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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 31 August 2015
Visible Light-Promoted Metal-Free Reduction of Organohalides by 2-Naphthyl or 2-Hydroxynaphthyl-Substituted 1,3-Dimethylbenzimidazolines 
Eietsu Hasegawa, Kazuma Mori, Shiori Tsuji, Kazuki Nemoto, Taku Ohta and Hajime Iwamoto

Visible light excitation of 2-naphthyl- or 2-hydroxynaphthyl-substituted 1,3-dimethylbenzimidazolines (DMBIH) promoted the reduction reaction of some organohalides, involving the cleavage of aromatic as well as aliphatic carbon–halogen bonds. Addition of certain bases, such as 1,8-diazabicyclo[5.4.0]undec-7-ene, significantly enhanced the reducing ability of hydroxynaphthyl-substituted DMBIH.

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    | Supplementary Material (86 KB)
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Published online 31 August 2015
Controlled Delivery of Levothyroxine Using Porous Silicon as a Drug Nanocontainer 
Soheila Kashanian, Elham Rostami, Frances J. Harding, Steven J. P. McInnes, Sameer Al-Bataineh and Nicolas H. Voelcker

Capitalizing on the large loading capacity, biocompatibility and bioresorbability of porous silicon, films for the controlled delivery of the prohormone levothyroxine were fabricated. Amine functionalization of the films increased loading capacity by 50 % and sustained drug release under physiological conditions for 14 days. ELISA based release confirmed that levothyroxine was not deactivated or degraded.

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    | Supplementary Material (123 KB)
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Published online 31 August 2015
Allyl Sulfides: Reactive Substrates for Olefin Metathesis 
Justin M. Chalker

Allyl sulfides have emerged as useful promoters for olefin metathesis. This review highlights how the enhanced reactivity of allyl sulfides in olefin metathesis has been leveraged in organic synthesis, medicinal chemistry, and chemical biology.

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Published online 31 August 2015
Enzymatic Digestion of Keratin for Preparing a pH-Sensitive Biopolymer Hydrogel 
Tao Li, Xiaochun Yin, Wenzhong Zhai, Yu-Feng He and Rong-Min Wang

Keratin has a wide variety of sources, is inexpensive and abundant in nature. This paper describes a simple and efficient enzymatic digestion method to pig hair keratin. A type of pH-sensitive keratin-based biopolymer hydrogel with excellent swelling properties and pH-sensitive drug release properties was prepared.

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Published online 31 August 2015
Synthesis and Characterization of a New Group of Exo-Coordinating O2N2-Donor Macrocycles 
Bahram Ghanbari, Barzin Safarkoopayeh (Agheli), Reze Kia and Paul R. Raithby

We show the synthetic route of O2N2-donor macrocycles mounted with 1,3-diazacyclohexane subrings, which could aid in the production of neuronal blocking drugs or the manufacture of high-energy materials.

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    | Supplementary Material (146 KB)
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Published online 28 August 2015
Total Radiosynthesis: Thinking Outside ‘the Box' 
Steven H. Liang and Neil Vasdev

A new avenue to develop radiotracers that were previously unattainable owing to the lack of efficient radiosynthetic methods is necessary to work towards our ultimate, albeit impossible goal – the concept we term total radiosynthesis – to radiolabel virtually any molecule.

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Published online 28 August 2015
Activation Volumes for the Hydration Reactions of Carbon Dioxide 
William Conway, Debra Fernandes, Carlos Rodríguez, Robert Burns, Manuel Martínez and Marcel Maeder

The reactions of CO2 in aqueous solutions are among the most fundamental reactions relevant to the chemical environment. Investigation of the kinetic reactions for CO2 hydration accompanied by systematic changes in pressure can be utilised to probe the corresponding activation volume profiles and transition states for CO2 hydration via the spontaneous and alkaline pathways.

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    | Supplementary Material (114 KB)
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Published online 27 August 2015
Aryl Naphthoates: A Conformational Analysis Supported by Single-Crystal X-Ray Diffraction 
Jorge L. Jios, Rudolf Wartchow, Gustavo A. Echeverría and Helmut Duddeck

The solid state conformations of 12 title compounds as determined by X-ray diffraction were described in terms of co-planarity, intramolecular steric interference, and crystal packing effects. The configuration of the molecules adopted in the crystal was interpreted with the assistance of theoretical calculations and the observed C=O stretching vibrations.

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Published online 27 August 2015
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

Aplytandiene-3 and six new metabolites with ‘gracilin’-type carbon skeletons are isolated from Goniobranchus splendidus. The structure of gracilin G is revised and a C-6 configuration deduced by 1D and 2D NMR spectroscopy. Goniobranchus daphne yields a lactone with a rearranged spongionellin-type skeleton. Selected isolated metabolites are cytotoxic against a HeLa S3 cell line.

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    | Supplementary Material (902 KB)
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Published online 27 August 2015
Iridium-Catalyzed Triborylation of 3-Substituted Indoles 
Andrew S. Eastabrook and Jonathan Sperry

Readily available 3-substituted indoles undergo a regioselective, iridium-catalyzed triborylation at the C2, C5, and C7 sites, providing tetrasubstituted indoles in a single step.

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    | Supplementary Material (1.1 MB)
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Published online 25 August 2015
Assembly of New Merocyanine Chromophores with a 1,8-Naphthalimide Core by a New Method for the Synthesis of the Methine Function 
Aleksey A. Vasilev, Stanislav Baluschev, Diana Cheshmedzhieva, Sonia Ilieva, Obis D. Castaño, Juan J. Vaquero, Silvia E. Angelova and Katharina Landfester

A 2-in-1 chromophore: to piece together two chromophores into one yields a more efficient chromophore system with distinct physical and chemical characteristics. A new technique based on the application of the nitro function as a leaving group in a SN-Ar reaction is developed to circumvent the limitations of using a chlorine or bromine function in the synthesis of monomethine cyanine dyes.

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    | Supplementary Material (2.6 MB)
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Published online 25 August 2015
Photodecarboxylative Benzylations of N-Methoxyphthalimide under Batch and Continuous-Flow Conditions 
Hossein Mohammadkhani Pordanjani, Christian Faderl, Jun Wang, Cherie A. Motti, Peter C. Junk and Michael Oelgemöller

Photodecarboxylative benzylations of N-methoxyphthalimide were successfully realized and gave the corresponding benzylated hydroxyphthalimidines in moderate to good yields of 52–73 %. The photobenzylation was furthermore investigated in an advanced continuous-flow photoreactor, which enabled rapid optimization of the reaction conditions and achieved good yields after short residence times.

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    | Supplementary Material (229 KB)
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Published online 24 August 2015
Use of Modified γ-Alumina Nanoparticles for the Extraction and Preconcentration of Trace Amounts of Cadmium Ions 
Ali Mirabi, Ali Shokuhi Rad, Mohammad Reza Jamali and Nasim Danesh

Nanometre-sized γ-alumina coated with sodium dodecyl sulfate–4-(2-pyridylazo)resorcinol was developed as a new sorbent towards the solid phase extraction for preconcentration of ultra-trace quantities of cadmium ions as a prior step to their determination by flame atomic absorption spectrometry.

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Published online 21 August 2015
Hydrogel-Derived Soft Materials for Biomimetic and Energy-Related Functions 
Goudappagouda , Vivek Chandrakant Wakchaure, Kayaramkodath Chandran Ranjeesh and Sukumaran Santhosh Babu

Hydrogel-derived materials demonstrate potential to deliver excellent biomimetic and energy-related applications. The recent developments point to a bright future for these soft functional materials.

