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Affiliated with RACI

Royal Australian Chemical Institute
Royal Australian
Chemical Institute


 
 

Australian Journal of Chemistry - an International Journal for Chemical Science publishes research papers from all fields of chemical science, with a focus on multidisciplinary chemistry and emerging areas of research. More

Editor-in-Chief: Curt Wentrup

 
 
 

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Published online 21 October 2014
Cationic Charged Polymer Vesicles from Amphiphilic PEI-g-PSSA-g-PEI as Potential Gene Delivery Vehicles 
Liandong Feng, Xinyu Hu, Aming Xie, Hao Yu, Yangyang Liu, Jianfa Zhang and Wei Dong

Polymer vesicles have attracted extensive interest for a variety of biomedical applications. To our knowledge, few reports focus on polymer vesicles for gene delivery. A novel library of cationic polymer vesicles with tunable hydrophobicity is evaluated as efficient and low-cytotoxicity gene vectors.

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    | Supplementary Material (24 KB)
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Published online 21 October 2014
Solvatomorphism and Electronic Communication in FeIII N,N-Bis(salicylidene)-1,3-propanediamine Dimers 
Jitnapa Sirirak, David J. Harding, Phimphaka Harding, Lujia Liu and Shane G. Telfer

Two solvatomorphs of [(salpn)Fe(μ2-salpn)Fe(salpn)]·nMeOH (H2salpn = N,N′-bis(salicylidene)-1,3-propanediamine, n = 0.5MeOH (1) and MeOH (2)) are prepared. Structural analysis reveals different packing motifs in the structures resulting in an increased number of layers in 1. Electrochemical studies unexpectedly show weak electronic communication between the FeIII centres in these dimers.

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    | Supplementary Material (746 KB)
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Published online 21 October 2014
Ionic Liquid-Promoted Synthesis and Cholinesterase Inhibitory Activity of Highly Functionalized Spiropyrrolidines 
Raju Suresh Kumar, Abdulrahman I. Almansour, Natarajan Arumugam, Alireza Basiri, Yalda Kia and Raju Ranjith Kumar

A library of novel, highly functionalized spiropyrrolidines has been synthesized stereoselectively for the first time in ionic liquid medium employing [3+2] cycloaddition of a series of 2-arylmethylidene-5,6-dimethoxy-2,3-dihydro-1H-inden-1-ones with an unexplored azomethine ylide derived from acenaphthenequinone or isatin and tryptophan. These compounds were evaluated in vitro for their acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) inhibitory activities.

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    | Supplementary Material (1.6 MB)
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Published online 20 October 2014
Probing the Mode of Neurotransmitter Binding to GABA Receptors Using Selectively Fluorinated GABA Analogues 
Nathan Absalom, Izumi Yamamoto, David O'Hagan, Luke Hunter and Mary Chebib

Fluorinated analogues of GABA have been developed to probe the conformation of GABA that activates GABA receptors. We have benchmarked the pharmacology of these analogues with the crystal structure of GABA bound to the GABAB receptor to develop an accurate pharmacophore comparing neurotransmitter binding to individual GABA receptors.

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Published online 17 October 2014
Synthesis and Spectroscopic Properties of a Novel Bifunctional Pyrene Derivative and its Incorporation into OligoDNA 
Tomohisa Moriguchi, Satomi Hida, Fumio Yoneda and Kazuo Shinozuka

A novel bi-functional pyrene derivative bearing both a modifiable silyl function (electron-donating group) and cyano function (electron-withdrawing group) was synthesized as a new labelling agent for biological substances. The fluorescence quantum yield of the modified pyrene was significantly increased. The modified pyrene was also successfully incorporated into oligoDNA.

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    | Supplementary Material (266 KB)
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Published online 16 October 2014
Bromination of Pyrimidines: A Simple Inexpensive Method 
Thomas J. Delia and Robin J. Hood

The introduction of halogens into the pyrimidine ring usually involves either specialised reagents or very aggressive conditions. This communication paper describes the introduction of bromine into position 5 of the pyrimidine ring using common inorganic salts at room temperature. An evaluation of the substituents required for successful reaction is provided.

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    | Supplementary Material (88 KB)
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Published online 15 October 2014
Continuous Flow Synthesis of RAFT Block Copolymers 
Ivan Martinez-Botella

The synthesis of block copolymers using continuous flow in combination with the Reversible Addition–Fragmentation chain Transfer (RAFT) method has proven to be more efficient and less time-consuming than traditional batch processes. This paper reviews one of the first RAFT polymerizations and two of the latest articles reporting the synthesis of block copolymers using RAFT technology in continuous flow.

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Published online 15 October 2014
Design and Synthesis of Piperazine-Based Task-Specific Ionic Liquids for Liquid–Liquid Extraction of CuII, NiII, and CoII from Water 
Weiyuan Xu, Liang Wang, Jianying Huang, Gerui Ren, Dandan Xu and Haihe Tong

The novel task-specific ionic liquids (TSILs) introducing piperazine substructures were synthesized via a simple four-step process starting from available materials. TSILs can efficiently remove Cu2+, Ni2+, and Co2+ from water in mild acid solutions. The thermodynamics indicated that the extraction process was exothermic and spontaneous in nature.

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    | Supplementary Material (376 KB)
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Published online 14 October 2014
ZnII Complexes Based on Hybrid N-Pyrazole, N′-imine Ligands: Synthesis, X-Ray Crystal Structure, NMR Characterisation, and 3D Supramolecular Properties 
Miguel Guerrero, Lourdes Rivas, Teresa Calvet, Mercè Font-Bardia and Josefina Pons

We present new ligands N-[3-(3,5-dimethyl-1H-pyrazol-1-yl)propylidene]ethylamine (L1) and N-[3-(3,5-dimethyl-1H-pyrazol-1-yl)propylidene]propylamine (L2) and their reactivity towards ZnII. Complete characterisation of compounds [ZnCl2(L)] (L = L1 (1) and L2 (2)) by analytical and spectroscopic methods and the resolution of structures by single X-ray diffraction are presented. The three-dimensional supramolecular structure through different intra- and intermolecular contacts is also studied.

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Published online 14 October 2014
A Combined Computational–Experimental Study of the Kinetics of Intramolecular Diels–Alder Reactions in a Series of 1,3,8-Nonatrienes 
William J. Lording, Alan D. Payne, Tory N. Cayzer, Michael S. Sherburn and Michael N. Paddon-Row

Experimental activation enthalpies for a series of intramolecular Diels–Alder reactions are used to benchmark computed values and recommendations are made. Kinetic isotope effects measurements confirm the computational predictions that the process is concerted but asynchronous.

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    | Supplementary Material (1.3 MB)
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Published online 14 October 2014
Adventitiously Obtained Rare-Earth Peroxide Complexes and Their Structural Characterisation 
Glen B. Deacon, Craig M. Forsyth, Dominique Freckmann, Peter C. Junk, Kristina Konstas, Jenny Luu, Gerd Meyer and Daniel Werner

The structures of three adventitiously obtained peroxolanthanoid complexes have been determined, namely, [Yb2(Cp)4(μ-O)2/3(μ-O2)1/3(thf)2], [Nd2(o-PhPhForm)4(thf)4(μ-O2)] (o-PhPhForm = N,N′-bis(2-phenylphenylformamidinate), and [Eu4(FForm)6(μ-OH)23-O2)2(μ-diglyme)2]·2diglyme.

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Published online 14 October 2014
Synthesis and Structure of a Novel Substituted Benzothiazolyl-N-phenyl-2-pyridinecarbothioamide; Kinetics of Formation and Electrochemistry of Two of its Palladium Pincer Complexes 
Mark A.W. Lawrence, Yvette A. Jackson, Willem H. Mulder, Per Martin Björemark and Mikael Håkansson

The synthesis of bis-N-(2,5-dimethoxyphenyl)pyridine-2,6-dicarbothioamide, 6-(4,7-dimethoxy-2-benzothiazolyl)-N-(2,5-dimethoxyphenyl)-2-pyridinecarbothioamide, and the pincer palladium(ii) chloride, and acetate coordination compounds of the latter species are reported. The electrochemical properties, stability constants for the palladium complex formations, the kinetics of formation and the associated thermodynamic parameters are also presented, and the efficacy of the pincer system in the Suzuki–Miyaura cross-coupling reaction is explored.

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    | Supplementary Material (256 KB)
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Published online 10 October 2014
Hydrogen Bonding of O-Ethylxanthate Compounds and Neutron Structural Determination of C–H···S Interactions 
Lauren K. Macreadie, Alison J. Edwards, Anthony S. R. Chesman and David R. Turner

A range of ethylxanthate salts have been structurally characterised. The number of NH donor atoms affects greatly the dimensionality of the hydrogen-bonding networks. Laue neutron diffraction data are used to rationalise C–H···S hydrogen bonds.

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    | Supplementary Material (632 KB)
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Published online 08 October 2014
In Vitro Synergy Between Some Cationic Amphipathic Cyclooctapeptides and Antibiotics 
Maria Ngu-Schwemlein, Jenna Dumond, Lisa Rudd and Jean-Herbert Rigaud

The antimicrobial activities of some cationic amphipathic cyclooctapeptides in combination with select common antibiotics are evaluated. These cyclopeptides exhibited fast killing bactericidal activities. They showed enhanced antimicrobial activities in combination with tetracycline against S. aureus; a greater than 4-fold decrease in the minimum inhibition concentration was observed for some of these cyclopeptides.

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    | Supplementary Material (88 KB)
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Published online 07 October 2014
Fluorous 1,2,3-Triazol-4-ylmethyl Amines and Amine Derivatives for Novel Surfactant Applications 
Dominic V. Francis, Jason B. Harper and Roger W. Read

Mono- and bis(triazolylmethyl)amines and their derivatives have potential as functional surfactants. Building blocks have been prepared and strategies developed for the construction in good yields of a range of fluorous tertiary amine and amide derivatives with polyfluoroalkyl and oligoether substituents for enhanced surfactant activity.

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    | Supplementary Material (4.9 MB)
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Published online 06 October 2014
A Metal-Free and Ionic Liquid-Catalyzed Aerobic Oxidative Bromination in Water 
Jian Wang, Shu-Bin Chen, Shu-Guang Wang and Jing-Hua Li

A metal-free aerobic oxidative bromination of aromatic compounds in water has been developed.

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    | Supplementary Material (155 KB)
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Published online 06 October 2014
Structural Diversity and Fluorescence Regulation of Three ZnII Coordination Polymers Assembled from Mixed Ligands Tectons 
Ling-Yun Xin, Guang-Zhen Liu, Lu-Fang Ma, Xue Zhang and Li-Ya Wang

The mixed-ligand strategy involving 1,2-phenylenediacetic acid and various nitrogen-rich co-ligands produce three new Zn coordination polymers, which display a vast diversity of structures from two-dimensional (2D) stepwise grids, 2D double layers to three-dimensional (3D)→3D 4-fold interpenetrating diamondoid networks and various ligand-based fluorescence emissions.

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    | Supplementary Material (121 KB)
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Published online 06 October 2014
Structures and Photoluminescence Properties of Four Cadmium(ii) Coordination Polymers Synthesized by Rigid Ligands and N-Donor Ligands 
Qing-Guo Meng, Lin-Tong Wang, Ji-Tao Lu, Xin Wang, Wei Lu and Zi-Yu Song

Four metal–organic coordination polymers have been solvothermally synthesized and characterized based on rigid ligands and N-donor ligands.

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  ii) Coordination Polymers Synthesized by Rigid Ligands and N-Donor Ligands&title=Australian Journal of Chemistry&date=9999&volume=9999&spage=&epage=&aulast=Meng&aufirst=Qing-Guo" target="_blank" >  | Supplementary Material (189 KB)
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Published online 30 September 2014
Synthesis and Physical Properties of Hyperbranched Polymers Containing Twisted Acenes 
Xuemin Zhang, Hongtao Song, Jinchong Xiao, Tiejun Ren, Sujuan Wang, Zhenying Liu, Xinwu Ba and Yonggang Wu

Novel hyperbranched co-polymers HP1–HP4 with twisted acene units and truxene groups have been synthesised through Suzuki coupling reaction and characterised. The polymers show blue light emission in organic solvents and thin films, as well as high stability, which might be utilised as potential candidates for organic electronic materials.

