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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

Co-Editors-in-Chief: George Koutsantonis and John Wade

 
 
 

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Published online 26 July 2016
Preparation and UCST-Type Phase Behaviours of Poly(γ-4-methylbenzyl-l-glutamate) Pyridinium Tetrafluoroborate Conjugates in Methanol or Water 
Sheng Liu, Chenglong Ge, Ying Ling and Haoyu Tang

Poly(γ-4-methylbenzyl-L-glutamate) pyridinium tetrafluoroborate conjugates with constant main chain length, various pyridinium pendants, and high grafting efficiency can be readily prepared by nucleophilic substitution and ion-exchange reaction. They can exhibit reversible UCST-type phase behaviours in both methanol and water depending on the type of pyridinium pendants.

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  l-glutamate) Pyridinium Tetrafluoroborate Conjugates in Methanol or Water&title=Australian Journal of Chemistry&date=9999&volume=9999&spage=NULL&epage=NULL&aulast=Liu&aufirst=Sheng" target="_blank" >
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Published online 20 July 2016
Spotlight on Varietal Thiols and Precursors in Grapes and Wines 
David W. Jeffery

Wine is a fascinating natural product containing many hundreds of volatile compounds. A much smaller number of key compounds typically contribute to wine aroma, and odorants with characteristic aroma qualities may even define a particular varietal wine. Examples include the varietal thiols, present as odourless precursors in grape berries, that typify the aroma of Sauvignon Blanc wine.

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Published online 20 July 2016
A Biomimetic Synthetic Approach to the Frondosins 
Kevin K. W. Kuan, Aylin M. C. Hirschvogel and Jonathan H. George

The 6–7 ring system of the frondosins has been synthesized using a highly stereo- and regioselective ring expansion cascade reaction that was inspired by a biosynthetic proposal.

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   | Supplementary Material (2.4 MB)
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Published online 18 July 2016
Experimental and Quantum Mechanical Study of Nucleophilic Substitution Reactions of meta- and para-Substituted Benzyl Bromides with Benzylamine in Methanol: Synergy Between Experiment and Theory 
Rachuru Sanjeev, Ramavath Ravi, Vandanapu Jagannadham and Adam A. Skelton

This work involves the experimental and theoretical study of the nucleophilic substitution of meta- and para-substituted benzyl bromides with benzylamine.

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    | Supplementary Material (119 KB)
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Published online 13 July 2016
Non-Equilibrium Capillary Electrophoresis of Equilibrium Mixtures-Based Affinity Separation and Selective Enrichment of a Long-Length DNA Aptamer 
Kenta Hagiwara, Yuuya Kasahara, Hiroto Fujita and Masayasu Kuwahara

Peak separation of a long-length DNA aptamer complexed with its target via non-equilibrium capillary electrophoresis of equilibrium mixtures (NECEEM) and its enrichment through selection process cycles have been demonstrated.

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    | Supplementary Material (252 KB)
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Published online 12 July 2016
Anionic Ring Opening Polymerization of ε-Caprolactone Initiated by Lithium Silanolates 
Angel J. Satti, Augusto G. O. de Freitas, M. Loreta Sena Marani, Marcelo A. Villar, Enrique M. Vallés, Cristiano Giacomelli and Andrés E. Ciolino

This paper describes a simple way to synthesize poly(caprolactone) or poly(siloxane-block-caprolactone) copolymers through anionic polymerization by employing lithium silanolates.

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Published online 08 July 2016
Mo(CO)6 as a Solid CO Source in the Synthesis of Aryl/Heteroaryl Weinreb Amides under Microwave-Enhanced Condition 
Raghu Ningegowda, Savitha Bhaskaran, Ayyiliath M. Sajith, Chandrashekar Aswathanarayanappa, M. Syed Ali Padusha, Nanjunda Swamy Shivananju and Babu Shubha Priya

The facile transformation of aryl/heteroaryl nonaflates into corresponding amides via Pd-catalyzed aminocarbonylation using Mo(CO)6 as a solid CO source under microwave-enhanced condition is reported. The method was found to be tolerant with respect to a diverse range of electronically biased aryl/heteroaryl nonaflates, and exceptional yields were obtained. The optimized protocol was further extended to a diverse range of amines.

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    | Supplementary Material (2.6 MB)
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Published online 04 July 2016
Kinetics and Mechanism of Oxidation of d-Penicillamine in Acidified Bromate and Aqueous Bromine 
Kudzanai Chipiso and Reuben H. Simoyi

Oxidation of the biologically active compound d-penicillamine (Depen) by acidic bromate has been studied. It is oxidized as far as its sulfonic acid. ESI spectroscopy shows that Depen is oxidized through addition of oxygen atoms on the sulfur centre to successively yield sulfenic and sulfinic acids before the product sulfonic acid.

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Published online 04 July 2016
Energetics of the Proton Transfer Pathway for Tyrosine D in Photosystem II 
Keisuke Saito, Naoki Sakashita and Hiroshi Ishikita

The proton transfer pathway for redox active tyrosine D (TyrD) in photosystem II is a hydrogen-bond network that involves D2-Arg180 and a series of water molecules. The potential-energy profile of all hydrogen bonds along the proton transfer pathway indicates that the overall proton transfer from TyrD is energetically downhill.

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   | Supplementary Material (10 KB)  |        Open Access Article
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Published online 04 July 2016
Concerted Pathway to the Mechanism of the Anilinolysis of Bis(N,N-diethylamino)phosphinic Chloride in Acetonitrile 
Hasi Rani Barai

The kinetics of the nucleophilic substitution reactions of bis(N,N-diethylamino)phosphinic chloride with XC6H4NH2(D)2 are investigated in MeCN at 65.0°C. This study examines the substituent effects, deuterium kinetic isotope effects (DKIEs), and mechanism of the phosphoryl transfer reactions. A concerted SN2 mechanism involving the predominant backside attack is proposed.

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    | Supplementary Material (631 KB)
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Published online 04 July 2016
A Colorimetric Approach towards Polycyclic Aromatic Hydrocarbon Sensing 
Walmiria Woodland, Cherie A. Motti, Paul Irving, Lynne Van Herwerden and George Vamvounis

The colorimetric sensing of polycyclic aromatic hydrocarbons (PAHs) was achieved using a photochromic compound. This detection technology was highly sensitive (by absorbing UV radiation) and selective (using different excitation wavelengths). PAH mixtures were successfully identified, allowing fast in-field identification of spilled oil sources.

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Published online 01 July 2016
A New Technique for Studying Vapour–liquid Equilibria of Multi-Component Systems 
Federico M. Ferrero Vallana, Lynette A. M. Holland and Kenneth R. Seddon

A new Fourier transform infrared gas-phase method for measuring the vapour pressure of each component of a poorly volatile mixture, and determining the vapour phase composition for each system, is described. The method has been validated using two standards, and a Raoult’s plot surface of a ternary system is reported as proof-of-principle.

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Published online 01 July 2016
The Importance of the Pauli Exchange-Type Repulsions and Hyperconjugative Interactions on the Conformational Properties of Halocarbonyl Isocyanates and Halocarbonyl Azides 
Athena Behrouz and Davood Nori-Shargh

The generalized anomeric relationships in halocarbonyl isocyanates (13) and halocarbonyl azides (46) result from the cooperative effects of the hyperconjugative generalized anomeric effects (HC-GAE) and Pauli exchange-type repulsion (PETR). The electrostatic model associated with the dipole–dipole interactions (EM-DDI) and the attractive electrostatic interactions (AEIs) between the natural atomic charges have no significant effects on the conformational preferences in compounds 13 and 46.