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Published online 17 August 2015
The Nucleophilic Addition of In Situ Generated Calcium Thiolate of Benzonitrile to the Sidewall of Single-Walled Carbon Nanotubes: A New and Direct Approach for Thioamidation 
Hossein Reza Darabi, Atefeh Roozkhosh and Kioumars Aghapoor

A new and efficient covalent thioamidation of single-walled carbon nanotubes (SWCNTs) consisting of a direct nucleophilic addition of calcium thiolate to the sidewalls of the tubes has been developed for the first time.

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Published online 17 August 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

A new family of photoswitchable carbohydrate fluorosurfactant is described. Novel fluorosurfactants were synthesised using the copper(i)-catalysed azide–alkyne cycloaddition reaction and were isolated in moderate to high yields. These materials displayed unusual photocontrollable surface tension and selective antibacterial activity that was dependent on the carbohydrate and regiochemistry of the fluoroalkyl group.

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    | Supplementary Material (1.8 MB)
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Published online 14 August 2015
Preparation of Uniform BiOI Nanoflowers with Visible Light-Induced Photocatalytic Activity 
Feng Cao, Xin Lv, Jun Ren, Linqing Miao, Jianmin Wang, Song Li and Gaowu Qin

Uniform 3D hierarchical BiOI nanoflowers were developed via a facile solvothermal method. The obtained BiOI sample presents favourable recycling characteristics for mixed organic dye photodegradation, thereby presenting significant potential for practical wastewater treatment.

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Published online 14 August 2015
Kinetic Studies of Gold Recovery from Diluted Chloride Aqueous Solutions Using Activated Carbon Organosorb 10 CO 
Marek Wojnicki, Ewa Rudnik, Magdalena Luty-Błocho, Robert P. Socha, Zbigniew Pędzich, Krzysztof Fitzner and Krzysztof Mech

Scanning electron microscopy images of the activated carbon surface after adsorption process are shown. The external surface of the porous material was covered by the metallic particles. A random distribution of the metallic particles inside the activated carbon pores was observed.

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Published online 14 August 2015
Solid–Liquid Reaction Synthesis of High-Purity Potassium Hexathionate and Its Antibacterial Properties 
Guofang Li, Yahui Xia, Yanbao Zhao, Ping Li, Fuqiang Zhang and Peng Qu

High-purity potassium hexathionate, with effective antibacterial and bactericidal activities, was prepared through a convenient process from sodium thiosulfate (solid) and disulfur dichloride.

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Published online 11 August 2015
A Facile Preparation of α-Aryl Carboxylic Acid via One-Flow Arndt–Eistert Synthesis 
Shinichiro Fuse, Yuma Otake, Yuto Mifune and Hiroshi Tanaka

An efficient, one-flow Arndt–Eistert synthesis was demonstrated. A sequence of acid chloride formation–nucleophilic acyl substitution–Wolff rearrangement–nucleophilic addition was performed in a microflow system without isolating any intermediates, which included a potentially explosive compound. The microflow system was made from simple, inexpensive, and readily available instruments and tubes.

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    | Supplementary Material (7.1 MB)
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Published online 11 August 2015
One-Pot Synthesis of Substituted Piperidinones and 3,4-Dihydropyrimidinones Using a Highly Active and Recyclable Supported Ionic Liquid Phase Organocatalyst 
Pankaj Sharma, Manjulla Gupta, Monika Gupta and Rajive Gupta

This paper describes the synthesis of 1-ethyl-3-methylimidazolium ethyl sulfate [EMIM][EtSO4] and its application in supported form (SILPOC) for the synthesis of piperidinones and pyrimidinones.

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    | Supplementary Material (3.2 MB)
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Published online 07 August 2015
Host–Guest Inclusion System of Luteolin with Polyamine-β-cyclodextrin: Preparation, Characterisation, Anti-oxidant and Anti-cancer Activity 
Manshuo Liu, Rongqiang Liao, Yulin Zhao and Bo Yang

The water solubility, anti-oxidant activity and anti-cancer activity of LU were significantly increased in the inclusion complex with polyamine-β-cyclodextrin. The LU/CDs complex will be useful for its application as herbal medicine or healthcare product.

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    | Supplementary Material (1.3 MB)
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Published online 07 August 2015
Synthesis and Characterisation of High Fullerene Content Polymers and Their Use in Organic Photovoltaic Devices 
Sean M. Clark, Jonathan A. Campbell and David A. Lewis

Narrow dispersity polymers with tethered fullerenes were synthesised and fabricated into organic photovoltaic devices, achieving up to 0.4 % efficiency.

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Published online 07 August 2015
Contrasting Behaviour of Exciplex Ensembles in the Diastereodifferentiating Paternò–Büchi Reaction of Chiral Cyanobenzoate with Naphthyl- and Phenylethenes on Direct or Charge-Transfer Excitation 
Keisuke Nagasaki, Yoshihisa Inoue and Tadashi Mori

The effect of solvent polarity and temperature, as well as excitation wavelength, was examined for the diastereoselectivities of the Paternó-Büchi reaction of chiral cyanobenzoate with 1-(1-naphthyl)-1-phenylethene to reveal the different nature of the excited charge-transfer complex (ECT) and the conventional exciplex (EX). The exciplex ensemble was critically modulated by increased donor–acceptor interactions.

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    | Supplementary Material (908 KB)
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Published online 05 August 2015
Synthesis and Characterization of Mesoporous Tin Oxide-Functionalized Reduced Graphene Oxide Nanoplatelets for Ultrasensitive Detection of Guaiacol in Red Wines 
Tian Gan, Zhaoxia Shi, Kaili Wang, Junyong Sun, Zhen Lv and Yanming Liu

Mesoporous tin oxide-functionalized reduced graphene oxide (SnO2-rGO) is prepared through a simple hydrothermal method. A subsequent study reveals that SnO2-rGO film-modified electrode exhibits excellent sensitivity and reproducibility for the ultrasensitive detection of guaiacol in red wine samples.

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    | Supplementary Material (331 KB)
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Published online 05 August 2015
Colorimetric Detection of Nitroaromatics Using Organic Photochromic Compounds 
George Vamvounis and Nicholas Sandery

Colorimetric detection of nitroaromatics using an organic photochromic compound is demonstrated.

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Published online 05 August 2015
Kinetics of Hydrolysis of N-Methyl-2,4-dithiophenobarbital 
Monika Tarsa, Małgorzata Starek, Grzegorz Żuchowski, Anna Stasiewicz-Urban and Marek Cegła

Using N-methyl-2,4-dithiofenobarbital as an example, we investigated how the position of the methyl group, and introducing a second sulfur atom in place of oxygen in the carbonyl group, affects the rate of hydrolytic degradation. The method was also applied to study the effect of pH and temperature and a probable pathway of chemical changes.

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Published online 04 August 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

A one-dimensional Eu3+ coordination polymer bearing α-CN substituted β-diketonate and 1,10-phenanthroline ligands was prepared and revealed red emission in the solid state. Analysis of the polymer after re-dissolution and ultrafast transient absorption for model compounds provides some insight into the sensitisation efficiency from the β-diketonate to Eu3+.

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    | Supplementary Material (962 KB)
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Published online 04 August 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

Synthesis and characterization of a biocompatible, biodegradable, and 3D-printable polyester (poly(tri(ethylene glycol) adipate) dimethacrylate) are demonstrated for suitability in vascularized soft-tissue scaffolding applications.

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    | Supplementary Material (374 KB)
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Published online 29 July 2015
Photocatalysis with TiO2 Applied to Organic Synthesis 
Norbert Hoffmann

Titanium dioxide is a versatile inexpensive heterogeneous photocatalyst. Apart from many applications in environmental chemistry, numerous applications in organic synthesis have been reported. Selective oxidation and reduction of organic compounds and C–C bond formation reactions have been carried out.

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Published online 29 July 2015
Carbon-Doped Hollow Titania with Tuneable Shell Architecture for Supercapacitors 
Juanrong Chen, Fengxian Qiu, Ying Zhang and Shunsheng Cao

Carbon-doped hollow anatase spheres, prepared in situ by directly carbonizing cationic polystyrene templates, exhibit outstanding capacitor performances compared to that of undoped P25.