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Published online 29 September 2014
An Exploration of Organocatalyst 1,4-Diazabicyclo[2.2.2]octane in the Direct Regioselective and Chemoselective γ-Addition of β-Keto Amide on Isatin to Afford Structurally Diverse Molecular Frameworks 
Pramod B. Thakur and Harshadas M. Meshram

DABCO promoted efficient protocol is described for the regioselective and chemoselective γ-addition of β-keto amides on isatins to afford γ-(3-hydroxy-2-oxindole)-β-keto amide framework under metal-free condition. The developed method is environmentally benign in nature and applicable for variety of isatins as well as β-keto amides to provide new 3-hydroxy-2-oxindoles from readily available starting materials.

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Published online 29 September 2014
Water Structure Change-Induced Expansion and Collapse of Zwitterionic Polymers Surface-Grafted onto Carbon Black 
Yiwen Pei, Jadranka Travas-Sejdic and David E. Williams

The expansion and collapse of surface-grafted zwitterionic polymer brushes in water caused by the addition of urea is demonstrated. We hypothesize that this is an effect of change in water structure causing change in solvation of the brushes and hence a change in the dipole–dipole interaction, and that it is analogous to the effects of urea on protein stability.

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    | Supplementary Material (98 KB)
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Published online 29 September 2014
Inhibitors of Galectins and Implications for Structure-Based Design of Galectin-Specific Therapeutics 
Helen Blanchard, Khuchtumur Bum-Erdene and Matthew W. Hugo

Galectins have significant roles in many diseases including cancer and consequently are important targets for drug development. Design of inhibitors that are effective in vivo and also those that can specifically target particular galectins remains a major challenge. This review highlights the current status of play in tackling the design of effective and selective galectin-therapeutics.

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Published online 23 September 2014
Magnetic and Electronic Properties of Three New Hetero-Bimetallic Coordination Frameworks [Ru2(O2CR)4][Au(CN)2] (R = Benzoic Acid, Furan-2-carboxylate, or Thiophen-2-carboxylate) 
Michael J. Murphy, Tony D. Keene, Jason R. Price, Deanna M. D'Alessandro and Cameron J. Kepert

Three new coordination frameworks, [Ru2(O2CR)4][Au(CN)2] (R = phenyl (1(Ph)), 2-furan (1(Furan)), and 2-thiophene (1(Thio)), are reported. Modulation of the one-dimensional chain structure, with resulting influence on the magnetic and electronic properties of these frameworks, has been achieved through systematic variation of the carboxylate ligands.

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    | Supplementary Material (775 KB)
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Published online 22 September 2014
Lanthanide-Based Polymers with Charged Ligand Backbones: Triple-Stranded Chain Structures and their DNA Cleavage Studies 
Ming Chen, Xiao-Yan Tang, Ming-Zhen Chen, Jin-Xiang Chen and Wen-Hua Chen

Four rare-earth metal complexes with one-dimensional chain structures are synthesised. All complexes can efficiently cleave DNA in the presence of H2O2, most probably via an oxidative cleavage mechanism. The high cleaving activities may be ascribed to the combinative effects of their polynuclear structures, trivalent lanthanide ions and quaternised moieties.

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Published online 22 September 2014
Regioselective Dye-Induced Photocleavage of Epoxides as an Alternative Mild Synthetic Route to a Targeted Alcohol Functionality 
Anthony A. Provatas, Gary A. Epling, James D. Stuart and Aliaksandr Yeudakimau

The regioselective cleavage of epoxides under visible light leading to ring opening and formation of the corresponding alcohol in excellent yields is reported in this study as an alternative mild synthetic approach.

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Published online 22 September 2014
Self-Assembly of an Octanuclear High-Spin FeII Molecular Cage 
Feng Li, Natasha F. Sciortino, Jack K. Clegg, Suzanne M. Neville and Cameron J. Kepert

The structure and magnetic properties of an octanuclear iron(ii)-containing cage material of the type [FeII8L12](BF4)16 is reported.

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    | Supplementary Material (242 KB)
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Published online 22 September 2014
Acridine Synthesis by the Reaction of 2-(Perfluoroalkyl)aniline with ortho-Alkyl-Substituted Aromatic Grignard Reagent: Mechanistic Studies 
Lucjan Strekowski, Jianguo Zhang, Jaroslaw Saczewski and Ewa Wolinska

The reaction of 2-(perfluoroethyl)aniline and its higher perfluoroalkyl analogues with an arylmagnesium bromide substituted with a methyl or ethyl group at the ortho position furnishes an acridine containing a shorter perfluoroalkyl group at the 9-position and devoid of the methyl or ethyl group of the Grignard reagent. Yields are in the range of 46–93 %.

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    | Supplementary Material (216 KB)
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Published online 22 September 2014
Chitosan–Zinc Oxide Nanoparticles Combined with Dispersive Liquid–Liquid Microextraction for the Determination of BTEX in Water Samples 
Mostafa Khajeh, Leyla Azarsa and Mansoureh Rakhshanipour

The effects of exposure to BTEX comprise change in the liver and harmful influences on the kidneys, lungs, heart and nervous system. A special attention is focussed on the methods that are characterized by a considerable reduction or complete elimination of organic solvents. Dispersive liquid-liquid microextraction method is simple, efficient and fast.

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Published online 18 September 2014
Application of the Variable Oxygen Probe to Determine the π-Electron Donor Ability of the Alkyne Group 
Benjamin L. Harris and Jonathan M. White

Variable oxygen probe analysis of the derivatives of propargyl alcohol provided evidence that the ethynyl substituent is a relatively weak π-electron donor, and is a slightly less effective donor than the C–C bond of an ethyl substituent.

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    | Supplementary Material (6.1 MB)
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Published online 18 September 2014
A Barium Vanadium(v) Selenite Hydrate, Ba(VO2)2(SeO3)2·H2O: A Novel 3D Polymer of Cross-Linked Sheets with Embedded ···V–O–V··· 21 Helices 
Kieryn L. Kilminster, Francis J. Lincoln, Brian W. Skelton and Allan H. White

The structural characterisation of a novel barium vanadium(v) selenite, Ba(VO2)2(SeO2)2·H2O, is recorded.

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  v) Selenite Hydrate, Ba(VO2)2(SeO3)2·H2O: A Novel 3D Polymer of Cross-Linked Sheets with Embedded ···V–O–V··· 21 Helices&title=Australian Journal of Chemistry&date=9999&volume=9999&spage=&epage=&aulast=Kilminster&aufirst=Kieryn L." target="_blank" >
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Published online 15 September 2014
Single-Crystal Neutron Diffraction Study of Superstructure Ordering and Domain Behaviour in Brownmillerite-Type Ca2Fe2O5 
Josie E. Auckett, Andrew J. Studer and Chris D. Ling

Monochromatic neutron diffraction data of a floating-zone grown crystal of Ca2Fe2O5 at 800°C showing incommensurate satellite reflections (highlighted by the white rectangle).

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Published online 15 September 2014
Dinuclear Lanthanide–Carboxylate Compounds: Field-Induced Slow Relaxation of Magnetization for Dysprosium(iii) Analogue 
Yi-Lei Li, Qing-Yan Liu, Cai-Ming Liu, Yu-Ling Wang and Ling Chen

Three chiral dinuclear lanthanide–carboxylate compounds with the chiral ligand of (S)-(+)-2-(6-methoxy-2-naphthyl)propionate have been synthesized and structurally and magnetically characterized. The Dy-based compound exhibits slow magnetization relaxation with an energy barrier of 17.24(2) K.

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  iii) Analogue&title=Australian Journal of Chemistry&date=9999&volume=9999&spage=NULL&epage=NULL&aulast=Li&aufirst=Yi-Lei" target="_blank" >  | Supplementary Material (200 KB)
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Published online 15 September 2014
Looking for Hydrogen Atoms: Neutron Crystallography Provides Novel Insights Into Protein Structure and Function 
Emily A. Golden and Alice Vrielink

The application of neutron crystallography to protein crystals has provided unique insight into protein structure and function such as in the study of low-barrier hydrogen bonds and protein–ligand interactions. In this review, we give an overview of neutron protein crystallography and highlight some of the recent advances in knowledge.

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Published online 15 September 2014
Discovery of Phosphodiesterase-4 Inhibitors: Serendipity and Rational Drug Design 
Susanne C. Feil, Jessica K. Holien, Craig J. Morton, Nancy C. Hancock, Philip E. Thompson and Michael W. Parker

Thiophene-based inhibitors are promising drugs to inhibit the catalytic activity of phosphodiesterase 4 (PDE4). Such drugs could find uses in the treatment of certain inflammatory and neurological diseases. Crystallography has played a key role in the development of PDE4 inhibitors.

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Published online 15 September 2014
Manganese(II) Oxazolidine Nitroxide Chelates: Structure, Magnetism, and Redox Properties 
Ian A. Gass, Mousa Asadi, David W. Lupton, Boujemaa Moubaraki, Alan M. Bond, Si-Xuan Guo and Keith S. Murray

The nitroxide radical complex [MnII(L)2](ClO4)2, where L = 4-dimethyl-2,2-di(2-pyridyl)oxazolidine N-oxide, displays antiferromagnetic exchange between the MnII S = 5/2 centre and the two ligand S = 1/2 centres, yielding an S = 3/2 spin ground state. The electrochemical properties are interpreted in terms of square reaction schemes involving metal and ligand redox processes.

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Published online 10 September 2014
Heterometallic Tetranuclear {Mn2IIILn2III}n 1D Coordination Polymers: Employing Sulfonate Ligands as Connecting Groups 
Stuart K. Langley, Boujemaa Moubaraki and Keith S. Murray

The structures and magnetism of a new family of 1D heterometallic complexes {Mn2IIILn2III}n (Ln = Pr, Nd, Gd, Tb, Dy) are described with the exchange parameters deduced for the Gd complex. Slow magnetisation reversal was noted for the Dy complex in the alternating current susceptibility data when measured in an applied direct current field.

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    | Supplementary Material (576 KB)
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Published online 08 September 2014
Structural Disorder and Classical Spin-Glass Behaviour in Ba3Fe2SbO9 
Josie E. Auckett, Wojciech Miiller, Maxim Avdeev, Justin A Kimpton and Chris D. Ling

A new 6H-type perovskite Ba3Fe2SbO9 has been synthesised. It has a partially disordered 6H-type perovskite structure which has been studied by synchrotron and neutron powder diffraction, and displays classical spin-glass behaviour as characterised by magnetic susceptibility, magnetisation, and heat capacity measurements.

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    | Supplementary Material (36 KB)
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Published online 04 September 2014
Graded IR Filters: Distinguishing Between Single and Multipoint NO2···I Halogen Bonded Supramolecular Synthons (P, Q, and R Synthons) 
Subhankar Saha, Somnath Ganguly and Gautam R. Desiraju

An IR method is provided that distinguishes between supramolecular synthons that have nitro•••iodo recognition, but differ in topological and geometrical attributes. The method is also able to identify systems that contain nitro and iodo functional groups, but lack a nitro•••iodo synthon.

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   | Supplementary Material (2.4 MB)  |        Open Access Article
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Published online 03 September 2014
Assembly of Layer-Type Organosilver(i) Complexes Incorporating Nitrate and Isomeric Halophenylethynide Ligands 
Ping-Shing Cheng, Sam C. K. Hau and Thomas C. W. Mak

Investigation of silver(i) nitrate complexes containing a halo-substituted phenyl nucleus bearing ethynyl substituents at variable positions provided detailed information on their coordination preferences, and the co-existence of silver(i)–ethynide and silver(i)–halogen interactions in the assembly of coordination networks, which are consolidated by argentophilic and weak intra- or inter-molecular interactions.