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Published online 27 June 2016
Rheopectic Gel Formation of Stimuli-Responsive Ionic Liquid/Water Mixtures 
Yukinobu Fukaya, Takuro Nakano and Hiroyuki Ohno

Ionic liquids are composed of ions only. However, they are not always completely soluble in water. Mixtures of phosphonium/phosphonate-type ionic liquids and water prepared herein exhibited stimuli-responsive phase transition, lower critical solution temperature phase transition, and thermoreversible viscosity change, and underwent rheopectic gelation depending on the water content

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Published online 27 June 2016
Organometallic Complexes for Non-Linear Optics. 59. Syntheses and Optical Properties of Some Octupolar (N-Heterocyclic Carbene)gold Complexes 
Gang Liu, Cristóbal Quintana, Genmiao Wang, Mahesh S. Kodikara, Jun Du, Rob Stranger, Chi Zhang, Marie P. Cifuentes and Mark G. Humphrey

The nonlinear optical (NLO) coefficients of (triphenylphosphine)gold alkynyl complexes are better than those of (N-heterocyclic carbene)gold alkynyl complexes; calculations suggest that the key low-energy transitions are from the (phosphine)gold to the alkynyl ligand in the former, and from the Au-alkynyl group to NHC in the latter.

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    | Supplementary Material (2.4 MB)
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Published online 24 June 2016
Patterned Copper Sulfide Thin Films: a Method for Studying Leaching Behaviour 
Rachel S. Brokenshire, Anthony Somers, Miao Chen and Angel A. J. Torriero

This work presents a practical and simple alternative method for studying the leaching of copper from copper sulfide. It is demonstrated, for the first time, that micro-patterned thin films can be used as a model system for studying mineral leaching of copper-bearing minerals directly by measuring changes in the film thickness using white light interferometric profilometry and changes in the film morphology and elemental composition using scanning electron microscopy coupled with energy-dispersive X-ray spectroscopy.

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    | Supplementary Material (492 KB)
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Published online 24 June 2016
Electrochemical Investigation of Gold Nanoparticle-Modified Glassy Carbon Electrode and its Application in Ketoconazole Determination 
Mutasem M. Alshalalfeh, Manzar Sohail, Tawfik A. Saleh and Md. Abdul Aziz

Ketoconazole (KCZ) is an antifungal compound and an active ingredient of anti-scaling shampoos and skin ointments. In this work, the cyclic voltammetric behaviour of KCZ was studied with a gold nanoparticle (AuNP)-modified glassy carbon (GC) electrode.

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Published online 23 June 2016
The Use of Hydrogels as Biomimetic Materials for 3D Cell Cultures 
Eric Y. Du, Adam D. Martin, Celine Heu and Pall Thordarson

Hydrogels have been gaining increasing popularity as biomimetic materials for their unique properties such as high water content, ease of functionalisation, and high biocompatibility. This highlight article describes the recent developments of hydrogels, with a large focus on the supramolecular variants, in their application for 3D cell cultures.

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Published online 17 June 2016
Self-Assembly of an Amphiphilic OEG-Linked Glutamide Lipid 
Shuo Wang, Youguo Zhang, Qiang Li, Rongqin Sun, Lin Ma and Liangchun Li

Amphiphilic peptides with or without oligoethylene glycol (OEG) chains based on 3,4-bis(benzyloxy)benzoic-linked glutamide were designed and their self-assembly was investigated. The studies showed that the amphiphilic peptide 3 with OEG chains could not only form stable gels in a wide range of solvents, but also allowed control of the width of nanofibres in the gel formed with changing water content.

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    | Supplementary Material (2.7 MB)
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Published online 16 June 2016
Pentanidium-Catalyzed Asymmetric Phase-Transfer Conjugate Addition: Prediction of Stereoselectivity via DFT Calculations and Docking Sampling of Transition States, and Origin of Stereoselectivity 
Choon Wee Kee and Ming Wah Wong

The catalytic mechanism and origin of stereoselectivity of pentanidium-catalyzed asymmetric phase-transfer conjugate addition were studied by DFT calculations. A docking approach was used to sample the conformational space of the diastereomeric C–C bond-forming transition states. The calculated enantioselectivity is in excellent accord with experiment result.

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    | Supplementary Material (730 KB)
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Published online 14 June 2016
Direct Synthesis of Nitriles from Aldehydes and Hydroxylamine Hydrochloride Catalyzed by a HAP@AEPH2-SO3H Nanocatalyst 
Samane Memar Masjed, Batool Akhlaghinia, Monireh Zarghani and Nasrin Razavi

We describe an efficient method for the direct preparation of nitriles from aldehydes and hydroxylamine hydrochloride catalyzed by sulfonated nanohydroxyapatite functionalized by 2-aminoethyl dihydrogen phosphate (HAP@AEPH2-SO3H) as an eco-friendly and recyclable solid acid nanocatalyst.

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    | Supplementary Material (1.8 MB)
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Published online 14 June 2016
Hydrophilic Magnetite Nanoparticles Enhance Anticancer Activity of Anthracyclines In Vitro 
Bin Yang, Lin Luo, Ying Ma, Chunyan Chen, Xiaoming Chen and Changqun Cai

Citric acid-coated magnetite nanoparticles Fe3O4 (nano-Fe3O4-CA) interacted with anthracyclines, and the aggregates (nano-Fe3O4-CA-drug) formed. Further studies indicated that the interactions between them were electrostatic and hydrophobic forces. Additionally, the cytotoxicity of nano-Fe3O4-CA-drug was investigated by cytotoxicity experiment and cell morphology study, which indicated that the nano-Fe3O4-CA-drug has a lower cytotoxicity than anthracyclines.

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    | Supplementary Material (537 KB)
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Published online 10 June 2016
Vibrational Spectroscopic Characterization and DFT Study of Palladium(ii) Complexes with N-Benzyliminodiacetic Acid Derivatives 
Neven Smrečki, Igor Rončević and Zora Popović

Palladium(ii) complexes with N-benzyliminodiacetic acid derivatives, RN(CH2COOH)2 (RidaH2; R = benzyl, para-chlorobenzyl, para-nitrobenzyl, or para-methoxybenzyl), were prepared and characterized by infrared spectroscopy and thermal analysis. Two types of complexes, dihydrates [Pd(RidaH)2]·2H2O and anhydrous complexes [Pd(RidaH)2], were successfully distinguished on the basis of their infrared spectra with the aid of density function theory calculations at the BP86/6–311+G(d,p) level of theory with SDD pseudopotentials.

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  ii) Complexes with N-Benzyliminodiacetic Acid Derivatives&title=Australian Journal of Chemistry&date=9999&volume=9999&spage=&epage=&aulast=Smrečki&aufirst=Neven" target="_blank" >  | Supplementary Material (1.3 MB)
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Published online 10 June 2016
Two Different Barium(II) 2D Coordination Polymers Constructed with Pyrazine-2,3-Dicarboxylate: Synthesis, Crystal Structures, and Thermal Decomposition to Barium(II) Carbonate Nanoparticles 
Masoumeh Tabatabaee, Boris-Marko Kukovec, Saeed Amjad and Masoud R. Shishebor

Two barium(ii) 2D coordination polymers, {[Ba(µ-H2O)(H2O)2(µ-pyzdc)]}n (1) and {[Ba(H2O)2(µ-Hpyzdc)(Hpyzdc)]2H2O}n (2) (pyzdcH2 = pyrazine-2,3-dicarboxylic acid), were prepared by reaction of barium(ii) chloride dihydrate and pyzdcH2 under slightly different pH values. The barium(ii) ion has distorted bicapped square antiprismatic coordination geometry in 1 and distorted tricapped trigonal prismatic geometry in 2.

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    | Supplementary Material (421 KB)
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Published online 10 June 2016
Molecular Electrostatic Potential-Based Atoms in Molecules: Shielding Effects and Reactivity Patterns 
Anmol Kumar and Shridhar R. Gadre

Salient chemical applications of the recently proposed Atoms in Molecules (AIM) concept based on molecular electrostatic potential (MESP) have been explored. The present work clearly demonstrates the connection of MESP-based AIM with reactivity as well as shielding and deshielding of atoms in NMR studies.