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Published online 28 July 2015
Construction of a New ZnII Coordination Polymer for Selective Fluorescence Sensing of CCl4 
Jiang-Tao Li, Yan-Li Dong and Jing Li

A new ZnII coordination polymer based on trinuclear [Zn3(COO)6] cluster subunits has been obtained under solvothermal conditions. Luminescence properties for the title compound dispersed in different organic solvents reveal that it has a unique selectivity for detection of CCl4 molecules via a fluorescence quenching mechanism.

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    | Supplementary Material (294 KB)
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Published online 24 July 2015
Photoinduced Cycloadditions in the Diversity-Oriented Synthesis Toolbox: Increasing Complexity with Straightforward Post-Photochemical Modifications 
Weston J. Umstead, Olga A. Mukhina, N. N. Bhuvan Kumar and Andrei G. Kutateladze

Unprecedented molecular architectures are accessed via intramolecular cycloadditions of photogenerated azaxylylenes. The approach is well-aligned with diversity-oriented synthesis, whereby photoprecursors are synthesised in a modular fashion allowing for up to four diversity inputs, with the complexity of the primary photoproducts being further enhanced using high-yielding post-photochemical steps.

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    | Supplementary Material (971 KB)
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Published online 24 July 2015
Water-Soluble Copolypeptides with Oligo-Ethylene-Glycol and Benzyl Pendants: Synthesis, Characterization, and Thermoresponsive Properties 
Yu Yang, Yan Wu, Ruirui Li, Ying Ling and Haoyu Tang

A series of random copolypeptides, i.e. poly(γ-propyl-l-glutamate)-graft-(oligo-ethylene-glycol)-random-poly(γ-benzyl-l-glutamate)s (PPLG-g- OEG3-ran-PBLG) with similar main chain lengths and various compositions of oligo-ethylene-glycol (OEG) and benzyl pendants were readily prepared in three steps, including ring-opening polymerization, nucleoplilic substitution, and copper-mediated alkyne–azide 1,3-dipolar cycloaddition. The cloud point temperature, in the range of 22–53°C, can be readily obtained by controlling the OEG/benzyl composition.

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Published online 24 July 2015
Immobilization of BiOBr/BiOI Hierarchical Microspheres on Fly Ash Cenospheres as Visible Light Photocatalysts 
Li Lin, Ya Wang, Manhong Huang and Donghui Chen

Three-dimensional (3D) BiOBr/BiOI hierarchical microspheres were successfully fabricated on the surface of fly ash cenospheres (FACs) via a facile one-pot solvothermal method for the first time. The photophysical properties of the as-prepared samples were fully characterized. The photodegradation tests examining the removal of rhodamine B from water under visible light irradiation (λ > 420 nm) showed that BiOB/BiOI-FACs displayed superior photocatalytic activity to BiOBr-FACs and BiOI-FACs. The enhanced photocatalytic activity mechanism of BiOB/BiOI-FACs was proposed.

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Published online 21 July 2015
Tuning the Light Absorption of Donor–Acceptor Conjugated Polymers: Effects of Side Chains and ‘Spacer' Units in Thieno[3,4-b]pyrazine-Fluorene Copolymers 
Michael E. Mulholland, Kristine L. Konkol, Trent E. Anderson, Ryan L. Schwiderski and Seth C. Rasmussen

Donor–acceptor (D-A) copolymers of thieno[3,4-b]pyrazine (TP) and fluorene are reported in order to illustrate the ability to tune the light absorption properties of TP-based materials via basic structure–function relationships.

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    | Supplementary Material (373 KB)
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Published online 20 July 2015
Photophysical Properties of Rare Earth Diclofenac Complexes in the Solid State 
Gina Kaup, Marina M. Lezhnina, Denise Meiners, Peter C. Junk and Ulrich H. Kynast

Efficient luminophores with quantum yields of 48 % were obtained for Tb(diclo)3phen and Tb(diclo)3bipy complexes, while analogous Eu3+ complexes remained inefficient with quantum yields below 13 %.

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    | Supplementary Material (192 KB)
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Published online 17 July 2015
A New Protocol for Total Synthesis of Natural Product Frutinone A and Its Derivatives 
Kang Lei, Dong-Wei Sun, Yuan-Yuan Tao and Xiao-Hua Xu

A new protocol for total synthesis of natural product frutinone A was accomplished in three steps by using inexpensive 2′-hydroxyacetophenone as starting material. Twenty target compounds were synthesized. The synthetic route features good yield, transition metal-free and mild reaction conditions, and high tolerance for functionality, thereby allowing easy substitutions around the frutinone A core.

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    | Supplementary Material (13.2 MB)
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Published online 17 July 2015
Enantioselective Photochemical Rearrangements of Spirooxindole Epoxides Catalyzed by a Chiral Bifunctional Xanthone 
Mark M. Maturi, Alexander Pöthig and Thorsten Bach

The photochemical rearrangement of spirooxindole epoxides was performed catalytically with a chiral bifunctional xanthone. The substrates are non-covalently bound via hydrogen bonds to the photochemically active catalyst, which presumably acts as a triplet sensitizer. Upon irradiation with λ 366 nm, the 3-acylindolin-2-ones were formed in high yields (85–98 %) and with enantioselectivities up to 33 % ee.

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    | Supplementary Material (5.7 MB)
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Published online 17 July 2015
A New Method for the Label-Free Detection of Vascular Endothelial Growth Factor Based on DNAzymes 
Zhuwu Lv, Ke Wang and Xiaolu Zhang

An ultrasensitive colorimetric sandwich sensor for vascular endothelial growth factor (VEGF) detection is introduced. The peroxidase-like DNAzyme catalyzes the oxidation of 2,2′-azino-bis(3-ethylbenzothiazoline)-6-sulfonic acid, which generates a blue–green colorimetric signal.

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Published online 17 July 2015
Preparation and Gas Sensing Properties of Hierarchical Flower-Shaped Bi2WO6 
Jingkun Xiao, Chengwen Song, Wei Dong, Yanyan Yin and Chen Li

The Bi2WO6 sensor exhibits ultra-fast response (1-2 s) and fast recovery time (6–12 s) in the detection of ethanol, and high selectivity to other gases such as methanol, benzene, dichloromethane, and hexane.

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Published online 16 July 2015
Perovskite Solar Cells Based on Nanocrystalline SnO2 Material with Extremely Small Particle Sizes 
Hongxia Wang, Md Abu Sayeed and Teng Wang

Tin oxide (SnO2) has been widely explored as electron-transport material in solar cells owing to its excellent mobility and transparency. This work reports on the application of SnO2 and SnO2/Sn nanoparticles in perovskite solar cells (PSCs). The study demonstrates a new approach to improve the performance of PSCs through material engineering.

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Published online 15 July 2015
Fabrication of TiO2/Ag/Ag2O Nanoparticles to Enhance the Photocatalytic Activity of Degussa P25 Titania 
Safyan A. Khan, Shahid Ali, Manzar Sohail, Mohamed A. Morsy and Zain H. Yamani

A simple chemical reduction approach was used to synthesize Ag nanoparticles (NPs) over a reputed photocatalyst, Degussa P25 titania. Ag NPs were then partially oxidized by treatment with hydrogen peroxide. The resulting P25/Ag/Ag2O nanocomposite exhibited better photodegradation activity than P25 and Ag3PO4 for non-biodegradable dyes under visible light irradiation.