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  i) Complexes Incorporating Nitrate and Isomeric Halophenylethynide Ligands&title=Australian Journal of Chemistry&date=9999&volume=9999&spage=&epage=&aulast=Cheng&aufirst=Ping-Shing" target="_blank" >  | Supplementary Material (441 KB)
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Published online 03 September 2014
Small-Angle X-Ray Scattering for the Discerning Macromolecular Crystallographer 
Lachlan W. Casey, Alan E. Mark and Bostjan Kobe

The averaged nature of small-angle X-ray scattering (SAXS) data presents a significant risk of over-interpretation to the unwary practitioner. In this review, a series of recent examples are used to illustrate both the challenges for interpretation and a number of approaches through which these can be overcome.

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Published online 03 September 2014
Reactions of Methyl Ketones and (Hetero)arylcarboxamides with N,N-Dimethylacetamide Dimethyl Acetal. A Simple Metal-Free Synthesis of 2,4,6-Trisubstituted Pyridines 
Benjamin Prek, Uroš Grošelj, Marta Kasunič, Silvo Zupančič, Jurij Svete and Branko Stanovnik

Two metal-free syntheses of 2,4,6-trisubstituted pyridines prepared either from aryl or heteroaryl methyl ketones and N,N-dimethylacetamide dimethyl acetal (DMADMA) via enaminones, or from the corresponding carboxamides by treatment with an excess of DMADMA, are described.

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    | Supplementary Material (2.3 MB)
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Published online 02 September 2014
Two-Dimensional Coordination Polymers with Spin Crossover Functionality 
Natasha F. Sciortino and Suzanne M. Neville

Coordination polymers with embedded octahedral iron(ii) spin crossover sites are an important class of electronic switching material. This review focuses specifically on two-dimensional spin crossover polymers of the spin crossover framework (SCOF) and Hofmann-types.

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Published online 01 September 2014
Solvent Dependent Spin-State Behaviour via Hydrogen Bonding in Neutral FeII Diimine Complexes 
Kelsey A. Schulte, Stephanie R. Fiedler and Matthew P. Shores

To use spin-crossover as a reporter for chemical sensing, it is important to understand how the local environment influences the complex’s spin state. The FeII pyridyl–imidazoline complexes described here allow us to separately assess the effects of external hydrogen bond donors, acceptors, and the intrinsic ligand fields.

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    | Supplementary Material (857 KB)
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Published online 01 September 2014
Friedel–Crafts Chemistry. Part 43. A Convergent Construction of Some New Bridged Aza-Bicyclic Analogues of Azocine, Azonine, and Azecine via Friedel–Crafts Ring Closures 
Hassan A. K. Abd El-Aal, Ali A. Khalaf and Ahmed M. A. El-Khawaga

Expedient methods for the synthesis of hitherto unrecorded fused bridged azatetracyclic azocines, azonines, and azecines via Friedel–Crafts cyclialkylations and cycliacylations of suitable synthesized tertiary alcohols and carboxylic acids are described.

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Published online 01 September 2014
Determination of Trace Arsenic Content in Commercial Crispbread by Hydride Generation Inductively Coupled Plasma Optical Emission Spectrometry 
Maja Welna

This paper describes the selection, optimization, and application of sample treatment for the determination of total As in various crispbreads by hydride generation inductively coupled plasma optical emission spectrometry (HG–ICP–OES). A simple and dependable method, i.e. without the need of previous sample total acidic digestion was proposed.

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Published online 01 September 2014
Plasma-Fabricated Surface Plasmon Resonance Chip for Biosensing 
Ram P. Gandhiraman, Gowri Manickam, Laura Kerr, Chandra K. Dixit, Colin Doyle, David E. Williams and Stephen Daniels

Metal nanostructures encapsulated by plasma-polymerized aminosilane film for biomolecular detection using surface plasmon resonance.

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Published online 27 August 2014
Investigation of the Photodegradation of Reactive Blue 19 on P-25 Titanium Dioxide: Effect of Experimental Parameters 
Faridah Abu Bakar, Jan-Yves Ruzicka, Ida Nuramdhani, Bryce E. Williamson, Meike Holzenkaempfer and Vladimir B. Golovko

The use of reactive dyes has grown rapidly; however, ~20–50 % of these dyes are being discarded as coloured effluent. In this paper, systematic investigation of the effects of a wide range of reaction parameters on the catalytic photodegradation of the industrial dye Reactive Blue 19 (RB19) by titanium dioxide is reported.

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    | Supplementary Material (365 KB)
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Published online 26 August 2014
The Influence of Water and Metal Salt on the Transport and Structural Properties of 1-Octyl-3-methylimidazolium Chloride 
Nicolas Goujon, Nolene Byrne, Tiffany R. Walsh and Maria Forsyth

We show the influence that two metal salts, zinc chloride and magnesium chloride, have on the transport properties of the nanostructured 1-methyl-3-octylimidazolium chloride, OMImCl, at varying water concentrations. The impact the metal salts have on the transport properties is directly related to their water structuring or destructing capabilities.

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Published online 25 August 2014
Two CoII Compounds Showing Interesting Magnetic Properties Modulated by Supramolecular Interactions 
Xiao-Min Zhang, Li-Na Meng, Jian-Qiang Li, Xue-Feng Feng, Ming-Biao Luo and Feng Luo

Here two novel 3D frameworks are presented. Their magneto-structure is very similar; however, due to the distinct 2D structure and supramolecular interactions, different magnetic properties are observed in 1 and 2, such as spin-canting behaviour v. antiferromagnetic magnetic ordering.

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Published online 25 August 2014
2-Cyanobenzoic Acids: Tautomeric Equilibria Study 
Dacio Adhemar Iglesias, Danila Luján Ruiz and Patricia Ercilia Allegretti

The understanding of the nature of tautomeric equilibria is relevant to the study of processes of both organic chemistry and biochemistry. In the present work, a study of ring–chain tautomerism in 2-cyanobenzoic acids was carried out by means of mass spectrometry.

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    | Supplementary Material (506 KB)
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Published online 21 August 2014
Fluorovinyl Thioethers as Putative Steric and Electronic Thioester Enolate Mimetics: Chemoselective HF Addition to Acetylene Thioethers 
Davide Bello, Rodrigo A. Cormanich and David O'Hagan

Fluorovinyl thioethers are presented as a putative biomimetic surrogate for the enol/ate of a thioester. A method is explored for the preparation of fluorovinyl thioethers by treatment of acetylene thioethers with pyridinium (poly)-hydrogen fluoride. A fluorovinyl thioether representing the terminus of the pantothenoyl chain of acetyl-CoA is prepared as a relevant biomimetic example.

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    | Supplementary Material (1017 KB)
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Published online 21 August 2014
Protein Immobilization in Metal–Organic Frameworks by Covalent Binding 
Xuan Wang, Trevor A. Makal and Hong-Cai Zhou

Studies on biocatalysis in industry exploded during the last decade to solve the energy issue; however, the poor stability of enzymes hampers the development of this field. Recent investigations on enzyme immobilization on metal–organic frameworks show great potential to achieve a highly efficient catalytic system, where the covalent binding is of great significance.

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Published online 19 August 2014
Biosynthetic Incorporation of Fluorinated Amino Acids into Peptides and Proteins 
Samuel A. Fraser and Christopher J. Easton

Native and engineered protein biosynthetic machinery has been used to incorporate many fluorinated amino acids into peptides, conferring them with a diverse variety of interesting properties. This biochemical synthetic approach should routinely be assessed as an alternative to traditional solid- and solution-phase peptide synthesis.

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Published online 19 August 2014
RNA and RNA–Protein Complex Crystallography and its Challenges 
Janine K. Flores, James L. Walshe and Sandro F. Ataide

Novel biological functions for RNAs have led to a growing interest in RNA–protein interactions and their importance in cell regulation. However, obtaining large amounts of RNA for X-ray crystallographic studies has proved to be an ongoing challenge. Current advances in this field along with established techniques are explored in this review.

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Published online 18 August 2014
Synthesis, Structure, and Visible Phosphorescence Emission of Novel CuI Coordination Polymers Based on 4,4′-Bis(3-pyridyl)-2,2′-bis(hydroxylmethyl) Biphenyl 
Guo-Xia Jin, Jian-Ping Ma, Chuan-Zhi Sun and Yu-Bin Dong

New CuI coordination polymers emit strong orange and yellow–orange phosphorescence.

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    | Supplementary Material (1.3 MB)
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Published online 18 August 2014
Crystal ‘Unengineering’: Reducing the Crystallisability of Sulfolobus solfataricus Hjc 
Claire L. Middleton, Joanne L. Parker, Gavin J. Knott, Malcolm F. White and Charles S. Bond

The enzyme Hjc crystallised too readily, resulting in a poorly diffracting crystals. Mutagenesis was used to improve crystallisability, but had negative consequences for DNA binding activity.

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Published online 18 August 2014
Magnetic Studies of Metal Ion Coordination Clusters Encapsulated with Thiacalixarene 
Rebecca O. Fuller, Karen L. Livesey, Robert C. Woodward, Allan J. McKinley, Brian W. Skelton and George A. Koutsantonis

Three thiacalixarene (LH4) metal complexes, [Fe3O(L)2]·1.3CH2Cl2·2H2O·5C3H7NO (1), [Cu4(L)2]·1.5CH2Cl2·C3H7NO (2), and [(μ-H2O)Eu2(LH)2(C3H7NO)4]·2CH3CN·1.5C3H7NO (3) have been prepared for detailed magnetic studies. These complexes were found to exhibit interesting exchange coupling that is the direct result of the molecular features.

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    | Supplementary Material (544 KB)
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Published online 12 August 2014
Fluoropolymers: Origin, Production, and Industrial and Commercial Applications 
James Gardiner

Fluoropolymers have had a major industrial and commercial impact since their discovery almost 80 years ago. From development during the Manhattan project and the introduction of Teflon, to today’s modern polymers, these unique materials have found use in almost every area of society. This review summarises the history of fluoropolymers, their production, and modern day applications.

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Published online 12 August 2014
Membrane Protein Structures for Rational Antimicrobial Drug Design 
Patricia M. Walden, Roisin M. McMahon and Julia K. Archbold

Antibiotic resistance is a major global health threat. Bacteria have developed novel resistance mechanisms to many of the latest generations of antibiotics and there is an urgent need to develop new therapies to combat these infections. Here we review recent breakthroughs in bacterial membrane protein structural determination and their potential for the future rational design of novel antimicrobial therapies.

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Published online 11 August 2014
Construction of CuII Cluster-Based Magnetic Metal–Organic Framework Derived from a V-Shaped Aromatic Dicarboxylate Ligand 
Yong-Qiang Chen, Yuan Tian and Jun Li

A new three-dimensional Cu8-based magnetic metal–organic framework (MMOF) with a bcu topology net has been successfully obtained. Moreover, magnetic investigation of this complex suggests anti-ferromagnetic couplings between metal centres.

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    | Supplementary Material (392 KB)
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Published online 08 August 2014
Electrochemical and Photoelectrochemical Investigation of New Self-Assembled Films Based on Prussian Blue and a Terpyridyl RuII Complex 
Qiu-Ying Huang, Si-Yuan Kang, Hao Lin and Ke-Zhi Wang

A new hybrid multilayer film containing Prussian blue and a bis-terpyridyl RuII complex was uniformly fabricated, which exhibited a significant cathodic photocurrent density of 7.72 μA cm–2 for an 11-layer film, and three quasi-reversible redox couples associated with these two film-forming components.