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    | Supplementary Material (483 KB)
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Published online 10 June 2016
Backbone Phosphonamide-Functionalized Imidazol-2-ylidene Complexes 
Paresh Kumar Majhi, Gregor Schnakenburg, Anthony J. Arduengo and Rainer Streubel

The synthesis of metal (Cr, Mo, Rh, Au) complexes bearing 4-phosphonamide and 4,5-bis(phosphonamide)-imidazol-2-ylidene ligands (NHCP) is reported. Phosphonamidyl NHC ligands are generated by deprotonation of imidazolium salts or imidazolium-based ionic liquids.

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    | Supplementary Material (61 KB)
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Published online 08 June 2016
Synthesis, Crystal Structure, and Theoretical Calculations of Two Cobalt, Nickel Coordination Polymers with 5-Nitroisophthalic Acid and Bis(imidazol) Ligands 
Ya-Ru Pan, Xiu-Mei Li, Jian-Ye Ji and Qing-Wei Wang

Two new complexes based on 5-nitroisophthalic acid (NIPH) and bis(imidazol) ligands (bimb, mbix), namely, [Co(NIPH)(bimb)(H2O)]n (1) [Ni(NIPH)(mbix)]n (2), have been successfully synthesised under hydrothermal conditions.

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Published online 07 June 2016
Novel Thymohydroquinone Derivatives as Potential Anticancer Agents: Design, Synthesis, and Biological Screening 
Ahmed H. Abdelazeem, Yasser M. A. Mohamed, Ahmed M. Gouda, Hany A. Omar and Majed M. Al Robaian

Three series of THQ-based derivatives were synthesised and evaluated for their anticancer activity against a panel of cancer cell lines. Initial screening revealed that compounds 5d and 6 exerted better activity against MCF-7 than TQ, with IC50 values of 9.6 and 10.0 μM, respectively. These compounds were able to elicit apoptotic cell death through activation of caspase 3/7.

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Published online 06 June 2016
Development of Lignocellulosic Biorefinery Technologies: Recent Advances and Current Challenges 
Antonella Amore, Peter N. Ciesielski, Chien-Yuan Lin, Davinia Salvachúa and Violeta Sànchez i Nogué

Biomass deconstruction and conversion of sugar and lignin to high-value products are the essential steps in the implementation of next-generation lignocellulosic biorefineries. Understanding the interplay between conversion processes and the structure of lignocellulosic feedstocks is a critical point, warranting the development of feedstock engineering techniques and advanced characterization methods, in tandem with the deployment of tailored deconstruction and upgrading processes.

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Published online 03 June 2016
Flowers in Australia: Phytochemical Studies on the Illawarra Flame Tree and Alstonville 
Rudi Hendra and Paul A. Keller

Investigation on the phytochemistry of flowers of the Australian species ‘Illawarra flame tree’ (Brachychiton acerifolius) and the endemic Alstonville (Tibouchina lepidota) revealed the compounds responsible for the intense colour of the flowers. Additionally, known biological activities of the identified compounds from the former species correlated with their use in indigenous medicine.

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    | Supplementary Material (925 KB)
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Published online 01 June 2016
Polyanhydrides: Synthesis, Properties, and Applications 
Katie L. Poetz and Devon A. Shipp

Polyanhydrides are a fascinating class of degradable polymers that have application in drug delivery, stimuli-responsive materials, and novel nanotechnologies because of their degradability and capacity to undergo surface erosion. This review examines approaches for polyanhydride synthesis, thermomechanical properties, biocompatibility, and hydrolysis and degradation processes.

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Published online 01 June 2016
Guest–Host Interaction of Coinage Metals in π-Rich Cavities 
Zhi Xiang Wong and Matthias Lein

It is demonstrated that the reason for the peripheral bonding mode of the coinage metal atoms with [2.2.2]paracyclophane and deltaphane is not an increase of steric repulsion on the inside of the molecular cavity, but rather the decrease of the electrostatic and orbital contributions to the bonding and that the interaction between the cyclophanes and coinage metal cations is non-covalent.

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    | Supplementary Material (121 KB)
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Published online 30 May 2016
Substituted Carbazoles – A New Class of Anthelmintic Agent 
David Rennison, Stephanie M. Gueret, Olivia Laita, Ross J. Bland, Ian A. Sutherland, Ian K. Boddy and Margaret A. Brimble

A series of novel carbazoles were synthesized based on structural modifications to lead carbazole 1; several analogues were subsequently demonstrated to exhibit anthelmintic activity both in vitro (H. contortus) and in vivo (H. polygyrus).

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    | Supplementary Material (203 KB)
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Published online 26 May 2016
Electronic and Optical Properties of the Narrowest Armchair Graphene Nanoribbons Studied by Density Functional Methods 
Chia-Nan Yeh, Pei-Yin Lee and Jeng-Da Chai

The electronic and optical properties of the narrowest armchair graphene nanoribbons (NAGNRs) are studied by various density functional methods. While NAGNRs are found to have stable singlet ground states, the lowest triplet states and the ground states of the cations and anions of NAGNRs exhibit some multi-reference character.

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    | Supplementary Material (266 KB)
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Published online 25 May 2016
The Effects of SiO2 and CeO2 Addition on the Performances of MnOx/TiO2 Catalysts 
Juhua Luo, Hongkai Mao, Xu Wang and Wei Yao

MnOx-CeO2/TiO2-SiO2 were prepared by an impregnation method and their selective catalytic reduction of NO with NH3 at low temperature was evaluated. NO conversion of the MnOx/TiO2-SiO2 catalyst could be improved by the addition of CeO2 in the temperature range of 100–180°C. MnOx-CeO2/TiO2-SiO2 with 10 wt-% CeO2 showed the highest activity with 96 % NO conversion at 180°C.

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Published online 24 May 2016
Template Polymerization of Acrylamide in Ethanol/Water Mixtures 
Jie Dong, Xiang'an Yue and Jie He

Irregular hollow polyacrylamide (PAAm) particles were prepared in ethanol/water mixtures by template polymerization of acrylamide using polyvinyl butyral (PVB) as the template material and 2,2′-azobisisobutyronitrile (AIBN) as the initiator. It was found that the shrinkage and dehydration on hollow PAAm particles results in the formation of micro-sized irregular hollow PAAm particles.

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Published online 24 May 2016
Mechanistic Insights into Water-Catalyzed Formation of Levoglucosenone from Anhydrosugar Intermediates by Means of High-Level Theoretical Procedures 
Wenchao Wan, Li-Juan Yu and Amir Karton

This work uses high-level thermochemical procedures to investigate the reaction mechanism for the conversion of important pyrolysis intermediates into levoglucosenone. This process is of importance in biomass conversion. We consider both the uncatalyzed and water-catalyzed reaction mechanisms. We find that a water catalyst leads to a significant reduction in the reaction barrier height for the entire process and to a change in the reaction mechanism.

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    | Supplementary Material (246 KB)
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Published online 24 May 2016
Aggregation Behaviours of Surface-Active Ionic Liquids 1-Alkyl-3-methylimidazolium Bis(2-ethylhexyl)sulfosuccinate 
Jiequn Wu, Tianxiang Yin, Shaoxiong Shi and Weiguo Shen

An alkyl chain length dependent structure transition was found in [Cnmim][AOT] aqueous solutions, which was induced by the penetration of longer alkyl chains into the aggregate.

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    | Supplementary Material (316 KB)
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Published online 20 May 2016
Highly Ordered Honeycomb Film Formation of Linear Polymers by the Breath Figure Technique 
Paul A. Gurr, Zhou Zhang, Xiaojuan Hao, Timothy C. Hughes and Greg G. Qiao

The incorporation of a simple fluorinated polymer additive in small amounts facilitated the formation of regular honeycomb (HC) films from polymers. Typically highly ordered HC films are difficult to form from such polymers. From analysis of the properties of these mixtures, a new hypothesis was developed, which will provide a new tool to guide and allow the use of a broader range of polymers to prepare HC films.