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Published online 13 July 2015
DFT and SERS Study of Adsorption of 1,4-Dimethoxy-2-nitro-3-methylanthracene-9,10-dione onto Silver Nanoparticles 
K. Geetha, T. N. Rekha, M. Umadevi, Beulah J.M. Rajkumar, G.V. Sathe, P. Vanelle, T. Terme and O. Khoumeri

The adsorption mechanism, orientation of 1,4-dimethoxy-2-nitro-3-methylanthracene-9,10-dione molecule onto silver surface, and charge transfers have been investigated based on DFT and SERS methods. As anthraquinone derivatives have been recently used as potent anti-tumour drugs, the adsorption studies reported in the current investigation can pave way to the potential application of DMNMAD in drug delivery.

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Published online 09 July 2015
Diverse Structures and Physicochemical Properties of Four Zinc–Tripyridyltriazole Coordination Polymers Regulated by Counter-Ions 
Xi Wang and Ya-Mei Guo

The construction of four distinct ZnII coordination polymers has been successfully achieved based on a neutral versatile tripyridyltriazole linker, the diverse structures of which can be effectively regulated by the synergistic modulation of counter-ions and adaptable conformations of the organic linker.

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    | Supplementary Material (429 KB)
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Published online 07 July 2015
Study of Vertical and Lateral Charge Transport Properties of DPP-Based Polymer/PC61BM Films Using Space Charge Limited Current (SCLC) and Field Effect Transistor Methods and their Effects on Photovoltaic Characteristics 
Leanne Murphy, Bin Sun, Wei Hong, Hany Aziz and Yuning Li

Vertical and lateral carrier mobilities of a polymer donor–PC61BM system were measured with the space charge limited current (SCLC) and field-effect transistor methods. Some blend films annealed at high temperatures exhibited an abrupt increase in the field-effect hole mobility, which was interpreted by an antiplasticization effect.

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    | Supplementary Material (282 KB)
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Published online 07 July 2015
2-Aryl-1,3-dimethylbenzimidazolines as Effective Electron and Hydrogen Donors in Photoinduced Electron-Transfer Reactions 
Eietsu Hasegawa and Shin-ya Takizawa

2-Aryl-1,3-dimethylbenzimidazolines (DMBIHs) act as effective electron and hydrogen donors for photoinduced electron-transfer reduction of various organic substrates in which photoexcitation of the substrates as well as photosensitization utilizing substituted pyrenes or transition metal complexes as sensitizers are carried out.

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Published online 03 July 2015
Alternating Ring-Opening Copolymerization of Cyclohexene Oxide and Maleic Anhydride with Diallyl-Modified Manganese(III)–Salen Catalysts 
Dengfeng Liu, Zhao Zhang, Xingmei Zhang and Xingqiang Lü

The ring-opening copolymerization of CHO and maleic anhydride (MA) in bulk and solution was studied in detail using a series of diallyl-modified (salen)Mn complexes. The best catalytic performances were obtained using the following copolymerization procedure: CHO/MA/catalyst/DMAP molar ratio of 250 : 250 : 1 : 1, polymerization time of 300 min, and reaction temperature of 110°C in toluene.

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Published online 01 July 2015
Decarboxylation versus Acetonitrile Loss in Silver Acetate and Silver Propiolate Complexes, [RCO2Ag2(CH3CN)n]+ (where R = CH3 and CH3C≡C; n = 1 and 2) 
Jiawei Li, George N. Khairallah and Richard A. J. O'Hair

Fragmentation of the complexes [RCO2Ag2(CH3CN)n]+ (n = 1 and 2) is dictated by the R group. Decarboxylation is preferred over loss of a coordinated acetonitrile for R = CH3C≡C, but ligand loss is the sole pathway when R = CH3.

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    | Supplementary Material (2.4 MB)
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Published online 30 June 2015
Microreactor-Mediated Benzylic Bromination in Concentrated Solar Radiation 
Young Joon Kim, Myung Jin Jeong, Ji Eun Kim, Insik In and Chan Pil Park

Sunlight-induced bromination of benzylic compounds was conducted in a capillary microreactor without an artificial light source or additional temperature control. These reactions can be considered to be eco-friendly.

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    | Supplementary Material (498 KB)
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Published online 30 June 2015
Structural Reevaluation of the Crystalline Methylenedigallic Acids 
Sebastian M. Marcuccio and Kathleen A. Turner

Truth is stranger than fiction. New insights into an old reaction reveal that the major product from the condensation of gallic acid with formaldehyde is not methylenedigallic acid, but rather the more complex calixarene.

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    | Supplementary Material (1.2 MB)
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Published online 30 June 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

The illustrated and homochiral synthons are readily available through the application of novel rearrangement chemistries to certain enzymatically derived cis-1,2-dihydrocatechols.

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    | Supplementary Material (1.4 MB)
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Published online 29 June 2015
A Label-Free Colorimetric Biosensor for 17β-Estradiol Detection Using Nanoparticles Assembled by Aptamer and Cationic Polymer 
Dongwei Zhang, Weilin Zhang, Jiayun Ye, Shenshan Zhan, Bing Xia, Jing Lv, Hanchu Xu, Gaoshang Du and Lumei Wang

In this paper, a sensitive and selective biosensor for the detection of 17β-estradiol (E2) was developed using gold nanoparticles (AuNPs), label-free E2-specific aptamer, and poly(diallyldimethylammonium chloride) (PDDA).

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Published online 26 June 2015
Efficiently Converting CO2 into C2H4 using a Porphyrin–Graphene Composite Photocatalyst 
Meihua Piao, Nan Liu, Yanshu Wang and Chunsheng Feng

Novel photocatalysts consisting of porphyrin and graphene were designed to reduce CO2 to hydrocarbons under visible light. These catalysts can (1) effectively reduce CO2 to hydrocarbons, particularly to C2H4; (2) selectively control the photogenerated electrons transfer from graphene to CO2 rather than H2O; and (3) induce reduction and oxidation on different components of the photocatalyst, thus reducing the complexity of investigating the mechanism of the photocatalyst.

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Published online 24 June 2015
Propargyloxyproline Regio- and Stereoisomers for Click-Conjugation of Peptides: Synthesis and Application in Linear and Cyclic Peptides 
Susan E. Northfield, Simon J. Mountford, Jerome Wielens, Mengjie Liu, Lei Zhang, Herbert Herzog, Nicholas D. Holliday, Martin J. Scanlon, Michael W. Parker, David K. Chalmers and Philip E. Thompson

A range of isomers of Fmoc-propargyloxyproline have been prepared to give access to proline-linked peptide conjugates. Such conjugates can retain the binding affinity and/or binding conformation of the parent peptide as shown with studies of ligands for the Y1 receptor and HIV integrase.

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    | Supplementary Material (1.1 MB)
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Published online 22 June 2015
Syntheses and Structures of Homodinuclear (Na–Na) and Heterodinuclear (Cu–Na, Cu–K) Metal Complexes 
Rui Jia, Ting Gao, Ruoxi Chen, Yu Yang, Po Gao, Yan Wang and Pengfei Yan

We examine two types of heterodinuclear metal complexes [CuIINaI(HL1)2(SbF6)]n (1) and [CuIIKI(HL1)2(PF6)]n (2), which are derived from the tridentate ligand o-vanillin (HL1), including transition metal ions (CuII) and main group metal ions (NaI and KI). Furthermore, we utilise N,N′-ethylene-bis(3-methoxysalicylideneimine) (H2L2), a kind of Schiff base, to synthesise a homodinuclear sodium complex [Na2(H2L2)2] (3) and studied the structure of this complex.

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    | Supplementary Material (177 KB)
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Published online 17 June 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

A RhI-catalyzed cross-coupling of diazoester with arylstannane was developed, which represents the first Stille-type coupling that uses a diazo compound as the coupling partner. The reaction provides an alternative approach for the synthesis of α-aryl esters. RhI–carbene migratory insertion process is suggested to be involved as the key step in this Stille-type coupling.