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Published online 05 August 2014
A Facile Synthesis of Tris(indolyl)propanes by Concerted 1,2- and 1,4-Friedel-Crafts Attack of Indoles to α,β-Unsaturated Aldimines 
Manping Zhao, Xiuli Zhang, Chengxiang He, Pinaki S. Bhadury and Zhihua Sun

The Friedel-Crafts reaction of indoles with a wide range of α,β-unsaturated aldimines catalysed by binaphthyl phosphoric acid is demonstrated. The resulting tris(indolyl)propanes are presumably generated by a concerted 1,2- and 1,4-nucleophilic attack to the conjugated imines. According to the preliminary bioassay results, the compound 4e exhibits moderate activity against pancreatic cancer cells.

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    | Supplementary Material (1012 KB)
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Published online 05 August 2014
Crystallography and New Medicines: Examples from Influenza and Cell Death 
Peter M. Colman

Influenza virus neuraminidase inhibitors are an early example of the role of crystallography in the discovery of new medicines.

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Published online 04 August 2014
Nanoscale Order in Molecular Systems from Single Crystal Diffuse Scattering 
Darren J. Goossens and T. Richard Welberry

In crystallography, diffuse scattering contains a wealth of information about the local order in crystalline materials. At one extreme a very simplified model may demonstrate particular qualitative effects, while at the other a quantitative and very detailed description of disordered structures can be obtained. Examples discussed include the local anaesthetic, benzocaine, and new results concerning p-chloro-N-(p-chloro- benzylidene)aniline.

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Published online 01 August 2014
The Relevance of Structural Biology in Studying Molecules Involved in Parasite–Host Interactions: Potential for Designing New Interventions 
Lyndel Mason, Parisa Amani, Megan Cross, Joshua Baker, Ulla-Maja Bailey, Malcolm K. Jones, Robin B. Gasser and Andreas Hofmann

Individual members of pathogen protein families with conserved three-dimensional topologies often show high levels of specialisation, which is achieved through grafting particular structural features onto the shared overall fold. Such instances exemplify the need for experimental three-dimensional structures provided by protein crystallography, which remain an essential component of this area of research.

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Published online 23 July 2014
What's in a Name? Moving Towards a Limited Vocabulary for Macromolecular Crystallisation 
Janet Newman, Thomas S. Peat and G. Paul Savage

Large amounts of minable data should be available from the millions of protein crystallisation experiments that are set up each year. In order to get to this knowledge we need to impose standards for how these experiments are recorded.

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    | Supplementary Material (53 KB)
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Published online 21 July 2014
Oxyhalogen–Sulfur Chemistry: Kinetics and Mechanism of Oxidation of Tiopronin by Acidified Bromate and Aqueous Bromine 
Wilbes Mbiya, Risikat Adigun, Thai Tran, Yadana Htwe and Reuben H. Simoyi

Biologically active compounds containing a thiol group are oxidatively bioactivated in physiological environment. This study involves the putative mechanism of oxidative bioactivation of tiopronin. Tiopronin, N-2-(mercaptopropionyl)glycine (MPG), is a glycine derivative with a thiol group that has properties similar to those of penicillamine, one of the flagship antibiotics.

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Published online 18 July 2014
Cooperative Conformational Regulation in N-Heterocyclic Fluorohydrins 
Alpesh Ramanlal Patel and Fei Liu

The conformation control of flexible seven-membered N-heterocycle ring structures is important for their bioactivity. Fluorine substitution in the appropriate relative configuration significantly reduces conformational disorder in highly substituted azepanes.

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    | Supplementary Material (16.8 MB)
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Published online 15 July 2014
Magnetic Exchange Effects in {CrIII2DyIII2} Single Molecule Magnets Containing Alcoholamine Ligands 
Stuart K. Langley, Daniel P. Wielechowski, Boujemaa Moubaraki, Brendan F. Abrahams and Keith S. Murray

The detailed structural and magnetic properties of a family of {CrIII2DyIII2}–alcoholamine cluster complexes reveal single molecule magnetism properties with strongly coercive hysteresis loops at temperatures up to 3.5 K, the strong intra-cluster magnetic exchange being responsible for these features.

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    | Supplementary Material (2.3 MB)
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Published online 14 July 2014
A Novel Approach to the Functionalisation of Pristine Carbon Fibre Using Azomethine 1,3-Dipolar Cycloaddition 
Linden Servinis, Thomas R. Gengenbach, Mickey G. Huson, Luke C. Henderson and Bronwyn L. Fox

The use of reactive azomethine ylides, generated in situ, as a methodology to graft organic molecules onto the surface of unsized carbon fibre is presented. It was found that compounds bearing a pendant amine demonstrated enhanced fibre-to-matrix adhesion using the single-fibre fragmentation test in addition to samples showing transverse cracking within the epoxy matrix.

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    | Supplementary Material (833 KB)
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Published online 09 July 2014
Aerosol-Assisted Chemical Vapour Deposition for Iron Selenide Thin Films from Single Source Ferrocene-Incorporated Selenourea Precursor in the Presence of Surfactants 
Raja Azadar Hussain, Amin Badshah, Farida Yasmin, Malik Dilshad Khan and Muhammad Nawaz Tahir

This article presents the synthesis and characterisation of a single source molecular precursor 1-(2-fluorolbenzoyl)-3-(3-ferrocenylphenyl)selenourea. This precursor has been used for the fabrication of FeSe thin films by aerosol-assisted chemical vapour deposition in the presence of different concentrations of two different surfactants (triton and span).

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    | Supplementary Material (454 KB)
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Published online 08 July 2014
Polyoxometalate-Supported Lanthanoid Single-Molecule Magnets 
Michele Vonci and Colette Boskovic

Lanthanoid-based single-molecule magnets (Ln-SMMs) hold clear promise for the achievement of large energy barriers to magnetisation reversal. The structural and electronic versatility of polyoxometalates renders them a useful class of supporting ligands for Ln-SMMs. This review discusses Ln-SMMs with polyoxometalate ligands, focusing on structure, magnetic properties, and magnetostructural correlations.

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Published online 03 July 2014
MnII-Doped ZnS Quantum Dots Modified with Tiopronin for Mercury(II) Detection 
Xin Liu, Xun-Shou Zhan, Fang-Ying Wu and Li-Hua Ma

A simple, low-cost, and rapid fluorescent detection of aqueous mercuric ions based on MnII-doped ZnS quantum dots modified with tiopronin is described. The detection limit of the introduced assay (8.9 nM) is lower than the concentration of 30 nM recommended by the World Health Organization (WHO) for inorganic mercury in drinking water.

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    | Supplementary Material (171 KB)
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Published online 27 June 2014
The H.G. Smith Award Article: Fluorescent Analogues of NAMI-A: Synthesis, Characterisation, Fluorescent Properties, and Preliminary Biological Studies in Human Lung Cancer Cells 
Sumy Antony, Jonathan C. Morris, Toby D. M. Bell, Tracey Brown, Leone Spiccia and Hugh H. Harris

Ruthenium anticancer drugs, such as NAMI-A and KP1019, show promise in the clinic despite limited understanding of how they work. We have developed a synthetic strategy to tag the imidazole of NAMI-A with fluorescent or other functionalities, which may lead to an improved understanding of the modes of action of this class of drug.

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    | Supplementary Material (579 KB)
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Published online 26 June 2014
Thermal Spin Crossover Behaviour of Two-Dimensional Hofmann-Type Coordination Polymers Incorporating Photoactive Ligands 
Florence Ragon, Korcan Yaksi, Natasha F. Sciortino, Guillaume Chastanet, Jean-François Létard, Deanna M. D'Alessandro, Cameron J. Kepert and Suzanne M. Neville

A family of 2D Hofmann-type polymeric materials containing the photoactive ligands 3- and 4-phenylazo-pyridine are presented. They each show thermal and light-induced spin crossover behaviours.

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    | Supplementary Material (414 KB)
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Published online 25 June 2014
Trichloroisocyanuric Acid/Triphenylphosphine-Mediated Synthesis of Benzimidazoles, Benzoxazoles, and Benzothiazoles 
Soodabeh Rezazadeh, Batool Akhlaghinia and Nasrin Razavi

A new and efficient method for preparation of benzimidazoles, benzoxazoles, and benzothiazoles from reactions of different carboxylic acids with o-phenylenediamine, o-aminophenol, and o-aminothiophenol in the presence of triphenylphosphine/trichloroisocyanuric acid system is presented. The remarkable advantages are the inexpensive and readily available reagent, simple procedure, mild conditions, and good-to-excellent yields.

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    | Supplementary Material (14.9 MB)
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Published online 24 June 2014
Microwave-Assisted Synthesis of Ruthenium(II) Complexes with Trimethylsilylacetylene as Inhibitors against the Migration of Breast Cancer Cells 
Zhao Zhang, Ya-Jun Wang, Qiong Wu, Xiao-Hui Wu, Fu-Qiang Sun, Bao-Guo Wang, Wen-Jie Mei and Si-Dong Chen

Two novel chiral ruthenium(ii) complexes with TMSA were synthesised by Songogashira coupling reaction under microwave irradiation, and can distribute and enrich in the nucleus of cancer cells and inhibit the migration of MDA-MB-231 cells.

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    | Supplementary Material (218 KB)
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Published online 23 June 2014
Characterization and Acidic Properties of AlMCM-41 Prepared by Conventional and Post-Synthesis Alumination 
Maria J. F. Costa, Thiago Chellappa, Antonio S. Araujo, Viviane M. Fonseca, Valter J. Fernandes, Rubens M. Nascimento and José G. A. Pacheco

The acidic properties of MCM-41 hexagonally ordered mesoporous silica were created by an isomorphous substitution of Si by a trivalent cation Al3+, generating catalysts of the AlMCM-41 type prepared by conventional and post-synthesis alumination.

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Published online 18 June 2014
Metal Ion-Driven Assembly of Two New Coordination Polymers Constructed by Asymmetric Tricarboxylate and Imidazole-Containing Ligands: Syntheses, Crystal Structures, and Luminescent Properties 
Wenlong Liu, Xueying Wang, Mengqiang Wu and Bing Wang

Two new coordination polymers have been obtained under hydrothermal conditions based on asymmetrical carboxylate ligands. It is shown that the asymmetrically tricarboxylate can bear diverse structures regulated by metal ions.

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    | Supplementary Material (77 KB)
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Published online 18 June 2014
Enzymatic Synthesis of p-Cresol Oligomers and Evaluation of their Free Radical Scavenging Activity 
Lei Zhang, Ling-Yan Jiang, Ke Zheng, Hua Duan, Min Li and Yuan-Chen Cui

An environmentally benign aqueous micelle system was successfully used as reaction medium to perform enzymatic polymerization of p-cresol. The structure of the resulting p-cresol oligomers is similar to that of polyphenolic compounds in natural plants. p-Cresol oligomers show good free radical scavenging activity and good prospects as novel antioxidant.

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    | Supplementary Material (104 KB)
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Published online 12 June 2014
Synergistic Antibacterial Activity of Nanohybrid Materials ZnO–Ag and ZnO–Au: Synthesis, Characterization, and Comparative Analysis of Undoped and Doped ZnO Nanoparticles 
Adriana Berenice Pérez Jiménez, Carlos Alberto Huerta Aguilar, Jorge Manuel Vázquez Ramos and Pandiyan Thangarasu

Because ZnO and Ag nanoparticles (NPs) effectively inhibit foodborne pathogens, both metals are expected to produce a more effective inhibitor as a result of hybrid properties. It has been reported that Ag-doped ZnO NPs and ZnO NPs do not show much difference in antibacterial activities, but show an increase in bacterial inhibition. To explain why doping of Ag NPs, unlike Au NPs, in ZnO NPs influences the antibacterial activities, ZnO, ZnO–Ag, and ZnO–Au NPs were synthesized.

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Published online 12 June 2014
Steric Trapping of the High Spin State in FeIII Quinolylsalicylaldimine Complexes 
Darunee Sertphon, David J. Harding, Phimphaka Harding, Keith S. Murray, Boujemaa Moubaraki and Harry Adams

A novel ligand, N-(8-quinolyl)-5-tert-butylsalicylaldimine (Hqsal-5-tBu) is prepared and a series of FeIII complexes, [FeIII(qsal-5-tBu)2]+ studied. Strong structural distortions caused by the ligand result in the complexes becoming trapped in the high spin state.