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    | Supplementary Material (229 KB)
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Published online 19 May 2016
Electroanalytical Opportunities Derived from Ion Transfer at Interfaces between Immiscible Electrolyte Solutions 
Damien W. M. Arrigan, Eva Alvarez de Eulate and Yang Liu

An introduction to electrochemistry at interfaces between immiscible electrolyte solutions and recent advances in the electroanalytical chemistry based on ion-transfer reactions at these interfaces are presented.

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Published online 17 May 2016
Hydrolysis of Queensland fruit fly, Bactrocera tryoni (Froggatt), attractants: kinetics and implications for biological activity 
Soo J. Park, Matthew S. Siderhurst, Ian Jamie and Phillip W. Taylor

The kinetics of hydrolysis of the most commonly used attractant, cuelure (CL), for Queensland fruit fly, Bactrocera tryoni (Froggatt), and two closely related compounds, melolure (ML) and a newly developed lure, 4-(4-(2,2,2-trifluoroacetoxy)phenyl)-2-butanone (RKTA), were quantitatively investigated by GC-FID.

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Published online 17 May 2016
Ultrasonic Synthesis and Properties of Sodium Lignosulfonate-grafted Poly(Acrylic Acid-co-Vinyl Alcohol) Composite Superabsorbent Polymer 
Chen Hao, Jun Li, Qiang He, Zilong Zhou, Xiaowei Guo, Xiaohong Wang, Sijia Gao and Yike Zhang

Under the initiation of ammonium persulfate, acrylic acid was successfully grafted onto the polyvinyl alcohol and sodium lignosulfonate in the reaction system with the assistance of ultrasound, and then an environmental friendly and biodegradable superabsorbent with semi-interpenetrating networks structure was formed due to the binding effect of N,N′-dimethyl acrylamide.

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Published online 16 May 2016
Asymptotic Functional Form Preservation Method with Supersymmetric Quantum Mechanics for Anharmonic Oscillators 
Chia-Chun Chou and Ching-Teh Li

The asymptotic functional form preservation method is developed in the framework of supersymmetric quantum mechanics to obtain the energies and wave functions of anharmonic oscillators. Several ansatz functional forms are proposed for the superpotential to obtain the ground and excited state energies with high accuracy.

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Published online 11 May 2016
tert-Butyldimethylsilyl Amine (TBDMS-NH2): A Mild and Green Reagent for the Protection of Benzyl Alcohols, Phenols, and Carboxylic Acids under Solvent-Free Conditions 
Jeremy A. Duczynski, Rebecca Fuller and Scott G. Stewart

Herein, we present the use of tert-butyldimethylsilyl amine (TBDMS-NH2) as a silylating reagent for phenols, benzyl alcohols, and carboxylic acids under solvent-free conditions. Interestingly, this process is rapid and does not involve the formation of HCl unlike other protection processes.

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    | Supplementary Material (3.5 MB)
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Published online 10 May 2016
The Influence of Amino Group Position on Aryl Moiety of SarAr on Metal Complexation and Protein Labelling 
Vincent Jamier, Eskender Mume, Cyril Papamicaël and Suzanne. V. Smith

New hexaazamacrobicyclic cage bi-functional chelators (BFCs), 1-N-(3-aminobenzyl)-3,6,10,13,16,19-hexaazabicyclo[6.6.6]eicosane-1,8-diamine (m-SarAr) and 1-N-(2-aminobenzyl)-3,6,10,13,16,19-hexaazabicyclo[6.6.6]eicosane-1,8-diamine (o-SarAr), were synthesised and their metal complexation and conjugation to proteins were compared with p-SarAr.

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    | Supplementary Material (300 KB)
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Published online 09 May 2016
Preclinical Imaging of siRNA Delivery 
Nicholas Fletcher, Aditya Ardana and Kristofer J. Thurecht

Small interfering RNA (siRNA) is a class of therapeutic with extremely high potential. However, further understanding of how siRNA behaves in vivo is still required before significant uptake into clinical application. To this end, molecular imaging has been utilised to gain a better understanding of administered siRNA and delivery vehicle biodistribution and pharmacokinetics.

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Published online 03 May 2016
Prodrug Micelles Based on Norbornene-Functional Poly(lactide)s Backbone for Redox-Responsive Release of Paclitaxel 
Ji Wang, Jing Yan, Huicong Zhou, Haikang Huang, Xuefei Zhang and Haoyu Tang

A novel norbornene-functional poly(lactide)s backbone-based redox-responsive prodrug, P(LA-g-mOEG)-b-P(LA-SS-PTX), was successfully synthesized by combination of ring-opening polymerization, click, ester, and condensation reactions. The self-assembled micelles formed from paclitaxel prodrugs displayed a spherical shape with appropriate sizes for enhanced permeability and retention effect and a narrow size distribution. With disulfide linkages, prodrug micells showed redox-responsive drug release behaviours in response to the intracellular level of reducing potential.

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Published online 03 May 2016
Rational Design of an Orthogonal Molecular Interaction System at the Complex Interface of Lung Cancer-Related MDM2 Protein with p53 Peptide 
Yanwen Li, Xiyan Yu, Ying Lou and Tong Wang

An orthogonal molecular interaction (OMI) system between a native hydrogen bond (H-bond) and a constructed halogen bond (X-bond) across the complex interface of oncogenic protein MDM2 with the p53 peptide was designed computationally. Fluorescence polarization assays revealed that the designed OMI system can considerably improve peptide binding affinity to MDM2.

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Published online 29 April 2016
Loading of a Phenanthroline-Based Platinum(ii) Complex onto the Surface of a Carbon Nanotube via π–π Stacking 
Stephanie A. Houston, Natarajan S. Venkataramanan, Ambigapathy Suvitha and Nial J. Wheate

The anticancer metal complex [(1,10-phenanthroline)(1S,2S-diaminocyclohexane)platinum(ii)]2+ forms a supramolecular complex with multi-walled carbon nanotubes through π–π stacking.

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  ii) Complex onto the Surface of a Carbon Nanotube via π–π Stacking&title=Australian Journal of Chemistry&date=9999&volume=9999&spage=&epage=&aulast=Houston&aufirst=Stephanie A." target="_blank" >  | Supplementary Material (254 KB)
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Published online 28 April 2016
3D Ln–Organic Frameworks Featuring Lantern-Shaped Dihelicate Chains: Synthesis and Magnetic and Photophysical Properties 
Shengyun Liao, Peiyao Du, Yanping Zhang, Xin Fu, Wen Gu and Xin Liu

A series of novel 3D Ln–organic frameworks ([Ln(tia)(C2O4)0.5(H2O)]) with excellent magnetic and luminescent properties have been designed and synthesised.

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    | Supplementary Material (319 KB)
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Published online 28 April 2016
Double-Headed Nucleotides: Building Blocks for New Nucleic Acid Architectures 
Pawan K. Sharma, Pawan Kumar and Poul Nielsen

Double-headed nucleotides are designed for using the recognition potential of the additional nucleobases in various nucleic acid constructs. Presented here is a review of the double-headed nucleotide monomers investigated so far and their effects in nucleic acid duplexes and other secondary structures.

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Published online 26 April 2016
An Organobase (TBD)-Anchored Mesoporous Silica Nanoparticle-Catalyzed Green Synthesis of Dihydropyrano[2,3-c]pyrazoles 
Bikash Karmakar

An efficient, mild, and environmental friendly method has been developed for the synthesis of dihydropyrano[2,3-c]pyrazole over TBD-MSN catalyst by assembling ethyl acetoacetate, hydrazine hydrate, different aldehydes, and malononitrile affording the product in excellent yields. The catalyst was reused several times with retention of activity.

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Published online 19 April 2016
Photoinitiated Synthesis of Sulfides in Water 
Sergio A. Rodriguez, Leandro D. Mena and Maria T. Baumgartner

This paper reports a synthetic route to obtain aryl sulfides using inexpensive and non-toxic reactants and water as solvent, that avoids the use of catalysts or heating. The photoinduced reaction between soluble substrates and a series of thiols in alkaline aqueous medium produces the corresponding sulfides in moderate to good yields.