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    | Supplementary Material (1.1 MB)
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Published online 16 June 2015
The Cooperative Effect in Dendronized Chitosan Microbeads 
Ana Agustina Aldana, Miriam C. Strumia and Marisa Martinelli

Dendronized chitosan beads are synthesized and used for Cu2+ adsorption. The cooperative effect is observed due the proximity of the periphery groups of the dendron, and a significant contribution to catalysis is due to the presence of the dendron.

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    | Supplementary Material (333 KB)
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Published online 12 June 2015
C-Terminal Modifications Broaden Activity of the Proline-Rich Antimicrobial Peptide, Chex1-Arg20 
Wenyi Li, Julien Tailhades, M. Akhter Hossain, Neil M. O'Brien-Simpson, Eric C. Reynolds, Laszlo Otvos, Frances Separovic and John D. Wade

C-Terminal modifications extended the antibacterial activity of a proline-rich peptide to other Gram-negative species. Such modifications may aid in the development of more potent proline-rich antimicrobial peptides with a greater spectrum of activity against Gram-negative bacteria than the parent peptide.

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    | Supplementary Material (118 KB)
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Published online 09 June 2015
Investigation of the Effects of Various Cyclodextrins on the Stabilisation of Human Serum Albumin by a Spectroscopic Method 
Mohsen Oftadeh, Golamreza Rezaei Behbahani, Ali Akbar Saboury and Shahnaz Rafiei

The binding parameters between cyclodextrins (CDs) and human serum albumin (HSA) were investigated. The obtained heats for HSA+CDs interactions were reported and analysed in terms of the extended solvation model. The binding constants and thermodynamic parameters were obtained.

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Published online 05 June 2015
A Simple, One-Pot Synthesis of Trans-Substituted Spiro [5,5] undecane-1,5,9-triones with Aromatic Aldehydes and Meldrum's Acid as the Starting Materials 
Jingping Ou-Yang, Yu Zhao, Huailei Jiang, Lingxin Meng, Xingshu Li and Xian Jia

A simple, one-pot process for the construction of substituted spiro[5,5]undecane-1,5,9-triones, using aromatic aldehydes and Meldrum’s acid, and aniline as a catalyst, is reported. In contrast to previous literature, this method endows excellent diastereoselectivity to the trans-substituted products. The method is characterized by its simple operation, commercial availability of all materials, mild reaction conditions, and moderate-to-good chemical yields.

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    | Supplementary Material (1.5 MB)
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Published online 05 June 2015
Indole-3-carbinol and 1,3,4-Oxadiazole Hybrids: Synthesis and Study of Anti-Proliferative and Anti-Microbial Activity 
Nikhila Gokhale, Naveen Panathur, Udayakumar Dalimba and Manjunatha Kumsi

The paper illustrates the anti-proliferative and anti-microbial studies of novel well-characterized molecular entities bearing (2-(5-mercapto-1,3,4-oxadiazol-2-yl)-1-methyl-1H-indol-3-yl)methanol derivatives.

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    | Supplementary Material (1.1 MB)
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Published online 05 June 2015
Syntheses of Cytosporones A, C, J, K, and N, Metabolites from Medicinal Fungi 
Andrew M. Beekman and Russell A. Barrow

The syntheses of cytosporones A, (±)-C, and N and the first syntheses of cytosporones J and K are described. Key steps included homologation of a benzoic acid using Birch reductive alkylation conditions, acylation of the appropriate phenyl acetate derivative, and a selective reductive lactonization. The synthesized products were evaluated for their biological activity with all compounds displaying antimicrobial activity.

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    | Supplementary Material (2.1 MB)
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Published online 04 June 2015
Facile Synthesis of Hierarchical CuO Microspheres and their Gas Sensing Properties for NOx at Room Temperature 
Wanzhen Song, Hongyuan Wu, Jingchao Wang, Yufei Lin, Jiabao Song, Yu Xie, Li Li and Keying Shi

Hierarchical CuO microspheres have been successfully synthesised via a facile reflux method by changing the precursor concentration. The CuO-2 sensor exhibits a high NOx gas sensing performance to 97.0 ppm NOx at room temperature. The enhanced gas sensing could be ascribed to the well aligned microstructures and the improved conductivity of the CuO-2 sample.

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    | Supplementary Material (575 KB)
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Published online 03 June 2015
Combination of Pyridinium and Isoquinolinium Ylides with Phenylisocyanate and Isothiocyanates: Synthesis, Characterisation, and X-Ray Crystal Structures of Mesoionic Monosubstituted 3-Oxo-Propanamides or Thioamides 
Mohammad Seifi, S. Yousef Ebrahimipour, Jim Simpson, Michal Dusek, Vaclav Eigner and Hassan Sheibani

Pyridinium ylides derived from 2-bromoacetophenone or methyl bromoacetate have been reacted with phenylisocyanate, phenyl- or methylisothiocyanate to afford the mesoionic monosubstituted 3-oxo-propanamides or thioamides, via self-protonation of the intermediate N-anion. A similar reaction of isoquinolinium ylides with phenylisocyanate under the same conditions or phenyisothiocyante produced the corresponding mesoionic compounds.

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    | Supplementary Material (1.3 MB)
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Published online 03 June 2015
Structure, Chemical Composition, and Catalytic Behaviour of Stoichiometric and Non-Stoichiometric LaMnO3 Toward Deep Oxidation of Ethanol 
Hammami Ramzi and Habib Batis

Three kinds of Mn-containing perovskites La0.8MnO3–δ, LaMnO3+δ and LaMn0.8O3–δ have been investigated for ethanol deep oxidation in the temperature range 100–300°C. La0.8MnO3-δ shows the best catalytic activity, due to its low surface basicity (lowest La/Mn ratio) and high redox properties (highest Mn4+/Mn3+ ratio).

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    | Supplementary Material (188 KB)
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Published online 01 June 2015
Improving Cycling Performance of LiMn2O4 Battery by Adding an Ester-Functionalized Ionic Liquid to Electrolyte 
Tao Dong, Suojiang Zhang, Liang Zhang, Shimou Chen and Xingmei Lu

LiMn2O4 has attracted great attention because of its excellent merits for application in lithium-ion batteries. However, it suffers from rapid capacity fading during electrochemical cycling. In this article, N-methylpyrrolidinium-N-acetate bis(trifluoromethylsulfonyl)imide was designed as an additive to electrolyte for improving the electrochemical performance of Li/LiMn2O4 half-cells.

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    | Supplementary Material (226 KB)
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Published online 01 June 2015
Thermoregulated Aqueous Biphasic Catalysis of Sonogashira Reactions 
Xiaohua Zhao, Xiang Liu and Ming Lu

An environmentally friendly, water-based catalytic system for Sonogashira reactions is described, which allows separation of product and catalyst by a simple variation of temperature without the need for any organic solvent. The novel catalytic system exhibits high efficiency and excellent reusability. In addition, the Sonogashira reactions are performed in air using Pd(OAc)2 without a copper co-catalyst.

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    | Supplementary Material (477 KB)
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Published online 29 May 2015
Synthesis of Eu-Doped Bi2O3/CeO2 Composite with Enhanced Photocatalytic Activity by a Facile Sol–Gel–Calcination Route 
Fengjun Zhang, Guosheng Xiao, Wei Lu, Tianye Wang, Limin Xuan and Jie Yu

Eu-Doped Bi2O3/CeO2 composites can be synthesized by a facile sol–gel–calcination route. The as-prepared composites possessed smaller band gap and higher visible light response properties than Bi2O3/CeO2. The as-prepared composites exhibited enhanced photocatalytic activity towards the degradation of methyl orange under visible light irradiation.