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    | Supplementary Material (615 KB)
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Published online 06 June 2014
Functionalisation of Imidazolin-2-imine to Corresponding Phosphinamine, Chalcogenide (O, S, Se, Te), and Borane Compounds 
Kishor Naktode, Sayak Das Gupta, Abhinanda Kundu, Salil K. Jana, Hari Pada Nayek, Bhabani S. Mallik and Tarun K. Panda

Imidazolin-2-imine was functionalised at the imine end by to synthesise imidazolin-2-ylidine-1,1-diphenylphosphinamine (2) and it was treated further with elemental sulfur, selenium, and tellurium to afford the corresponding chalcogenide derivatives.

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    | Supplementary Material (277 KB)
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Published online 06 June 2014
[18F]Fluorination Optimisation and the Fully Automated Production of [18F]MEL050 Using a Microfluidic System 
Lidia Matesic, Annukka Kallinen, Naomi A. Wyatt, Tien Q. Pham, Ivan Greguric and Giancarlo Pascali

The [18F]radiolabelling optimisation of [18F]MEL050 was performed using a microfluidic system. The radiochemical production was then fully automated and performed on a larger scale, in quantities sufficient for preclinical studies.

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    | Supplementary Material (101 KB)
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Published online 04 June 2014
Synthesis and Photoreaction of 2-Amino-3-cyano-4-aryl-4H-pyrans 
Wuji Sun, Yangye Jiang, Hong Yan and Xiuqing Song

A series of 2-amino-3-cyano-4-aryl-4H-pyrans were synthesised by reacting malononitrile, ethyl acetoacetate and aromatic aldehydes under ultrasound irradiation. The photoreaction of 2-amino-3-cyano-4-aryl-4H-pyrans were tested in conventional solvents to generate the 1,3-butadienes under irradiation with UV light. The 1,3-butadiene structures were determined by 1H and 13C NMR spectra, high-resolution mass spectrometry, and single crystal X-ray diffraction analysis.

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    | Supplementary Material (1.1 MB)
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Published online 02 June 2014
Dawson-type Polyoxometalate Covalently Linked to Naphthalene: Synthesis, Characterisation and Material Properties 
Jing Ni, Zhou Zhou, Li Liu, Shi-Zhong Liu, Fa-Bao Li, Guang-Hua Li and Zu-Liang Du

A novel covalently linked organic–polyoxometalate hybrid compound was prepared and characterised. It displayed interesting electrical conductivity behaviours, photovoltage response, and photocatalytic activity.

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Published online 26 May 2014
Synthesis of Steroid–Porphyrin Conjugates from Oestradiol, Oestrone, and Lithocholic Acid 
Fargol Taba, Tze Han Sum, Paul J. Sintic, Ann H. Lundmark and Maxwell J. Crossley

Four different construction motifs of porphyrin-steroid conjugates are explored and shown in a composite depiction on a porphyrin divided into quadrants.

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    | Supplementary Material (12.1 MB)
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Published online 26 May 2014
Effect of Modifying the Anion of an Ionic Liquid on the Outcome of an SN2 Process 
Sinead T. Keaveney, Dominic V. Francis, Winnie Cao, Ronald S. Haines and Jason B. Harper

A general ionic liquid effect is observed for the substitution reaction shown above for ionic liquids containing different anions, including [N(CF3SO2)2], [PF6], and [BF4]. In all cases, an increase in rate constant is seen relative to acetonitrile though the microscopic origin of these changes differs with the anion used.

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    | Supplementary Material (158 KB)
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Published online 23 May 2014
A Highly Selective and Sensitive Chemosensor for Colorimetric and Fluorescent Detection of Al3+ and Living Cell Imaging 
Xiao-Bo Li, Jia-Yi Chen and En-Ju Wang

The colorimetric and fluorescent dual chemosensor, (E)-N'-((2-hydroxynaphthalen-1-yl)methylene)nicotinohydrazide (HNN), exhibits a specific response to Al3+.

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    | Supplementary Material (295 KB)
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Published online 22 May 2014
Bioisosteric Fluorine in the Clandestine Design of Synthetic Cannabinoids 
Shane M. Wilkinson, Samuel D. Banister and Michael Kassiou

Over the past decade, a plethora of indole-based synthetic cannabinoids (SCs) have emerged with structures inspired by scientific literature. The latest generation of SCs frequently use bioisosteric fluorine-for-hydrogen replacement. This highlight explores the evolution of SCs to this latest generation of fluorinated SCs, where accumulating evidence indicates increased health concerns.

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Published online 21 May 2014
Investigation of cis- and trans-4-Fluoroprolines as Enantioselective Catalysts in a Variety of Organic Transformations 
Daryl Q. J. Yap, Raju Cheerlavancha, Renecia Lowe, Siyao Wang and Luke Hunter

Cis- and trans-4-fluoroprolines are investigated as catalysts in five different organic transformations. Significant differences in enantioselectivity are observed between the two fluorinated catalysts, confirming that the ring pucker is important.

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    | Supplementary Material (1.8 MB)
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Published online 19 May 2014
Synthesis, Photo-physical and Electrochemical Properties of Dendrimers with (S)-BINOL Core and Benzothiazole Surface Unit 
Venkatesan Kalpana, Kannan Rajavelu and Perumal Rajakumar

Chiral dendritic architectures with benzothiazole as surface group, 1,2,3-triazole as bridging unit, and (S)-BINOL as core unit were synthesised in good yields via a convergent synthetic strategy. All the dendrimers showed excellent optical and electrochemical response and hence would find application in dye sensitised solar cells.

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    | Supplementary Material (2.7 MB)
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Published online 15 May 2014
Trifluoromethylphenylcarbenes. Carbene-Carbene Interconversion on the Singlet Energy Surface and Rearrangement to Trifluorobenzocyclobutene, Trifluorostyrene, and Trifluoromethylfulvenallenes 
Rodney J. Blanch and Curt Wentrup

The four isomeric α-, ortho-, meta-, and para-trifluoromethylphenylcarbenes interconvert thermally and in part photochemically. Electron spin resonance investigations indicate that carbene-carbene rearrangement takes place on the singlet energy surface and is competitive with intersystem crossing to the triplet state. Flash vacuum thermolysis of the α-trifluoromethylphenylcarbene results in rearrangement to trifluorobenzocyclobutene and trifluorostyrene.

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    | Supplementary Material (4.4 MB)
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Published online 15 May 2014
Three ZnII Coordination Polymers Based on 1,2-Naphthalenedicarboxylate and Different 4,4′-Bipyridyl-like Bridging Co-ligands: Structural Regulation and Properties 
Min Chen, Zhuo-Wei Wang, Hui Zhao and Chun-Sen Liu

The construction of three luminescent ZnII coordination polymers has been successfully achieved based on 1,2-naphthalenedicarboxylate, and their diverse supramolecular structures can be well regulated by incorporating different auxiliary N-donor co-ligands.

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    | Supplementary Material (114 KB)
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Published online 08 May 2014
Colorimetric Assay for Al3+ Based on Alizarin Red S-functionalized Silver Nanoparticles 
Xin Liu, Fang-Ying Wu and Li-Hua Ma

A simply selective colorimetric assay for Al3+ based on the aggregation of silver nanoparticles functionalized with Alizarin Red S has been developed.

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    | Supplementary Material (176 KB)
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Published online 08 May 2014
Novel Synthesis, Molecular Structure, and Theoretical Studies of Dispiro Compounds via Pseudo-eight-component Reaction 
Nourallah Hazeri, Mojtaba Lashkari, Santiago García-Granda and Laura Torre-Fernández

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Published online 08 May 2014
Can Lignin Wastes Originating From Cellulosic Ethanol Biorefineries Act as Radical Scavenging Agents? 
Caroline Vanderghem, Nicolas Jacquet and Aurore Richel

Lignins from second-generation biorefinery

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Published online 07 May 2014
Evaluation of Antiradical Activity and Reducing Capacity of Synthesised Bispyridinium Dibromides Obtained by Quaternisation of 4-Pyridyl-1,4-dihydropyridines with Propargyl Bromide 
Martins Rucins, Marina Gosteva, Sergey Belyakov, Arkadij Sobolev, Karlis Pajuste, Mara Plotniece, Brigita Cekavicus, Dace Tirzite and Aiva Plotniece

New bispyridinium dibromides on a 1,4-dihydropyridine (1,4-DHP) core were synthesised in the reaction between propargyl bromide and 4-pyridyl-1,4-DHP derivatives with variation of electronic nature of the 1,4-DHP cycle. The antiradical activity and reducing capacity of the newly synthesised compounds have been evaluated.

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Published online 01 May 2014
Characterisation of Nanostructured Co3O4 Synthesised by the Thermal Decomposition of an Inorganic Precursor 
K. Kalpanadevi, C. R. Sinduja and R. Manimekalai

Nanocrystalline Co3O4 has been synthesised from the inorganic precursor Co(cinnamate)2(N2H4)2 via the thermal decomposition route. Using appropriate annealing conditions, the precursor yielded cobalt oxide nanoparticles of average size ~11 nm. The nanoparticles were characterised for their size and structure using X-ray diffraction, high-resolution transmission electron microscopic, selected area electron diffraction and scanning electron microscopic techniques.

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Published online 01 May 2014
Synthesis of Flame-retardant Phosphaphenanthrene Derivatives with High Phosphorus Contents 
Jinyun Zheng, Yujian Yu, Lulu Zhang, Xiaomin Zhen and Yufen Zhao

Two novel types of high-density phosphorus DOPO derivatives were designed, synthesised, and characterised. The compounds were used as flame retardant additives in Li-ion batteries for the first time. The high-density phosphorus DOPO compounds have good thermal stability, high char yields, and effective flame retardant properties.

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    | Supplementary Material (549 KB)
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Published online 22 April 2014
Synthesis, Structures, and Properties of Four Novel HgII Complexes Based on Pyridine Acylamide Ligands 
Xiao-Min Zhang, Xue-Feng Feng, Jian-Qiang Li and Feng Luo

We present here four novel HgII complexes. 1 and 2 are supramolecular isomers, which have one-dimensional (1D) helical chain or 1D meso-helical chain, respectively. Complex 3 shows a novel Z-shaped zero-dimensional structure. In complex 4, flexible L3 ligands link HgI2 units to construct a 1D helical chain.

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Published online 15 April 2014
A Series of Enthalpy/Entropy-Driven Reversible Dissolution/Reorganization Equilibriums in the System of Cu(NO3)2–HL–GdX3–H2O (HL=5-methylpyrazine-2-carboxylic acid; X=Cl, Br, NO3, ClO4) 
Sheng Zhang, Qi Yang, Xiangyu Liu, Gang Xie, Qing Wei, Sanping Chen and Shengli Gao

It is important for the directional design and preparation of molecule-based functional materials to explore the self-assembly behaviour of reaction components. In the present research, it is reported that a series of reversible dissolution/reorganization equilibriums between the initial reactant with the final products 15 occur in aqueous systems, which were determined to be enthalpy/entropy driven chemical equilibriums by single crystal X-ray diffraction and microcalorimetry.

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    | Supplementary Material (542 KB)
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Published online 10 April 2014
Solvent-free Synthesis of Novel Benzothiazole-substituted 4-Thiazolidinones Using Nano Silica-bonded 5-n-Propyl-octahydro-pyrimido[1,2-a]azepinium Chloride as Catalyst 
Robabeh Baharfar and Narges Shariati

Benzothiazole and thiazolidinone derivatives are interesting compounds in the area of medicinal chemistry. In this paper, a series of novel benzothiazole-substituted 4-thiazolidinones were synthesised by the one-pot reaction of rhodanine-3-acetic acid derivatives, 2-aminothiophenol, and triphenylphosphite using nano silica-bonded 5-n-propyl-octahydro-pyrimido[1,2-a]azepinium chloride as heterogeneous reusable nanocatalyst under solvent-free conditions in high yields.