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    | Supplementary Material (287 KB)
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Published online 18 April 2016
A Green Approach for the Synthesis of Novel 7,11-Dihydro-6H-chromeno[3,4-e]isoxazolo[5,4-b]pyridin-6-one Derivatives Using Acidic Ionic Liquid [C4mim][HSO4] 
Sudesh Kumari, M. Rajeswari and Jitender M. Khurana

A multicomponent reaction capable of affording a wide range of novel 7,11-dihydro-6H-chromeno[3,4-e]isoxazolo[5,4-b]pyridin-6-one derivatives via one-pot three-component condensation of 4-hydroxycoumarin, aromatic aldehydes, and 5-amino-3-methylisoxazole in ionic liquid [C4mim][HSO4] is reported.

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    | Supplementary Material (4.2 MB)
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Published online 15 April 2016
Trimethylsilyl Isothiocyanate (TMSNCS) 
Rosana Helena C. N. Freitas

The versatility of trimethylsilyl isothiocyanate (TMSNCS) as a reagent is impressive, especially in heterocycle synthesis. TMSNCS is also commonly used in reactions of thiocyanation and isothiocyanation. The advantages of TMSNCS are moderated toxicity, chemical stability, high tolerance with other functional groups, and ease of handling. This paper highlights a selection of many different and recently reported types of reactions that this reagent is able to promote.

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Published online 14 April 2016
Theoretical Investigation of Oxidative Cleavage of Cholesterol by Dual O2 Activation and Sulfide Reduction 
Richmond Lee and Michelle L. Coote

Theoretical calculations are used to explore a plausible mechanism for oxidative cleavage of cholesterol mediated by two ground-state O2 molecules and methionine.

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    | Supplementary Material (742 KB)
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Published online 12 April 2016
Preparation and Characterization of Copper(ii) and Nickel(ii) Complexes with N-Benzyliminodiacetamide Derivatives 
Neven Smrečki, Vladimir Stilinović, Maja Merkaš, Andrea Lučić, Boris-Marko Kukovec and Zora Popović

Copper(ii) and nickel(ii) complexes with N-benzyliminodiacetamide derivatives, RN(CH2CONH2)2 (R= ortho-methylbenzyl, meta-methylbenzyl, para-methylbenzyl, ortho-chlorobenzyl, meta-chlorobenzyl, para-chlorobenzyl, para-fluorobenzyl, and para-bromobenzyl), were prepared and characterized by infrared spectroscopy and thermal analysis (thermogravimetric and differential thermal analyses). N-Benzyliminodiacetamide derivatives form stable complexes with copper(ii) and nickel(ii), but not with cobalt(ii), under the experimental conditions described in this paper. The X-ray structural analysis revealed octahedral coordination of nickel(ii) and copper(ii) ions in these complexes.

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  ii) and Nickel(ii) Complexes with N-Benzyliminodiacetamide Derivatives&title=Australian Journal of Chemistry&date=9999&volume=9999&spage=&epage=&aulast=Smrečki&aufirst=Neven" target="_blank" >  | Supplementary Material (2.2 MB)
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Published online 12 April 2016
Heteronuclear NMR Spectroscopic Investigations of Gallium Complexes of Substituted Thiosemicarbazones Including X-Ray Crystal Structure, a New Halogen Exchange Strategy, and 18F Radiolabelling 
T. K. Venkatachalam, G. K. Pierens, Paul. V. Bernhardt, D. H. R. Stimson, R. Bhalla, L. Lambert and D. C. Reutens

Five thiosemicarbazone ligands have been synthesized and their coordination chemistry with gallium investigated. All compounds have been fully characterized by NMR and X-ray crystal structures of two of the complexes are reported. Additionally, the positron emitting isotope 18F was introduced in the structure of the diphenyl gallium thiosemicarbazone complex using a halogen exchange method.

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Published online 07 April 2016
Therapeutic Potential of miR-494 in Thrombosis and Other Diseases: A Review 
Jasmine Tay, Jim Tiao, Quintin Hughes, Grace Gilmore and Ross Baker

Many studies have identified the microRNA, miR-494, as a regulator of many cellular processes, and we have demonstrated the role of miR-494 in regulating thrombosis via direct targeting of the anticoagulant factor, Protein S. Changes in miR-494 levels have been reported to be detectable in various biological fluids, thus making miR-494 a good diagnostic marker and therapeutic target.

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Published online 04 April 2016
A Highly Selective Chemosensor for Naked-Eye Detection of Fluoride and Aluminium(iii) Ions Based on a New Schiff Base Derivative 
Masoumeh Orojloo and Saeid Amani

Receptor L proved to be a colorimetric fluoride (F), dihydrogen phosphate (H2PO4), and aluminium(iii) sensor. This new chromogenic receptor shows selective coloration for the above ions. The sensor showed a colour change upon addition of fluoride, dihydrogen phosphate, or aluminium(iii) ions.

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  iii) Ions Based on a New Schiff Base Derivative&title=Australian Journal of Chemistry&date=9999&volume=9999&spage=&epage=&aulast=Orojloo&aufirst=Masoumeh" target="_blank" >  | Supplementary Material (798 KB)
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Published online 04 April 2016
Organic Light-Emitting Diodes Based on a Solution-Processable Benzimidazole-Functionalised Cationic Iridium Complex 
Xiujuan Zhi, Bin Du and Sichun Yuan

The non-doped electroluminescent device with the configuration ITO/PEDOT : PSS/Ir-complex/TPBI/Ba/Al using cationic iridium complex as emissive layer emits orange light (λmax = 594 nm) with an external quantum efficiency of 5.6 %, a luminance efficiency of 9.3 cd A–1, and a power efficiency of 3 lm W–1.

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Published online 01 April 2016
Anticancer Evaluation of Tris(triazolyl)triazine Derivatives Generated via Click Chemistry 
Tamer El Malah, Hany F. Nour, A. A. Nayl, R. A. Elkhashab, Farouk M. E. Abdel-Megeid and Mamdouh M. Ali

Click chemistry has been utilised for the preparation of seven new dendrimers. The anticancer potential of the new compounds was evaluated against various human cancer cell lines. The results revealed the high anticancer potential of compound G1a with no toxicity on normal cells in comparison with the standard drug doxorubicin.

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    | Supplementary Material (593 KB)
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Published online 29 March 2016
Density Functional Computations on 6-Aminouracil: Effect of Amino Group in the 6th Position on the Watson–Crick Base Pair Uridine–Adenosine 
M. Alcolea Palafox and V. K. Rastogi

Differences in the interaction of 5-aminouridine and 6-aminouridine with 2′-deoxyadenosine. The Fourier transform infrared and Fourier transform Raman spectra of 6-aminouracil were determined.

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    | Supplementary Material (22 KB)
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Published online 23 March 2016
Capto-Dative Stabilization by Thermal Oxidation of 2-Oxo-1,2,3,4-tetrahydropyrimidines 
Hamid R. Memarian, Esmael Sanchooli, Hadi Amiri Rudbari and Giuseppe Bruno

The steric and electronic effects of aryl substitution on the oxidation of various 4,6-diaryl-2-oxo-1,2,3,4-tetrahydropyrimidines were investigated. A capto-dative stabilized radical intermediate involved in the reaction governs the type of product formed.

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    | Supplementary Material (1.6 MB)
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Published online 23 March 2016
Practical Isolation of Asperuloside from Coprosma quadrifida via Rapid Pressurised Hot Water Extraction 
Bianca J. Deans, Alex C. Bissember and Jason A. Smith

Multigram quantities of asperuloside, a glycoside natural product, have been isolated from Coprosma quadrifida in a time-efficient and practical manner via rapid pressurised hot water extraction employing an unmodified household espresso machine. By this approach one of the highest yields of asperuloside from a plant species was obtained.

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    | Supplementary Material (1.9 MB)
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Published online 18 March 2016
Comparison of Conventional and Microwave Heating for Evaluation of Microwave Effects 
Péter Bana and István Greiner

A convenient method is devised to eliminate most of the irreproducibility observed in microwave-heated organic transformations. This approach was applied in the investigation of microwave effects in a reaction of 2-chloropyridine. The observed differences in reaction rates were traced back to thermal differences, while non-thermal effects could not be detected.