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Published online 27 May 2015
Syntheses of Iron(0) Complexes of Symmetrical Trialkylphosphines with Three Terminal Vinyl Groups, P((CH2)mCH=CH2)3 
Georgette M. Lang, Dirk Skaper, Takanori Shima, Michael Otto, Leyong Wang and John A. Gladysz

(BDA)Fe(CO)3 (BDA = benzylideneacetone) is sequentially treated with P((CH2)mCH=CH2)3 (m = 4–8), NO+BF4, and n-Bu4N+X (X = Cl, Br, I, CN) to give three series of trigonal bipyramidal trans bis(phosphine) complexes, 2 (60–75 %), 3 (88–98 %), and 4-X (73–93 %), all of which can potentially undergo three-fold intramolecular ring-closing metatheses to give gyroscope-like complexes VII.

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    | Supplementary Material (252 KB)
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Published online 27 May 2015
Enhanced Squaraine Rotaxane Endoperoxide Chemiluminescence in Acidic Alcohols 
Evan M. Peck, Allen G. Oliver and Bradley D. Smith

The chemiluminescence of squaraine rotaxane endoperoxide is greatly enhanced in acidic alcohol solvents. The interlocked rotaxane structure is necessary for the increased chemiluminescence, which is most likely due to an O–O cleavage process that produces a squaraine excited state.

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    | Supplementary Material (1.8 MB)
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Published online 25 May 2015
Fe(dppe)(η5-C5Me5)-Based Phenylalkynyl Complexes Featuring an NO2 End Group: A Theoretical Analysis 
Hiba Sahnoune, Nicolas Gauthier, Katy Green, Karine Costuas, Frédéric Paul and Jean-François Halet

Electronic structures and optical properties of a series of compounds Fe(dppe)(η5-C5Me5){[C≡C(1,4-C6H4)]nNO2} (13; n = 1–3) were investigated using density functional theory and time-dependent density functional theory computations. The extension of the carbon-rich chain has a moderate influence on the electronic properties of the compounds in their ground state, but affects notably their spectroscopic properties, with some unexpected hypsochromic shift of the lower energy absorption bands upon carbon chain lengthening.

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    | Supplementary Material (8 KB)
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Published online 25 May 2015
Formation of Carbanions from Carboxylate Ions Bearing Electron-Withdrawing Groups via Photoinduced Decarboxylation: Addition of Generated Carbanions to Benzaldehyde 
Yuta Kumagai, Takashi Naoe, Keisuke Nishikawa, Kazuyuki Osaka, Toshio Morita and Yasuharu Yoshimi

The photoinduced decarboxylation of carboxylate ions bearing electron-withdrawing groups using biphenyl and 1,4-dicyanonaphthalene leads to the efficient generation of carbanions under mild conditions. In particular, the cyanomethyl anion formed using this photochemical method can be added to benzaldehydes to give the corresponding adducts.

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    | Supplementary Material (3.7 MB)
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Published online 21 May 2015
N,N-Dialkyl-N′-Chlorosulfonyl Chloroformamidines in Heterocyclic Synthesis. Part XII. Synthesis and Reactivity of the Pyrazolo[3,4-e][1,2,4]thiadiazine Ring System 
Rebecca E. Norman, Michael V. Perkins, Andris J. Liepa and Craig L. Francis

N,N-Dialkyl-N′-chlorosulfonyl chloroformamidines 1 regioselectively reacted with 1-substituted 5-aminopyrazoles 2 to afford pyrazolo[3,4-e][1,2,4]thiadiazine dioxides 3. Methylation of 3 occurred at N2, N4, and N6. Benzylation occurred preferentially at N2. Alkylation at N6 with ethyl bromoacetate resulted in pyrazole ring expansion affording pyrimido[4,5-e][1,2,4]thiadiazines. Compounds 3 were unreactive towards acylating agents.

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    | Supplementary Material (1.1 MB)
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Published online 21 May 2015
Synthesis, Characterization, and Nanocatalysis Application of Core–Shell Superparamagnetic Nanoparticles of Fe3O4@Pd 
Ariel L. Cappelletti, Paula M. Uberman, Sandra E. Martín, Martín E. Saleta, Horacio E. Troiani, Rodolfo D. Sánchez, Raúl E. Carbonio and Miriam C. Strumia

Core–shell superparamagnetic nanoparticles consisting of a magnetite (Fe3O4) core and a palladium (Pd0) shell, stabilized by oleylamine, were synthesized and characterized extensively. The catalytic activity and reusability of the nanoparticles in a Suzuki–Miyaura coupling reaction were investigated, obtaining promising results.

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    | Supplementary Material (430 KB)
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Published online 19 May 2015
Synthesis and Properties of Amphipathic Poly(d,l-lactide-co-glycolide)-polyethylene glycol-poly(d,l-lactide-co-glycolide) Triblock Copolymers 
Wenyao Zhen, Yannan Zhu, Weiping Wang and Zhaosheng Hou

Amphipathic PLGA-PEG-PLGA triblock copolymers were synthesized and characterized. The sol–gel transition occurred at lower temperature with higher copolymer concentrations and mass ratios of d,l-LA/GA. The drug release from the hydrogel showed a higher initial release followed by a slower pattern up to 120 h and the mean retention time was ~50 h.

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  d,l-lactide-co-glycolide)-polyethylene glycol-poly(d,l-lactide-co-glycolide) Triblock Copolymers&title=Australian Journal of Chemistry&date=9999&volume=9999&spage=&epage=&aulast=Zhen&aufirst=Wenyao" target="_blank" >
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Published online 15 May 2015
Assembly and Properties of Four New Metal–Organic Complexes Based on 1,4-Naphthalenedicarboxylate: Effect of Four Bis-pyridyl-bis-amide Ligands with Diverse Spacers in the Structures 
Hong-Yan Lin, Xun-Zhang Zhao, Ling Zeng, Qing-Lin Wang, Xiu-Li Wang and Guo-Cheng Liu

Four new CuII metal–organic complexes based on 1,4-naphthalenedicarboxylate and four bis-pyridyl-bis-amide ligands with different structures have been hydrothermally synthesized. The bis-pyridyl-bis-amide ligands with diverse spacers play an important role in the construction of four complexes with various structures. The thermal stabilities, fluorescence, and photocatalytic properties of complexes 14 have been reported.

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    | Supplementary Material (868 KB)
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Published online 15 May 2015
Synthesis of Co1Cu2(BHTC)2 and Its Application in Adsorption Desulfurization 
Qiming Li and Fang Li

Co1Cu2(BHTC)2 was synthesized and used in adsorption desulfurization. It exhibits a hexagonal planar microstructure and phase structure of UMCM-150. This material exhibits a higher sulfur capacity for dibenzothiopene than for benzothiopene. In addition to the pore size and shape of the metal-organic framework, the metal active sites play an important role in the adsorption process.

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Published online 08 May 2015
Nematicidal Activities of Diamides with Diphenylacetylene Scaffold Against Meloidogyne Incognita 
Jiling Li, Zhicheng Zhang, Xiaoyong Xu, Xusheng Shao and Zhong Li

A series of novel diamides based on diphenylacetylene scaffold were designed and synthesised. The conformation of the amide was restricted through the ten-membered H-bonded ring. The bioassays indicated that most of the title compounds were endowed with good nematicidal activities at the concentration of 25 mg L–1.

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    | Supplementary Material (1.1 MB)
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Published online 08 May 2015
Crystal Structure Studies towards the Synthesis and Applications of N-heterocyclic Carbene–Metal Complexes Derived from [2.2]Paracyclophane 
Wenzeng Duan, Yudao Ma, Yanmin Huo and Qingxia Yao

The crystal structures of six planar chiral NHC precursors and one NHC–Rh complex derived from [2.2]paracyclophane were described. The NHC–metal complexes were prepared and evaluated as ligands in the Rh-catalyzed asymmetric addition of phenyl boronic acid to 1-naphthaldehyde. The results were correlated to the single-crystal crystallographic studies.