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    | Supplementary Material (4.7 MB)
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Published online 02 April 2014
Organic Molecular Crystals: From Non-Porous Structure to Potential Porous Structure Controlled by Reaction Temperature 
Xiao-Liu Wu, Ming-Biao Luo, Jian-Qiang Li, Yan Zhu and Feng Luo

This paper describes two novel organic crystals showing non-porous and microporous structures, the formation of which can be precisely controlled by varying the reaction temperature.

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Published online 24 March 2014
Design of Ionic Liquid-Derived Polyelectrolyte Gels Toward Reversible Water Absorption/Desorption System Driven by Small Temperature Change 
Yuki Deguchi, Yuki Kohno and Hiroyuki Ohno

Ionic liquid-derived polyelectrolyte gels with moderate hydrophobicity undergo a lower critical solution temperature-type dehydration behaviour.

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    | Supplementary Material (434 KB)
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blank image Australian Journal of Chemistry
Volume 67 Number 10 2014
RESEARCH FRONT: 4th Molecular Materials Meeting (M3) @ Singapore
Also Featuring RACI Award papers

 
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Table of Contents 
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The 4th Molecular Materials Meeting (M3) @ Singapore 
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Yun Zong and T. S. Andy Hor
pp. 1365-1369

This foreword introduces some selected papers presented at the 4th Molecular Materials Meeting in Singapore (M3@Singapore) from 14 to 16 January 2014 that was organized by the Institute of Materials Research and Engineering (IMRE) of A*STAR, Singapore. The conference brought together leading researchers in the disciplines of chemistry, materials science, physics, biology, medicine, and engineering to discuss advances in molecular materials and cultivate cross-disciplinary research.

 
 

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The Rise of Elemental Two-Dimensional Materials Beyond Graphene 
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Guy Le Lay , Eric Salomon , Paola De Padova , Jean-Marc Layet and Thierry Angot
pp. 1370-1372

This paper sheds light on a new class of two-dimensional materials beyond graphene: silicene, germanene, and stanene.

 
  
 

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Biosynthesis of Flavour-Active Esters via Lipase-Mediated Reactions and Mechanisms 
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Jingcan Sun , Liang Wei Wilson Lee and Shao Quan Liu
pp. 1373-1381

This short review highlights recent understanding of the lipase-catalyzed synthesis of flavour-active esters in various systems, including solvent-free, organic solvents, ionic fluids, supercritical fluids, and aqueous media. Mechanisms of reaction are also covered including esterification and transesterification. The biocatalytic synthesis of aroma compounds via enzymatic methods is becoming an integral part of green chemistry.

 
  
 

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Fluorogenic Quantification of Albumin 
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Michelle Low , Khin Yin Win , Enyi Ye , Shuhua Liu , Soon Huat Ng , Xiaoqun Zhou and Ming-Yong Han
pp. 1382-1386

Non-fluorescent fluorescamine reacts with primary amines to form highly fluorescent products, affording simple, fast, and sensitive quantification of albumin. Chemical reactions of non-fluorescent (A) fluorescamine, (B) 2-methoxy-2,4-diphenyl-3(2H)-furanone, and (C) o-phthaldialdehyde with primary amines form various fluorophores. (D) Highly fluorescent product can be observed under a UV lamp.

 
  
 

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Magnetic Pd/Fe3O4 Composite: Synthesis, Structure, and Catalytic Activity 
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Shi-Qiang Bai , Lu Jiang , Sheng-Li Huang , Ming Lin , Shuang-Yuan Zhang , Ming-Yong Han , Jianwei Xu , Yixin Lu , Guo-Xin Jin and T. S. Andy Hor
pp. 1387-1390

Nanocomposite Pd/Fe3O4 has been prepared via a coordination-driven approach, and shows efficient catalytic activity towards the reduction reaction of 4-nitrophenol to 4-aminophenol.

 
  
 

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A Three-Component 1D/2D → 2D Interpenetrated Coordination Network: Structure and Gas Adsorption Studies 
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Jin-Xiang Chen , Ni-Ni Ding , Ming Chen , Wen-Hua Chen , David J. Young , Wen-Hua Zhang and T. S. Andy Hor
pp. 1391-1395

We herein report a Cd-based coordination polymer containing three integrated polymeric components: two neutral and entangled two-dimensional (6,3) nets and one zwitterionic one-dimensional chain with corner-sharing grids propagating along the c-direction to lock the consecutive ligand struts of the (6,3) nets. This coordination polymer is porous to selectively adsorb CO2.

 
    | Supplementary Material (250 KB)
 

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Rheological Properties and Salt Resistance of a Hydrophobically Associating Polyacrylamide 
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Quanhua Deng , Haiping Li , Ying Li , Xulong Cao , Yong Yang and Xinwang Song
pp. 1396-1402

Rheological properties of a hydrophobically associating polyacrylamide that exhibited stronger salt resistance compared with partially hydrolyzed polyacrylamide and the corresponding salt resistance mechanism was investigated in detail.

 
    | Supplementary Material (537 KB)
 

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Formation of Core–Shell Structures in Emulsion Electrospun Fibres: A Comparative Study 
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Chong Wang and Min Wang
pp. 1403-1413

Assuming the surfactant can affect the formation of the core–shell structure of emulsion-electrospun fibres, two surfactants, Span 80 and SDS, were used separately in PLGA emulsions for electrospinning. Fibre samples collected along the fibre trajectory during emulsion electrospinning were studied and the respective fibre structural evolution processes are proposed.

 
  
 

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Nanoporous Platinum Electrodes as Substrates for Metal Oxide-Supported Noble Metal Electrocatalytic Nanoparticles: Synergistic Effects During Electrooxidation of Ethanol 
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Iwona A. Rutkowska , Margaretta D. Koster , Gary J. Blanchard and Pawel J. Kulesza
pp. 1414-1421

Immobilization of WO3- or TiO2-supported PtRu nanoparticles onto the nanoporous platinized substrates leads to the formation of multifunctional electrocatalytic systems reactive towards oxidation of ethanol at fairly low potentials (<0.4 V vs RHE). Among the important issues are the presence of –OH groups at metal nanostructures, including oxidative removal of –CO adsorbates.

 
  
 

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Photoluminescence from Chitosan for Bio-Imaging 
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Xiaoyong Pan , Wei Ren , Liuqun Gu , Guan Wang and Ye Liu
pp. 1422-1426

Chitosan is fluorescent for bio-imaging with low cytotoxicity due to the reaction with carbon dioxide. This paper investigates the photoluminescent behaviours of chitosan. Photoluminescence can be observed from aqueous solution of chitosan, and CO2 treatment can improve the intensity of photoluminescence.

 
    | Supplementary Material (211 KB)
 

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Micropatterned Arrays of ZnSe Nanospheres as Antireflection Coatings 
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S. Sasi Florence , Priyanka Sachan , Raju Kumar Gupta , Rita John and Umadevi Mahalingam
pp. 1427-1433

The micro-arrays of ZnSe nanospheres on a self-assembled sacrificial polystyrene mask showed excellent structural, morphological, and optical properties and demonstrated its usage in photovoltaic devices as an improved superior antireflective coating, with the reflectance decreased to nearly half of that of the ZnSe nanospheres fabricated on Au- and SU-8-coated Si substrates in the range of 300–800 nm.

 
  
 

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A Simple Paper-Based Lab-on-a-Chip for the Detection of a Highly Pathogenic Strain of Porcine Reproductive and Respiratory Syndrome Virus 
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Piyasak Chaumpluk and Annop Suriyasomboon
pp. 1434-1440

Paper-based laboratory-on-a-chip has become a focusing issue for point of care test. So far, several platforms had been demonstrated, but are limited to chemical tests. The chip here combined reverse transcription loop-mediated isothermal DNA amplification (RT-LAMP) and colorimetric DNA detection, allowing effective assay of virus at a low cost.

 
  
 

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Predicting pKa in Implicit Solvents: Current Status and Future Directions 
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Junming Ho
pp. 1441-1460

Predicting pKa is important in many areas of science, including chemical synthesis, structural biology, and the development of drug and functional materials. Computational chemistry provides a complementary alternative to experiment for estimating the pKas of species ranging from small monoprotic acids, to larger and conformationally flexible polyprotic acids.

 
 

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Synthesis of Carbohydrate-based Natural Products from Leonurus japonicus and their Biological Evaluation as Anti-oxidants 
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Evette Clayton , Mitchell Hattie , Aleksandra W. Debowski and Keith A. Stubbs
pp. 1461-1470

A short and expedient synthesis of three natural products from Leonurus japonicus is presented, along with their application as hepatoprotective agents.

 
    | Supplementary Material (1.2 MB)
 

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On the Mechanism of Berberine–INF55 (5-Nitro-2-phenylindole) Hybrid Antibacterials 
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Naveen K. Dolla , Chao Chen , Jonah Larkins-Ford , Rajmohan Rajamuthiah , Sakthimala Jagadeesan , Annie L. Conery , Frederick M. Ausubel , Eleftherios Mylonakis , John B. Bremner , Kim Lewis and Michael J. Kelso
pp. 1471-1480

Berberine–INF55 hybrids are a promising class of antibacterials that link berberine together with the NorA multidrug resistance pump inhibitor INF55. Parallel experiments comparing the activities of three different hybrids and their corresponding berberine–INF55 combinations showed that the hybrids and combinations do not exert antibacterial effects through the same mechanisms.

 
    | Supplementary Material (216 KB)
 

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Ethylene Trimerisation with Cr-PNP Catalysts: A Theoretical Benchmarking Study and Assessment of Catalyst Oxidation State 
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David S. McGuinness , Bun Chan , George J. P. Britovsek and Brian F. Yates
pp. 1481-1490

A model for the homogeneous Cr-PNP ethylene trimerisation and tetramerisation catalyst system has been studied theoretically, with the aim of identifying suitable DFT methods for treatment of this catalyst, and evaluating the likely oxidation and spin states of the active species.

 
    | Supplementary Material (460 KB)
 

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Novel Anthranilic Diamide Insecticides: Design, Synthesis, and Insecticidal Evaluation 
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Xuewen Hua , Wutao Mao , Zhijin Fan , Xiaotian Ji , Fengyun Li , Guangning Zong , Haibin Song , Juanjuan Li , Like Zhou , Lifeng Zhou , Xiaowen Liang , Genhao Wang and Xiaoyan Chen
pp. 1491-1503

Three series of new anthranilic diamide derivatives containing sulfide, N-cyanomethylsulfilimine, and N-cyanomethylsulfoximine moieties were designed and synthesized by coupling the active substructures of anthranilic diamides and sulfoxaflor. Bioassay results indicated that most of the synthesized compounds possessed good insecticidal activities against Mythimna separata and Plutella xylostella when compared with the positive control cyantraniliprole.

 
    | Supplementary Material (4.9 MB)
 

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Role of Anion–π Interactions in the Supramolecular Assembly of Salts Containing Asymmetrical Bis(pyridyl) Cations 
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Zhu-Yan Zhang , Zhao-Peng Deng , Li-Hua Huo , Shu-E Zhang , Hui Zhao and Shan Gao
pp. 1504-1515

Self-assembly of three flexible bis(pyridyl) molecules with different inorganic acids (HPF6, HClO4, and HNO3) leads to the formation of eight salts, which exhibit diverse architectures involving hydrogen bonding and anion–π interactions.

 
    | Supplementary Material (725 KB)
 

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Efficient Synthesis of 2-Imidazolines in the Presence of Molecular Iodine Under Ultrasound Irradiation 
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Guo-Feng Chen , Hong-Yang Li , Nan Xiao , Bao-Hua Chen , Ya-Li Song , Ji-Tai Li and Zhi-Wei Li
pp. 1516-1521