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    | Supplementary Material (666 KB)
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Published online 15 March 2016
A Novel Self-Assembled Hierarchical-Structured Catalyst for the Diffusion of Macromolecules 
Wei Ding, Dingcong Wang, Dezhi Zhao and Ming Ke

A novel self-assembled hierarchical catalyst, FA-Z30, is prepared and applied to FCC diesel hydrodesulfurization. Average conversion rates per unit volume of HDS, HDN, and HDArs are higher due to the continuous and interconnected porous structure (54% of total pore volume in the range 30–60 nm) and increased sulfidity at 75 %.

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    | Supplementary Material (635 KB)
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Published online 11 March 2016
Effect of Co-Crystal Formers on the Supramolecular Patterns and Luminescence Properties of Co-Crystals Comprising Fenbufen and Diverse N-Heterocycles 
Fa-Yuan Ge, Li-Hua Huo, Shu-Nan Zhao, Zhao-Peng Deng, Zhu-Yan Zhang and Shan Gao

Four co-crystals have been obtained from the reaction of fenbufen and different N-heterocycles by grinding method or solution evaporation. Structural analyses indicate that the conformations of Fbf molecules are highly related to the lone pair···π, C–H···π, or C–H···O interactions, which lead to the formation of diverse supramolecular patterns.

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    | Supplementary Material (395 KB)
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Published online 04 March 2016
Structural Diversity and Properties of Six ZnII/CdII Coordination Polymers Based on an O-Bridged Semi-Rigid Bis-pyridyl-bis-amide and Different Dicarboxylates 
Xiu-Li Wang, Xiao-Mei Wu, Guo-Cheng Liu, Nai-Li Chen, Hong-Yan Lin and Xiang Wang

Six new 2D ZnII/CdII coordination polymers have been synthesized via hydrothermal or solvothermal reaction. The photoluminescence properties and photocatalytic activities of the title complexes have been studied.

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    | Supplementary Material (1.2 MB)
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Published online 29 February 2016
Synthesis, Structural Characterisation, DFT Studies, and Spectroscopic Properties of Copper(I) Complexes with Extended C–H⋅⋅⋅π Interactions 
Ting-Hong Huang, Jia-Qin Liu, Hu Yang, Bin Zhao and Jianping Shang

Two copper(i) complexes, [Cu(phen)(PPh2(o-C6H4CHO))2](BF4)2 (1) and [Cu2(4,4′-bipy)(phen)2(PPh2(o-C6H4CHO))2](BF4)2·2CH3CN (2), have been prepared and characterised.

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Published online 29 February 2016
Co-Condensation Assisted Preparation of MoVI Schiff Base Modified Mesoporous Silica Catalyst for Enhanced Epoxidation of Olefins 
Jian Zhang, Pingping Jiang, Yirui Shen, Guohu Zhao, Weijie Zhang and Gang Bian

An organic–inorganic catalyst was prepared by the reaction of p-salicylidine aminobenzoic acid with mesoporous silica modified by 3-chloropropyl groups. This involved the hydrolysis and co-condensation of tetraethylorthosilicate and 3-chloropropyltrimethoxysilane and the introduction of MoO2(acac)2 into mesoporous silica functionalized with a Schiff base ligand. The heterogeneous catalyst showed good catalytic activities in the liquid-phase epoxidation of olefins.

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    | Supplementary Material (66 KB)
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blank image Australian Journal of Chemistry
Volume 69 Number 7 2016
RESEARCH FRONT: 35th Australasian Polymer Symposium

 
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Table of Contents 
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35th Australasian Polymer Symposium (APS) Research Highlights 
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Amanda V. Ellis and Greg G. Qiao
pp. 699-700

This introduction sets the background to this special issue containing papers collected from the 35th Australasian Polymer Symposium (35APS) which was held on the Gold Coast, Queensland, from 12 to 15 July 2015. These works illustrate both the multidisciplinary nature and the breadth and depth of contemporary polymer science and engineering that was discussed at this meeting.

 
 

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Poly(3-hexylthiophene) End-Functionalization via Quenching Resulting in Heteroatom-Bond Formation 
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Lauren J. Kang and Christine K. Luscombe
pp. 701-704

Poly(3-hexylthiophene) (P3HT) is a widely used material in organic electronics for its positive characteristics such as solution processability, desirable electronic properties, and stability. Changing the end-functional groups of P3HT to incorporate chalcogens opens up the opportunity to control and alter interactions with different materials, such as inorganic nanoparticles and nanowires.

 
  
 

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Amino Acid Functional Polymers: Biomimetic Polymer Design Enabling Catalysis, Chiral Materials, and Drug Delivery 
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Emma R. L. Brisson , Zeyun Xiao and Luke A. Connal
pp. 705-716

Amino acids are nature’s highly functional building blocks. The design and synthesis of polymers functionalized with amino acids enable the production of truly biomimetic materials. Herein, we focus on the amino acids as a functional moiety that can be used strategically to achieve targeted properties in functional polymers, and summarize their emerging applications.

 
  
 

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Bioinspired Polymers: Antimicrobial Polymethacrylates 
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Katherine E. S. Locock
pp. 717-724

Naturally occurring AMPs have been honed by Mother Nature to give highly safe and efficacious antimicrobials that form part of many organisms’ immune systems. By studying these peptides, synthetic polymer mimics can be designed that hold potential as anti-infective therapeutics. This review traces the development of the antimicrobial polymethacrylates.

 
 

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High Glass Transition Temperature Fluoropolymers for Hydrophobic Surface Coatings via RAFT Copolymerization 
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Molly Rowe , Guo Hui Teo , James Horne , Omar Al-Khayat , Chiara Neto and Stuart C. Thickett
pp. 725-734

A series of copolymers of 2,3,4,5,6-pentafluorostyrene (PFS) and N-phenylmaleimide (NMI) were prepared by RAFT polymerization to yield materials with both a high glass transition temperature (Tg) and a hydrophobic nature. A significant increase in Tg was measured relative to predicted values due to π–π interactions between adjacent PFS and NMI units in the polymer chain. Hydrophobicity of the surface coatings was largely independent of the copolymer composition.

 
    | Supplementary Material (1.2 MB)
 

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Stability of Polymer Interlayer Modified ITO Electrodes for Organic Solar Cells 
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Anirudh Sharma , Zandra George , Trystan Bennett , David A. Lewis , Gregory F. Metha , Gunther G. Andersson and Mats R. Andersson
pp. 735-740

Work function stability of indium-tin-oxide (ITO) electrodes modified using polymeric interlayers of ethoxylated polyethylenimine (PEIE) and poly(3,3′-([(9′,9′-dioctyl-9H,9′H-[2,2′-bifluorene]-9,9-diyl)bis(4,1-phenylene)]bis(oxy))bis(N,N-dimethylpropan-1-amine)) (PFPA-1) is reported. Origin of work function change as a result of aging, is understood by analysing the changes in the interfacial dipole and the molecular realignment of polymers on the surface.

 
    | Supplementary Material (352 KB)
 

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Phase Separated Block Copolymer Particles with Tuneable Morphologies: Striped, Onion, and Patchy Particles 
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Chao Chen , Zeyun Xiao and Luke A. Connal
pp. 741-745

Morphologies of poly(2-vinyl pyridine)-block-poly(dimethylsiloxane) (P2VP-b-PDMS) diblock copolymers can be tuned by controlling the interfacial energy using functional surfactants. For symmetric block copolymers, onion-like or axially stacked particles can be engineered depending on the composition of surfactant mixtures. Utilising asymmetric copolymers with a dominant P2VP domain non-conventional patchy particles are observed.

 
    | Supplementary Material (535 KB)
 