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    | Supplementary Material (223 KB)
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Published online 08 May 2015
Kinetic Method Analysis of the Effect of cis- and trans-Hydroxylation on the Proton Affinity of Proline 
Vinod Kanchi and Joong-Won Shin

Cooks' kinetic method analysis shows that proton affinity of proline increases upon hydroxylation of the pyrrolidine ring. However, cis-4-hydroxyproline and trans-4-hydroxylproline have essentially the same proton affinity despite a differing extent of intermolecular interactions involving the proton. Density functional theory calculations suggest that polarizability provides a better diagnosis for proton affinity changes associated with chemical modifications of molecules.

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    | Supplementary Material (46 KB)
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Published online 05 May 2015
Adsorption of Water and Methanol on Highly Graphitized Thermal Carbon Black and Activated Carbon Fibre 
Toshihide Horikawa, Masanori Takenouchi, Duong D. Do, Ken-Ichiro Sotowa, J. Rafael Alcántara-Avila and David Nicholson

The effects of changing the concentration of the functional groups on water adsorption on activated carbon fibres which were treated by oxidation or reduction were investigated. The onset of water adsorption in the micropores shifts to lower pressure when the concentration of functional groups is high, and vice versa.

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Published online 05 May 2015
Diglycidyl Esters Cross-Linked with Low Molecular Weight Polyethyleneimine for Magnetofection 
Hao Yu, Shufeng Li, Liandong Feng, Yucheng Liu, Xiaoliang Qi, Wei Wei, Junjian Li and Wei Dong

Degradable polyethyleneimine (D-PEIs) were prepared by cross-linking diglycidyl esters with low molecular polyethyleneimine. Moreover, a type of biocompatible magnetic nanoparticles (MNPs) with negative charges was prepared to assemble with D-PEIs/DNA complexes via electrostatic interactions. The transfection efficiency and cytotoxicity of the magnetic ternary complexes were investigated.

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    | Supplementary Material (256 KB)
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Published online 30 April 2015
Tetracarboxyl-Functionalized Ionic Liquid: Synthesis and Catalytic Properties 
Miaona Feng, Guoying Zhao, Hongling Gao and Suojiang Zhang

Tetracarboxyl-functionalized biimidazolium-based ionic liquids with different anions have been synthesized and their catalytic properties tested for the synthesis of cyclic carbonates from CO2 and epoxides.

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Published online 29 April 2015
Oximes in the Isoxazolone, Pyrazolone, and 1,2,3-Triazolone Series: Experimental and Computational Investigation of Energies and Structures of E/Z Isomers of α-Oxo-Oximes in the Gas Phase and in Solution 
Rainer Koch, Hans-Joachim Wollweber and Curt Wentrup

The structures of a series of heterocyclic α-oxo-oximes were investigated experimentally and computationally. The preferred configurations of α-oxo-oximes can be understood on the basis of steric hindrance (disfavouring E isomers), lone-pair repulsion between C=O and OH groups (disfavouring ZE isomers), and, most importantly, intramolecular H-bonding (favouring ZZ isomers) and intermolecular H-bonding (favouring EE isomers).

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    | Supplementary Material (348 KB)
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Published online 28 April 2015
A Carbon Nanodots-Based Fluorescent Turn-On Probe for Iodide 
Qi Wang and Yuehuan Wu

A carbon nanodots-based fluorescent turn-on probe was established to detect iodide sensitively and selectively. The fluorescence of carbon nanodots that was quenched by Hg2+ was restored and ‘turned on’ in the presence of iodide owing to the strong tendency to form a more stable complex.

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Published online 23 April 2015
Two Efficient One-Pot Approaches for Regioselective Synthesis of New 3-Arylpyridazino[4,3-c]quinolin-5(6H)-ones 
Mehdi Rimaz

Two efficient regioselective approaches for the one-pot synthesis of 3-arylpyridazino[4,3-c]quinolin-5(6H)-one derivatives are reported. Both procedures feature high regioselectivity, mild reaction conditions, good to high yields, and operational simplicity.

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    | Supplementary Material (2.1 MB)
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Published online 22 April 2015
Synthesis and Properties of Novel Borondipyrromethene (BODIPY)-Tethered Triphenylamine Conjugates 
Yucai Wang, Junxu Liao, Bangying Wang, Hongbiao Chen, Hongbin Zhao, Min Peng and Sujuan Fan

One or two BODIPY-tethered triphenylamine conjugates exhibit significant Stokes shift. The asymmetric mono-BODIPY substituted conjugates showed an electronic distribution imbalance due to the special 3D propeller shape of triphenylamine, while the symmetric bis-BODIPY substituted ones tend to a balanced electronic distribution.

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    | Supplementary Material (1.3 MB)
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Published online 21 April 2015
Tailoring of Morphology and Optical Properties of Bishydrazone-Capped ZnSe Nanorods 
S. Sasi Florence, M. Umadevi, D. Lawrence Arockiasamy and Rita John

ZnSe nanorods have been synthesized by a wet chemical reaction method using bishydrazone as a surface capping agent. The structure, morphology, and the optical properties of the nanorods were investigated. The ZnSe nanorods have promising applications in blue emitters, solar cells, and sensors.

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Published online 17 April 2015
Triethylenetetramine-Modified P123-Occluded Zr-SBA-15 Molecular Sieve for CO2 Adsorption 
Fan-Ming Yang, Ying Liu, Lang Chen, Chak-Tong Au and Shuang-Feng Yin

A stable and renewable adsorbent for CO2 adsorption has been developed for the first time by loading triethylenetetramine (TETA) on poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide) (P123)-occluded Zr-SBA-15. The adsorbent exhibits adsorption capacity of 4.27 mmol g–1 at 50°C in a stream of 5 % CO2.

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Published online 15 April 2015
Saturated N,X-Heterocyclic Carbenes (X=N, O, S, P, Si, C, and B): Stability, Nucleophilicity, and Basicity 
Zahra Azizi, Mehdi Ghambarian, Mohammad A. Rezaei and Mohammad Ghashghaee

Several substitutions at the α-position of imidazolidin-2-ylidene alter the nucleophilicity, basicity, and stability of this N-heterocyclic carbene. Achieving new carbenes with a higher basicity is an important goal from both fundamental and practical points of view.

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    | Supplementary Material (250 KB)
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Published online 13 April 2015
Solvent-Dependent Non-Linear Optical Properties of 5,5′-Disubstituted-2,2′-bipyridine Complexes of Ruthenium(II): A Quantum Chemical Perspective 
Muhammad Ramzan Saeed Ashraf Janjua, Saba Jamil, Asif Mahmood, Atifa Zafar, Muhammad Haroon and Haq Nawaz Bhatti

Solvent effects on non-linear optical properties of 5,5′-disubstituted-2,2′-bipyridine complexes of ruthenium have been studied. The results of theoretical investigation have shown that the non-linear optical properties have significantly increased with the increase in solvent polarity.

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Published online 07 April 2015
Synthesis, Absorption, and Fluorescence Studies of Coumaryl-Labelled Amino Acids and Dipeptides Linked Via Triazole Ring 
Santosh Kumari, Sunita Joshi, S. M. Abdul Shakoor, Devesh S. Agarwal, Siva S. Panda, Debi D. Pant and Rajeev Sakhuja

Fluorophores based on 4-triazolyl, 7-hydroxy-4-triazolylmethyl, 4-O-triazolylmethyl and 7-O-triazolylmethyl coumaryl tagged amino acids and dipeptides were synthesized by copper-catalyzed [3 + 2] cycloaddition reaction between azido or alkynyl functionalized coumarins with alkynyl or azido functionalized amino acid and dipeptides, in good to excellent yields. Steady-state absorption and fluorescence properties of the synthesized conjugates were studied.