An efficient one-pot synthesis procedure of 2-imidazolines from aldehydes and ethylenediamine using molecular iodine and potassium carbonate in absolute ethanol at 25–30°C under ultrasound irradiation is described. The synthetic strategy has several advantages: mild conditions, low costs, readily available catalyst, short reaction times, and good-to-excellent yields.

 
    | Supplementary Material (580 KB)
 

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Theoretical Studies on Phosphorescent Materials: The Conjugation-Extended PtII Complexes 
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Ai-Hua Liang , Fu-Quan Bai , Jian Wang , Jian-Bo Ma and Hong-Xing Zhang
pp. 1522-1531

The theoretical geometries, electronic structures, emission properties, and radiative decay rate constants (kr) of four Pt complexes were investigated. The variation in charge transfer properties induced by the conjugation-extended methylimidazole group and the kr results revealed that designed complex D is a more efficient blue phosphorescence material with a 497 nm emission.

 
    | Supplementary Material (334 KB)
 

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Synthesis of Biocompatible Gelatin-functionalised Graphene Nanosheets For Drug Delivery Applications 
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Guangxin Chen , Congde Qiao , Yang Wang and Jinshui Yao
pp. 1532-1537

Gelatin-functionalised graphene nanosheets (gelatin-GNS) with good biocompatibility were successfully synthesised using gelatin as a reductant. The gelatin-GNS adsorbed methotrexate (MTX) via strong π–π stacking interaction, exhibiting a high MTX drug loading capacity and excellent ability for controlled drug release. The pH-dependent release behaviour of MTX from MTX@gelatin-GNS showed that the release amount under acid conditions was much higher than that under neutral conditions, indicating a gelatin-mediated sustained release process.

 
    | Supplementary Material (159 KB)
 

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These articles have been peer reviewed and accepted for publication. They are still in production and have not been edited, so may differ from the final published form.

    CH14547  Accepted 20 October 2014
    N,N-Dialkyl-N’-Chlorosulfonyl Chloroformamidines in Heterocyclic Synthesis. Part XI.* Some Substitution Reactions of Pyrazolo[1,5 b][1,2,4,6]thiatriazine 1,1-Dioxides.
    Rebecca Norman, Michael Perkins, Andy Liepa, Craig Francis
    Abstract


    CH14590  Accepted 17 October 2014
    Recent advances in the development of sigma-1 receptor ligands
    Madhura Manohar, Samuel Banister, Corinne Beinat, James O'Brien-Brown, Michael Kassiou
    Abstract


    CH14574  Accepted 15 October 2014
    The Conversion of Levoglucosenone into Isolevoglucosenone
    Xinghua Ma, Natasha Anderson, Lorenzo White, Song Bae, Warwick Raverty, Tony Willis, Martin Banwell
    Abstract


    CH14556  Accepted 15 October 2014
    Asymmetric remote C-H functionalization: Use of internal olefins in tandem hydrometallation – isomerization – asymmetric conjugate addition sequences
    Laura Mola, Mireia Sidera, Stephen Fletcher
    Abstract


    CH14532  Accepted 13 October 2014
    EXAFS and EPR Studies of the Alkene Oxidation Catalyst Species, trans-[CrIII(bpb)(L)2]n+ and Cr(V) Oxidation Products (bpb = N,N´-Bis(2-pyridinecarboxamido)-1,2-benzene)
    Colin Weeks, Aviva Levina, Ronald Fenton, Peter Lay
    Abstract


    CH14577  Accepted 09 October 2014
    Synthesis of Sterically Demanding Bis(phosphinimine) Dibenzofuran Ligands and Subsequent Zinc Metalation
    Matthew Zamora, Saif Zahir, Kevin Johnson, Clay Barnson, Craig Wheaton, Mikko Hänninen, Paul Hayes
    Abstract


    CH14572  Accepted 09 October 2014
    Synthesis and DNA-Binding Studies of a Dinuclear Gadolinium(III)- Platinum(II) Complex
    Jacob Fenton, Madleen Busse, Lou Rendina
    Abstract


    CH14568  Accepted 09 October 2014
    Synthetic Amino Acids for Applications in Peptide Ligation-Desulfurization chemistry
    Lara Malins, Richard J. Payne
    Abstract


    CH14548  Accepted 09 October 2014
    An Asymmetric Variant of the Bischler-Möhlau Indole Synthesis
    Nishani Thennakoon, Gurpreet Kaur, Jingjing Wang, Paul Plieger, Gareth Rowlands
    Abstract


    CH14546  Accepted 09 October 2014
    Coordination of β-ketoimine derived ligands at main group and transition metals
    Struan Cummins, Putri Fraser, J. Robin Fulton, Martyn Coles, Christopher Fitchett
    Abstract


    CH14539  Accepted 09 October 2014
    ACCESSING BROMINATED NATURAL PRODUCT MOTIFS USING PHOSPHORAMIDITE-CATALYSIS
    Carl Recsei, Chris McErlean
    Abstract


    CH14601  Accepted 07 October 2014
    Sir John Cornforth ("Kappa"): Some Personal Recollections
    Harold Kroto
    Abstract


    CH14505  Accepted 08 October 2014
    A Straightforward and Practical Approach to Chiral Inducer: (2R,3R)-1,4-Dimethoxy-1,1,4,4-tetraphenylbutane-2,3-diol
    Jinsheng Xie, Xiaoyun Hu, Zixing Shan, Zhongqiang Zhou
    Abstract


    CH14600  Accepted 05 October 2014
    Reflections on the Life and Works of Sir John W. ("Kappa") Cornforth
    Damon Ridley
    Abstract


    CH14516  Accepted 05 October 2014
    Carbon-Supported Spinel Nanoparticle MnCo2O4 as a Cathodic Catalyst towards Oxygen Reduction Reaction in Dual-chamber Microbial Fuel Cell
    DengPing Hu, Guangyao Zhang, Juan Wang, Qin Zhong
    Abstract


    CH14492  Accepted 05 October 2014
    Catalytic olefin hydroalkoxylation by nano particles of pollucite
    Sara Zamanian, Ali Nemati Kharat
    Abstract


    CH14422  Accepted 04 October 2014
    Cu(hfac)2 Complexes with Nitronyl Ketones Structurally Mimicking Nitronyl Nitroxides in Breathing Crystals
    Evgeny Tretyakov, Galina Romanenko, Sergey Veber, Matvey Fedin, Aleksey Polushkin, Anastasia Tkacheva, Victotor Ovcharenko
    Abstract


    CH14499  Accepted 03 October 2014
    Nitrogen Containing Ionic Liquids: Biodegradation Studies and Utility in Base-Mediated Reactions
    Leigh Ford, Kai Ylijoki, M Garcia, Robert Singer, Peter Scammells
    Abstract


    CH14418  Accepted 02 October 2014
    Nickel oxide nanoparticle-assembled microspheres with high rate capability for lithium storage
    Xiujuan Wang, Gang Wang, Gaohong Zhai, Hui Wang
    Abstract


    CH14534  Accepted 29 September 2014
    Synthesis, Characterization, and Antifungal Activities of Novel Benzodiazaborines
    Jiyoung Yang, Brandon Johnson, Allan Letourneau, Christopher Vogels, Andreas Decken, Felix Baerlocher, Stephen Westcott
    Abstract


    CH14514  Accepted 29 September 2014
    Synthesis, Characterization, and Catalytic Activity of a Series of Aluminium-Amidate Complexes
    Kevin Yeagle, Darryl Hester, Nicholas Piro, William Dougherty, W Kassel, Christopher Graves
    Abstract


    CH14587  Accepted 25 September 2014
    Memories of an old colleague and friend – Desmond J. Brown
    Heinz Duewell
    Abstract


    CH14584  Accepted 23 September 2014
    Some Remembrances of D. J. Brown by a Colleague
    Gordon Barlin
    Abstract


    CH14583  Accepted 23 September 2014
    Foreword to the AJC Research Front on Fluorine Chemistry
    Luke Hunter
    Abstract


    CH14543  Accepted 23 September 2014
    Synthesis of Highly Water Soluble Adamantyl Phosphoinositide Derivatives
    Mark Gregory, Meng-Xin Yin, Malcolm McConville, Eleanor Williams, Alex Bullock, Stuart Conway, Antony Burgess, Bruno Catimel, Andrew Holmes
    Abstract


    CH14540  Accepted 23 September 2014
    Selective Solvent Extraction of Silver(I) by Tris-Pyridyl Tripodal Ligands and X-ray Structure of a Silver(I) Coordination Polymer Incorporating One Such Ligand
    David Bray, Jack Clegg, Marco Wenzel, Kerstin Gloe, John McMurtrie, Katrina Jolliffe, Karsten Gloe, Len Lindoy
    Abstract


    CH14530  Accepted 23 September 2014
    Facilitating Biomimetic Syntheses of Borrerine Derived Alkaloids by Means of Flow-Chemical Methods
    Sonja Kamptmann, Steven Ley
    Abstract


    CH14578  Accepted 19 September 2014
    Desmond Joseph Brown
    Wilf Armarego
    Abstract


    CH14557  Accepted 19 September 2014
    International Year of Crystallography
    Stuart Batten, Bostjan Kobe, Luke Guddat
    Abstract


    CH14535  Accepted 19 September 2014
    Zwitterionic CS2 adducts of bis(dialkylphosphino)amines: syntheses, spectroscopy and structures
    Diane Dickie, Raymond Ulibarri-Sanchez, Richard Kemp
    Abstract


    CH14343  Accepted 17 September 2014
    Analysis of the Enol-Keto Tautomers of Indole-3-pyruvic Acid
    Nathan Tivendale, Noel Davies, James Horne , John Ross, Jason Smith
    Abstract


    CH14476  Accepted 17 September 2014
    A Simple Conversion of Creatinine to Creatol via Creatinine Chloroamine
    Kazuharu Ienaga, Yoshiaki Toya, Kiyohiko Nakajima, Mariko Tachikawa
    Abstract


    CH14159  Accepted 15 September 2014
    Three Coordination Polymers Built by Methoxyphenyl Imidazole Dicarboxylate: Solvothermal Syntheses, Crystal Structures and Properties
    Mingan Dang, Zifeng Li, Ying Liu, Gang Li
    Abstract


    CH14495  Accepted 15 September 2014
    Host-guest inclusion system of scutellarin with Polyamine-β-cyclodextrin: preparation, characterization and anticancer activity
    Xue Ma, Bo Yang, Yulin Zhao, Hudie Xie, Xiaoshun Gong
    Abstract


    CH14520  Accepted 07 September 2014
    A Chemoenzymatic Route to the (+)-Form of the Amaryllidaceae Alkaloid Narseronine†
    Shuxin Yang, Martin Banwell, Tony Willis, Jas Ward
    Abstract


    CH14490  Accepted 07 September 2014
    Ethanolic RAFT Dispersion Polymerization of 2-(Naphthalen-2-yloxy)ethyl Methacrylate and 2-Phenoxyethyl Methacrylate with Poly[2-(dimethylamino)ethyl methacrylate] Macro-CTAs
    Yiwen Pei, Nadia Dharsana, Andrew Lowe
    Abstract


    CH14399  Accepted 05 September 2014
    Modeling of Transition State in Grignard Reaction of Rigid N-(aryl)imino-acenapthenone (Ar-BIAO): A Combined Experimental and Computational Study
    Srinivas Anga, Sayak Das Gupta, Supriya Rej, Bhabani Mallik, Tarun Panda
    Abstract


    CH14332  Accepted 04 September 2014
    A Green Approach for Copper-Free Sonogashira Reaction of Aryl Halides with Phenylacetylene in the Presence of Nano-Pd/Phosphorylated Silica (SDPP/Pd0)
    Nasser Iranpoor, Habib Firouzabadi, Somayeh Motevalli, Khashayar Rajabi
    Abstract