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Synthesis and Binding Affinity of Fluorine Containing NG-acyl and -sulfonyl BIBP3226 Derivatives: Ligands for the NPY Y1 Receptor 
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Nigel A. Lengkeek , Maxine P. Roberts , Lei Zhang , I- , Chieh J. Lee , Christopher J. R. Fookes , Branko Dikic , Herbert Herzog , Andrew Katsifis and Ivan Greguric
pp. 746-752

Neuropeptide Y (NPY) receptors are abundant in a range of tumours hence are a molecular target for tumour imaging and therapy. A series of NG-substituted derivatives of the NPY receptor antagonist, BIBP3226, were prepared aiming to improve its current usability and to incorporate a positron-emitting radioisotope for development in positron emission tomography radiopharmaceuticals.

 
    | Supplementary Material (275 KB)
 

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Prospects of Spin Catalysis on Spin-Polarized Graphene Heterostructures 
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Pavel V. Avramov , Pavel B. Sorokin , Alex A. Kuzubov , Seiji Sakai , Shiro Entani and Hiroshi Naramoto
pp. 753-758

Ab initio density functional theory calculations were used to examine the feasibility of running spin-catalytic reactions on graphene 2D ferromagnetic heterostructures. The spin states of the substrates strongly influenced parameters of Ni adatom extreme points of potential energy surfaces on graphene. This phenomenon offers unique possibilities to control chemical reactions on graphene deposited on different ferromagnetic supports.

 
  
 

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Ionic Thiourea Organocatalysis of the Morita–Baylis–Hillman Reaction 
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Trevor McGrath , Katherine N. Robertson , Jason D. Masuda , Jason A. C. Clyburne and Robert D. Singer
pp. 759-762

An ionic thiourea-based organocatalyst has been shown to promote a 1,4-diazabicyclo[2.2.2]octane, (DABCO) catalyzed Morita–Baylis–Hillman reaction between benzaldehyde and cyclohex-2-en-1-one. Entrainment of the ionic thiourea co-catalyst in the ionic liquid N-butyl-N-methylpyrrolidinium bistriflimide, [BMPyr][N(Tf)2], facilitates catalyst recycling and affords very good yields with reduced reaction times through use of microwave heating.

 
    | Supplementary Material (662 KB)
 

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Synthesis and Photocleavage of Quinoline Methyl Ethers: A Mild and Efficient Method for the Selective Protection and Deprotection of the Alcohol Functionality 
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Anthony A. Provatas , Gary A. Epling and James D. Stuart
pp. 763-769

The synthesis and photocleavage of quinolinyl methyl ether-protected alcohols is reported in this study. Photocleavage of the quinolinyl methyl ether moiety proceeded under visible light with the formation of the charged quinolinyl radical intermediate through a single-electron transfer in the presence of a photosensitizer dye leading to the deprotected alcohol in excellent yields

 
  
 

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A Concise Synthesis of Racemic Lorcaserin 
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Bin Xu , Jincai Su , Jing Wang and Guo-Chun Zhou
pp. 770-774

A new and concise synthesis of racemic lorcaserin was described. Key intermediate asymmetrical imide 11 was prepared by the reaction of nitrile and acid, and efficiently reduced by NaBH4, AlCl3, and trimethylsilyl chloride into amine 8a, which could be cyclized into racemic lorcaserin ((±)-1).

 
    | Supplementary Material (487 KB)
 

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Anisotropic 2s2p Orbitals as Simple Descriptors of the Chirality of Carbon Centres 
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Kunming Xu
pp. 775-784

As a breakthrough in quantum chemistry, anisotropic 2p electronic orbitals are introduced instead of isotropic ones in the X, Y and Z directions. A pair of 2pα are two one-dimensional sticks (red); 2pβ are two flat sectors (blue); 2pγ are two hemispheres (green); and 2s orbitals are two spheres. They are the root of molecular chirality when fixed by four different substituents and may account for the configurations and reaction mechanisms of various organic molecules.

 
  
 

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Rapid and Facile Synthesis of Rod-Like Ordered Mesoporous Carbon Material for Dye Adsorption from Aqueous Solution 
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Aibing Chen , Yuetong Li , Yifeng Yu , Yunhong Yu and Yonglei Li
pp. 785-789

A rapid and facile synthesis method for rod-like ordered mesoporous carbon material (OMC) was developed, in which the phenolic resin was used as the carbon source and the precursor solution of rod-like SBA-15 was employed as a hard-template. This method skipped several processes related to the preparation of SBA-15. Furthermore, the as-synthesized OMC showed excellent capacity for dye adsorption from aqueous solution.

 
    | Supplementary Material (127 KB)
 

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Zinc Oxide Nanoparticles-Immobilized Mesoporous Hollow Silica Spheres for Photodegradation of Sodium Dodecylbenzenesulfonate 
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Parisa Pourdayhimi , Pei Wen Koh , Mohamed Mohd Salleh , Hadi Nur and Siew Ling Lee
pp. 790-797

ZnO-Immobilized mesoporous hollow silica spheres photocatalysts were synthesized via impregnation method. These materials have higher activity toward photodegrading SDBS when compared with the bare ZnO nanoparticles. The photocatalytic reaction followed the second-order kinetics model.

 
  
 

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Solvothermal Synthesis of Single-Crystal Magnetite Hollow Sub-Microspheres: A Novel Formation Mechanism and Magnetic Properties 
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Gongqin Yan , Guanlin Zhao and Fei He
pp. 798-804

Single-crystal magnetite hollow sub-microspheres with a narrow diameter distribution are synthesized through a simple solvothermal process in ethylene glycol in the presence of urea and a small amount of water. The determining role of water in the solvothermal synthesis is studied. A novel formation mechanism for the solvothermal synthesis of magnetite hollow sub-microspheres is proposed based on Ostwald ripening.

 
    | Supplementary Material (277 KB)
 

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A Facile and Efficient Method for the Formation of Unsymmetrical Ureas Using DABAL-Me3 
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Byung-Hoon Jeong , Hee-Kwon Kim and David H. Thompson
pp. 805-810

A practical synthetic method for unsymmetrical ureas from 2,2,2-trichloroethyl carbamate compounds using bis(trimethylaluminum)-1,4-diazabicyclo[2.2.2]octane (DABAL-Me3) is developed. The reaction protocol provides the synthesis of a variety of unsymmetrical ureas such as tri- and tetrasubstituted ureas.

 
    | Supplementary Material (1.8 MB)
 

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Polyelectrolyte-Assisted Immobilization of Oil-Based Nanocapsules on Cotton Fabric 
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Yuwanda Iamphaojeen , Avinash P. Manian , Tom Wright , Barnaby Caven , Thomas Bechtold and Punnama Siriphannon
pp. 811-816

The facile and effective immobilization of nanocapsules containing the oil-based finishing agent on the cotton fabric was proposed using poly 4-styrenesulfonic acid (PSS) binder. The higher PSS amount, the higher quantity of immobilized nanocapsules was obtained. This method was performed at the ambient temperature using low concentrations of non-toxic chemicals.

 
  
 

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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.

    CH16236  Accepted 22 July 2016
    Novel SrO-CaO mixed-metal-oxides catalyst for ultrasonic-assisted transesterification of Jatropha oil into biodiesel
    Syed Ali, Isma Javed, Usman Rana, Muhammad Nazar, Waqas Ahmed, Asifa Junaid, Mahmood Pasha, Rumana Nazir, Rizwana Nazir
    Abstract


    CH16211  Accepted 20 July 2016
    E-cadherin aptamer conjugated delivery of doxorubicin for targeted inhibition of prostate cancer cells
    Resham Chaudhary, Kislay Roy, Rupinder Kanwar, Rakesh Veedu, Krishnakumar Subramanian, Chun Hei Antonio Cheung, Anita Verma, Jagat Kanwar
    Abstract


    CH16180  Accepted 17 July 2016
    Synthesis of a novel dibenzylamide derivative of p-tert-octylcalix[4]arene and its extraction properties towards noble metal ions
    Jee Young Kim, Yoga Priastomo, Shintaro Morisada, Hidetaka Kawakita, Keisuke Ohto, Yang Kim
    Abstract


    CH16369  Accepted 15 July 2016
    Crystal structures of the Amide and Iminol tautomers O-(3,5-dinitrobenzoyloxy)benzohydroxamate. A case of a disappearing solvate?
    Abigail Albright, Lucy Collins, John Li, Benjamin Harris, Jonathan White
    Abstract


    CH16015  Accepted 13 June 2016
    Synthesis and characterization of Co1-xCuxFe2-xAlxO4 ferrite nano-scales as a potential candidate for high density data storage applications
    Shadab Dabagh, Ali Ati, Zulkafli Othaman
    Abstract


    CH16165  Accepted 10 July 2016
    Computational studies of encapsulation of the 1,4-dihydropyridine derivatives into CNT(10,10)
    Loraine Dutra, Osmair Oliveira, José Santos
    Abstract


    CH16344  Accepted 30 June 2016
    Preparation and UCST-Type Phase Behaviors of Poly(γ-4-methylbenzyl-L-glutamate) Pyridinium Tetrafluoroborate Conjugates in Methanol or Water
    Sheng Liu, Chenglong Ge, Ying Ling, Haoyu Tang
    Abstract


    CH16250  Accepted 29 June 2016
    Preparation of Magnetic Surface-Imprinted Polymer Microsphere with Hydrophilic External Layers for Selective Extraction of Fluoroquinolones from Eggs
    Yun-Kai Lv, Xue Xiong, Fang-Fang Zhao, Meng-Zhe Li, Mian Wang, Xiao-Yang Li
    Abstract


    CH16200  Accepted 28 June 2016
    Oxidative N-Dealkylation of tertiaryamines with tetraethylammonium periodate, catalysed by metal complexes
    Daisy Bhat, Nidhi Sharma
    Abstract


    CH16239  Accepted 22 June 2016
    (Diacetoxyiodo)benzene: more than an oxidant
    Rosana Freitas
    Abstract


    CH16318  Accepted 21 June 2016
    S-S Bond Formation: Nano-Catalysts in the Oxidative Coupling of Thiols
    Lotfi Shiri, Arash Ghorbani-Choghamarani , Mostaffa Kazemi
    Abstract


    CH16214  Accepted 20 June 2016
    Al2O3 Microspheres Prepared by Cathode Plasma Electrolysis
    Chenxu Liu, Jin Zhang, Yedong He, Peng Wang, Shunjie Deng, Shunguang Zhang
    Abstract


    CH16322  Accepted 19 June 2016
    Optimised Syntheses of the Half-Sandwich Complexes FeCl(dppe)Cp*, FeCl(dppe)Cp, RuCl(dppe)Cp* and RuCl(dppe)Cp
    Josef Gluyas, Neil Brown, Julian Farmer, Paul Low
    Abstract


    CH14725  Accepted 10 March 2015
    Perspective view of Metal Organic Frameworks and other existing materials as a drug delivery carrier
    Nawsad KABIR, Chizoba Ezugwu, Francis Verpoort
    Abstract


14


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 8 September 2015
3D-Printable Biodegradable Polyester Tissue Scaffolds for Cell Adhesion

Justin M. Sirrine, Allison M. Pekkanen, Ashley M. Nelson, Nicholas A. Chartrain, Christopher B. Williams and Timothy E. Long

2. Published 8 September 2015
RhI-Catalyzed Stille-Type Coupling of Diazoesters with Aryl Trimethylstannanes

Zhen Liu, Ying Xia, Sheng Feng, Shuai Wang, Di Qiu, Yan Zhang and Jianbo Wang

3. Published 8 September 2015
Enhanced Squaraine Rotaxane Endoperoxide Chemiluminescence in Acidic Alcohols

Evan M. Peck, Allen G. Oliver and Bradley D. Smith

4. Published 15 March 2016
Molecular Electronics: History and Fundamentals

Santiago Marqués-González and Paul J. Low

5. Published 15 December 2015
Exploring the Catalytic Reactivity of Nickel Phosphine–Phosphite Complexes

Sven S. Kampmann, Nikki Y. T. Man, Allan J. McKinley, George A. Koutsantonis and Scott G. Stewart

6. Published 28 October 2015
Perovskite Solar Cells Based on Nanocrystalline SnO2 Material with Extremely Small Particle Sizes

Hongxia Wang, Md Abu Sayeed and Teng Wang

7. Published 15 December 2015
Complete Stereocontrol in the Synthesis of Harmonine and Novel Analogues Facilitated by a Grubbs Z-Selective Cross-Metathesis Catalyst

Steven-Alan G. Abel, Wesley J. Olivier, Richard L. Pederson, Alex C. Bissember and Jason A. Smith

8. Published 15 December 2015
The Synthesis and Biological Evaluation of Anithiactin A/Thiasporine C and Analogues

Richard A. Lamb, Michael P. Badart, Brooke E. Swaney, Sinan Gai, Sarah K. Baird and Bill C. Hawkins

9. Published 17 May 2016
Antimicrobial Properties of Mono- and Di-fac-rhenium Tricarbonyl 2-Pyridyl-1,2,3-triazole Complexes

Sreedhar V. Kumar, Warrick K. C. Lo, Heather J. L. Brooks, Lyall R. Hanton and James D. Crowley

10. Published 15 December 2015
Allyl Sulfides: Reactive Substrates for Olefin Metathesis

Justin M. Chalker

11. Published 28 October 2015
Enantioselective Photochemical Rearrangements of Spirooxindole Epoxides Catalyzed by a Chiral Bifunctional Xanthone

Mark M. Maturi, Alexander Pöthig and Thorsten Bach

12. Published 4 August 2015
Chemistry of the Synthetic Strigolactone Mimic GR24

Liam J. Bromhead, Jason Smith and Christopher S. P. McErlean

13. Published 15 December 2015
Synthesis of Non-Symmetrical and Atropisomeric Dibenzo[1,3]diazepines: Pd/CPhos-Catalysed Direct Arylation of Bis-Aryl Aminals

Tim Wezeman, Yuling Hu, John McMurtrie, Stefan Bräse and Kye-Simeon Masters

14. Published 15 December 2015
Synthesis and Properties of Photoswitchable Carbohydrate Fluorosurfactants

Yingxue Hu, Joshua B. Marlow, Rajesh Ramanathan, Wenyue Zou, Hui Geok Tiew, Matthew J. Pottage, Vipul Bansal, Rico F. Tabor and Brendan L. Wilkinson

15. Published 8 September 2015
Investigation of the Photophysical Properties of a Eu3+ Coordination Polymer Bearing an α-Nitrile Substituted β-Diketonate Ligand via Emission and Ultrafast Transient Absorption Spectroscopy

Brodie L. Reid, Evan G. Moore, Brian W. Skelton, Mark I. Ogden and Massimiliano Massi

16. Published 8 September 2015
Total Radiosynthesis: Thinking Outside ‘the Box'

Steven H. Liang and Neil Vasdev

17. Published 8 February 2016
New Cytotoxic Norditerpenes from the Australian Nudibranchs Goniobranchus Splendidus and Goniobranchus Daphne

Yuichiro Hirayama, Peter L. Katavic, Andrew M. White, Gregory K. Pierens, Lynette K. Lambert, Anne E. Winters, Hideo Kigoshi, Masaki Kita and Mary J. Garson

18. Published 6 October 2015
New, Homochiral Synthons Obtained through Simple Manipulations of Enzymatically Derived 3-Halo-cis-1,2-dihydrocatechols

Lorenzo V. White, Ping Lan, Brett D. Schwartz, Anthony C. Willis and Martin G. Banwell

19. Published 15 December 2015
Brønsted Acid-Mediated Radical Processes in Organic Synthesis

Thomas P. Nicholls, Luke C. Henderson and Alex C. Bissember

20. Published 15 March 2016
Activation Volumes for the Hydration Reactions of Carbon Dioxide

William Conway, Debra Fernandes, Carlos Rodríguez, Robert Burns, Manuel Martínez and Marcel Maeder


      
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