    CH14412  Accepted 03 September 2014
    Pd-Catalyzed Dehydrogenative Cross-Coupling of 1,4-Quinones with N,N-Dialkyluracils
    Ebrahim Kiannmehr, Mehran Rezazadeh Khalkhali, Masoud Rezaeefard, Khalid Khan, Seik Weng Ng
    Abstract


    CH14400  Accepted 03 September 2014
    Synthesis and thermal stability of new polynitrostilbenes
    Jianping Wei, Fangmei Li, Junhui Xu, Xinhua Peng
    Abstract


    CH14455  Accepted 02 September 2014
    Reflections on the many facets of protein microcrystallography
    Marion Boudes, Damià Garriga, Fasséli Coulibaly
    Abstract


    CH14386  Accepted 01 September 2014
    A simple and efficient two-step synthesis of 1,2,3-triiodoarenes via consecutive C-H iodination/ ipso-iododecarboxylation strategy: A potential application towards ortho-diiodoarenes by regioselective metal-iodine exchange reaction
    Raed Al-Zoubi, Hussein Al-Mughaid, Bob McDonald
    Abstract


    CH14470  Accepted 28 August 2014
    Distinct 3D CdII coordination polymers with 1,2-naphthalenedicarboxylate regulated by dipyridyl co-ligands with different spacers
    Zhuo-Wei Wang, Hui Zhao, Min Hu, Chun-Sen Liu
    Abstract


    CH14383  Accepted 28 August 2014
    Difunctionalized N-Confused Porphyrins:Synthesis, Fluorescence and Electrochemical Studies
    Sudipta Das, Naresh Balsukuri, Praseetha Kesavan, ITI GUPTA
    Abstract


    CH14519  Accepted 28 August 2014
    An Introduction to Molecular Magnetism: SANZMAG-1 (Southampton-Australia-New Zealand Workshop on Molecular Magnetism)
    Suzanne Neville
    Abstract


    CH14442  Accepted 26 August 2014
    Group position dependent structurally diverse coordination compounds based on isomeric ligands
    Jian Hua Zou, Han Jie Cui, He Wu, Da Liang Zhu, He Tian, Fei Fei Zhang, Jing Wang, Qiao Yun Li, Gao Wen Yang
    Abstract


    CH14364  Accepted 26 August 2014
    Fabrication of high efficiency dye sensitized solar cell with Zirconia doped TiO2 nanoparticles/nanowires composite photoanode film
    D.Maheswari Kannan, Palanisamy Venkatachalam
    Abstract


    CH14328  Accepted 20 August 2014
    Synthesis and Bioevaluation of Novel Oxa-caged Garcinia Xanthones as antitumor agents
    Guangqiang Miao, Junhai Ma, Kan Yang, Zhipeng Huang, Qinlan Gu, Yanjie Wang, Qinglong Guo, Qidong You, Jinxin Wang
    Abstract


    CH14446  Accepted 18 August 2014
    Control of gold nanostructure morphology by variation of temperature and reagent ratios in the Turkevich reaction
    Vivek Poonthiyil, Vladimir Golovko, Antony Fairbanks
    Abstract


    CH14437  Accepted 11 August 2014
    Novel Tri-cholesteryl Derivatives-based Low Molecular Mass Organic Gelators with Multiple-stimulus Responsive Properties
    Min Xue, Chunmeng Yu, Gang Wang, Hang Yu, Yu Fang
    Abstract


    CH14447  Accepted 07 August 2014
    Preparation of metal-free, nitrogen-doped graphene via direct electrochemical exfoliation of graphite in ammonium nitrate
    Richard Gondosiswanto, Xunyu Lu, Chuan Zhao
    Abstract


    CH14073  Accepted 05 August 2014
    “Green” Synthesis of 2-substituted 6-Hydroxy-[3H]-pyrimidin-4-ones and 4,6-Dichloro-pyrimidines: Improved Strategies and Mechanistic Study
    Andreas Opitz, Werner Sulger, Ewald Daltrozzo, Rainer Koch
    Abstract


    CH14393  Accepted 03 August 2014
    Square-Wave Voltammetric Determination of Nanomolar Levels of Linuron in Environmental Water Samples Using a Glassy Carbon Electrode Modified with Platinum Nanoparticles within a Dihexadecylphosphate Film
    Paola Marreto, Aline Trench, Fernando Vicentini, Luiz Figueiredo-Filho, Roberta Medeiros, Ernesto Pereira, Orlando Fatibello-Filho
    Abstract


    CH14379  Accepted 03 August 2014
    A Novel Electrochemiluminescence Sensor for Sensitive Determination of Carbaryl Based on Solid Phase Microextraction at NH2-graphene-Nafion Modified Electrode
    Sui Wang, Shasha Lv, Wenwen Wu, Zhiyong Guo
    Abstract


    CH14312  Accepted 03 August 2014
    Investigation of the rotational isomerism of quinapril and quinaprilat by UPLC-DAD and elucidation of the conformational equilibrium by NMR
    MAHA DENDENI, Nicolas Cimetiere, Isabelle Soutrel, Jean Paul Guegan, Najib Ben Hamida, Abdeltif Amrane
    Abstract


    CH14293  Accepted 02 August 2014
    Microwave-Assisted Synthesis of a Series of Ag/ZnO Nanocomposites and Evaluation of Their Photocatalytic Activities Under Multi-Mode Photodegradation
    Li Li, Xiandan Huang, Yu Gao, Wenzhi Zhang, Xiuli Zhang, Xi Chen
    Abstract


    CH14464  Accepted 01 August 2014
    Synthesis and Tautomerism of Curcumin Derivatives and Related Compounds
    Hiroyasu Taguchi, Daijiro Yanagisawa, Shigehiro Morikawa, Koichi Hirao, Nobuaki Shirai, Ikuo Tooyama
    Abstract


    CH14414  Accepted 31 July 2014
    Coordination polymers constructed from TCNQ2- anions and chelating ligands
    Brendan Abrahams, Robert Elliott, Richard Robson
    Abstract


    CH14392  Accepted 30 July 2014
    A novel (3,4,9)-connected 3-D metal-organic framework based on the non-planar tricarboxyl tecton and Zn5O4-cluster SBU
    Zhuo-Wei Wang, Hui Zhao, Min Chen, Min Hu
    Abstract


    CH14421  Accepted 24 July 2014
    Pteridines Part CXXI1 Protection of (6R)-5,6,7,8-Tetrahydro-L-biopterin
    Q Yao, Wolfgang Pfleiderer
    Abstract


    CH14425  Accepted 22 July 2014
    Synthesis of 6-Azapurines by Transformation of Toxoflavins and Reumycins (7-Azapteridines) and their Cytotoxicities.
    Jun Ma, Fumio Yoneda, Tomohisa Nagamatsu
    Abstract


    CH14092  Accepted 05 May 2014
    Hydrothermal Syntheses, Crystal Structures and Luminescent Properties of Two Mn(II) Coordination Polymers: From Two-fold Interpenetrated pcu topological net to Polycatenated 2D+2D→3D framework
    Wenlong Liu, Xueying Wang, Mengqiang Wu, Bing Wang
    Abstract




The Most Read ranking is based on the number of downloads from the CSIRO PUBLISHING website of articles published in the previous 12 months. Usage statistics are updated daily.

Rank Paper Details
1. Published 1 October 2013
Extremely Bulky Amido and Amidinato Complexes of Boron and Aluminium Halides: Synthesis and Reduction Studies

Edwin W.Y. Wong, Deepak Dange, Lea Fohlmeister, Terrance J. Hadlington and Cameron Jones

2. Published 7 April 2014
Synthesis and Phase Transfer of Monodisperse Iron Oxide (Fe3O4) Nanocubes

Melissa R. Dewi, William M. Skinner and Thomas Nann

3. Published 6 January 2014
Azobenzene-Functionalised Core Cross-Linked Star Polymers and their Host–Guest Interactions

Shereen Tan, Edgar H. H. Wong, Qiang Fu, Jing M. Ren, Adrian Sulistio, Katharina Ladewig, Anton Blencowe and Greg G. Qiao

4. Published 6 December 2013
PAINS: Relevance to Tool Compound Discovery and Fragment-Based Screening

Jonathan B. Baell, Lori Ferrins, Hendrik Falk and George Nikolakopoulos

5. Published 1 October 2013
The Fifth Element in Drug Design: Boron in Medicinal Chemistry

Jan Kahlert, Christopher J. D. Austin, Michael Kassiou and Louis M. Rendina

6. Published 6 December 2013
Design and Evaluation of the Performance of an NMR Screening Fragment Library

Bradley C. Doak, Craig J. Morton, Jamie S. Simpson and Martin J. Scanlon

7. Published 13 March 2014
Azides – Diazonium Ions – Triazenes: Versatile Nitrogen-rich Functional Groups

Dominik K. Kölmel, Nicole Jung and Stefan Bräse

8. Published 6 December 2013
Development of Inhibitors of Plasmodium falciparum Apical Membrane Antigen 1 Based on Fragment Screening

San Sui Lim, Cael O. Debono, Christopher A. MacRaild, Indu R. Chandrashekaran, Olan Dolezal, Robin F. Anders, Jamie S. Simpson, Martin J. Scanlon, Shane M. Devine, Peter J. Scammells and Raymond S. Norton

9. Published 6 January 2014
Recyclable Textiles Functionalized with Reduced Graphene Oxide@ZnO for Removal of Oil Spills and Dye Pollutants

Jinfeng Wang, Takuya Tsuzuki, Bin Tang, Lu Sun, Xiujuan J. Dai, Gayathri D. Rajmohan, Jingliang Li and Xungai Wang

10. Published 13 March 2014
B-Methyl Amine Borane Derivatives: Synthesis, Characterization, and Hydrogen Release

Patrick G. Campbell, Jacob S. A. Ishibashi, Lev N. Zakharov and Shih-Yuan Liu

11. Published 12 May 2014
Minimalist Approaches to Protein Labelling: Getting the Most Fluorescent Bang for Your Steric Buck

Lee C. Speight, Moumita Samanta and E. James Petersson

12. Published 1 October 2013
Preparation and Structures of Group 12 and 14 Element Halide–Carbene Complexes

S. M. Ibrahim Al-Rafia, Paul A. Lummis, Anindya K. Swarnakar, Kelsey C. Deutsch, Michael J. Ferguson, Robert McDonald and Eric Rivard

13. Published 12 February 2014
Focus on Super-Resolution Imaging with Direct Stochastic Optical Reconstruction Microscopy (dSTORM)

Donna R. Whelan, Thorge Holm, Markus Sauer and Toby D. M. Bell

14. Published 6 December 2013
Fragment-based Drug Discovery: the Shape of Things to Come

Martin J. Drysdale

15. Published 16 June 2014
Fungal Metabolites as Pharmaceuticals

Andrew M. Beekman and Russell A. Barrow

16. Published 12 November 2013
[18F]Radiochemistry using the NanoTek Microfluidic Synthesis System

Lidia Matesic

17. Published 13 March 2014
A New Synthesis of 4,5,6,7-Tetrahydropyrazolo[1,5-c]pyrimidines by a Retro-Mannich Cascade Rearrangement

Raffaele Colombo, Kyu Ok Jeon, Donna M. Huryn, Matthew G. LaPorte and Peter Wipf

18. Published 13 March 2014
Gold Catalysis: Biarylphosphine Ligands as Key for the Synthesis of Dihydroisocoumarins

A. Stephen K. Hashmi, Benjamin Bechem, Annette Loos, Melissa Hamzic, Frank Rominger and Hassan Rabaa

19. Published 6 December 2013
Interrogating Fragments Using a Protein Thermal Shift Assay

Róisín M. McMahon, Martin J. Scanlon and Jennifer L. Martin

20. Published 13 March 2014
Synthesis of Fluorinated Aromatic Compounds by One-Pot Benzyne Generation and Nucleophilic Fluorination

Takashi Ikawa, Shigeaki Masuda, Tsuyoshi Nishiyama, Akira Takagi and Shuji Akai


      
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