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    | Supplementary Material (2.1 MB)
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Published online 02 April 2015
Synthesis, Structure, and Catalytic Epoxidation Property of a New Phenolato and μ1,1,3-Azido Co-Bridged Polynuclear Manganese(III) Complex Derived from N,N′-Bis(5-methylsalicylidene)ethane-1,2-diamine 
Ning Wang

A new phenolato and μ1,1,3-azido co-bridged polynuclear manganese(iii) complex has been synthesised and characterised. The complex converts styrene most efficiently in the presence of PhIO and NaOCl.

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Published online 01 April 2015
Simultaneous Observation of Triplet and Singlet Cyclopentane-1,3-diyl Diradicals in the Intersystem Crossing Process 
Takemi Mizuno, Manabu Abe and Noriaki Ikeda

The rate constant of intersystem crossing (ISC), kISC ~3 × 107 s–1, for cyclopentane-1,3-diyl diradicals was unequivocally determined by the simultaneous observation of the decay process of the triplet diradical (λobs = 320 nm) and the growth process of the corresponding singlet diradical (λobs = 560 nm). The two spin states were directly observed using a long-lived singlet 2,2-dimethoxy-1,3-diphenylcyclopentane-1,3-diyl diradical.

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    | Supplementary Material (1.4 MB)
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Published online 30 March 2015
A General Method Towards Efficient Synthesis and Fluorescence Tuning of Carbon Black-Derived Carbon Dots via Controlled Liquid Oxidization 
Haoran Yuan, Denian Li, Yan Liu and Chuanxi Xiong

Controlled liquid oxidization of industrial carbon black specimens was reported for the first time as an efficient synthesis and general fluorescence tuning approach to uniform-sized carbon dots with unprecedented dually tuneable emissions. Along with the customizable pH-responsive behaviours, these carbonaceous nanolights offered a promising platform for both sensing and displaying applications.

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    | Supplementary Material (734 KB)
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blank image Australian Journal of Chemistry
Volume 68 Number 8 2015
RESEARCH FRONT: RACI Research Awards 2014

 
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Table of Contents 
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RACI Research Awards 2014 
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Curt Wentrup
pp. 1173-1173

Papers authored by RACI awardees from 2014 are presented.

 
 

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Adrien Albert Award: How to Mine Chemistry Space for New Drugs and Biomedical Therapies 
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David Winkler
pp. 1174-1182

We describe how recent developments in mathematics have catalysed the development of robust computational modelling tools for exploring large chemical spaces, for extracting meaning from large datasets, for designing bioactive agents and materials, and for making predictive, quantitative models of molecular and materials properties for medicinal and regenerative medicine applications.

 
 

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The Palladium-Catalysed Intramolecular Alder-ene (IMAE) Reactions of Certain Heteroatom-Linked 1,6-Enynes: The Formation of Hexahydro-Indoles and -Benzofurans 
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Antony L. Crisp , Jiwen Li , Ping Lan , Jeremy Nugent , Eliška Matoušová and Martin G. Banwell
pp. 1183-1189

The application of PdII-catalysed intramolecular Alder-ene (IMAE) reactions of C-, N-, and O-linked 1,6-enynes to the preparation of various carbo- and hetero-cyclic compounds is discussed. Total syntheses of the alkaloids hamayne and galanthamine using these types of processes are outlined.

 
 

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Alkali Metal Hydride Complexes: Well-Defined Molecular Species of Saline Hydrides 
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Lea Fohlmeister and Andreas Stasch
pp. 1190-1201

This review highlights the recent advances in the chemistry of well-defined alkali metal hydride complexes including their syntheses, structures, and properties. These soluble complexes have been obtained via β-hydride elimination or metathesis reactions, and show a higher reactivity compared with their parent ionic metal hydrides.

 
 

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The Importance of Motions that Accompany Those Occurring Along the Reaction Coordinate 
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Jeffrey R. Reimers
pp. 1202-1212

The ammonia inversion reaction is a torsional motion, but it also involves changing NH bond lengths. Analogously, the Kekulé motion of benzene interchanges two (hypothetical) local structures, but the CH lengths vary during the interchange. Alas spectroscopy tells us mostly about the NH and CH stretches, not the isomerization motions. This effect is general: what is important, and what spectroscopy has to tell, may be quite different things.

 
 

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Electrochemical Restructuring of Copper Surfaces Using Organic Additives and Its Effect on the Electrocatalytic Reduction of Nitrate Ions 
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Ali Balkis and Anthony P. O’Mullane
pp. 1213-1220

A simple electrochemical procedure is introduced to restructure a copper electrode into an active material for the electrocatalytic reduction of nitrate ions. The introduction of additives, such as benzyl alcohol and phenylacetic acid, into the alkaline electrolyte during the oxidation and reduction processes for restructuring copper significantly influences oxide formation and reduction. This is important for modifying the final morphology as well as the creation of surface active sites.

   | Supplementary Material (1.2 MB)
 

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Chemistry of the Synthetic Strigolactone Mimic GR24 
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Liam J. Bromhead , Jason Smith and Christopher S. P. McErlean
pp. 1221-1227

A second-generation, enantioselective synthesis of (+)-GR24 is described, alongside a novel bromo-GR24 analogue. In addition, the optimal solvent for making GR24 stock solutions is identified.

   | Supplementary Material (1002 KB)
 

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Investigation of Roughness Periodicity on the Hydrophobic Properties of Surfaces 
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Jeremiah Toster and David Lewis
pp. 1228-1232

Hydrophobic films were synthesized with a variety of silica particle sizes to investigate the effect of particle size on the contact and sliding angles of water droplets. It was found that the sliding angle has a strong correlation with the roughness periodicity of the surface, whereas the water contact angle is mostly unaffected.

 
 

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Acetylenes from Aldehydes. Preparation of Ethynylphenols and Phenylacetylenes by Flash Vacuum Pyrolysis of Isoxazolones 
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Curt Wentrup , Maria Wiedenstritt and Hans-Wilhelm Winter
pp. 1233-1236

Arylacetylenes are synthesized from aldehydes 9 via isoxazolones 10 by flash vacuum pyrolysis. This includes kinetically unstable, sensitive compounds such as the ethynylphenols reported here.

   | Supplementary Material (158 KB)
 

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Aromatic Schiff Bases Multiply Substituted with Terminal Ethynyl Groups: Potential Building Blocks for Conjugated Polymers and Oligomers 
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Sabina Stahlová , Jan Sedláček , Jan Svoboda , Miroslav Polášek and Jiří Zedník
pp. 1237-1248

Nine mostly novel aromatic Schiff bases containing from two-to-four terminal ethynyl groups and one or two methanimine groups per one molecule are reported. The applicability of compounds as building blocks for conjugated polymers is shown.

 
    | Supplementary Material (326 KB)
 

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Using Carbon Quantum Dots as Selective Photoluminescent Probes for Protein Kinase Assay 
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Yanjun Ding , Wenjing Kang , Xianzhong Xiao , Kangkai Wang , Nian Wang , HuaLi Zhang , Minghui Yang and Guoli Shen
pp. 1249-1254

Schematic illustration of the PKA kinase assay based on the aggregation and fluorescence quenching of peptide–carbon quantum dots via Zr4+ ion linkage.

 
    | Supplementary Material (314 KB)
 

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Phase Behaviours of Polybutadiene–Polyacrylic Acid Brushes in Compressed Carbon Dioxide 
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Rui Zhang , Lixiao Liu , Yicun Wen , Yu Cang , Guixin Shi , Yingyi Zhao , Xiaoling Liu , Ying Lin , Jun Xu , Zhiming Zhou and Xuhong Guo
pp. 1255-1260

In this paper, we report a novel, environmentally friendly method to separate and recover spherical polyelectrolyte brushes (SPBs). Adjusting CO2 pressure could regulate the size and some other properties of SPB. Combined temperature quenching followed by depressurization led to the precipitation of SPB.

 
  
 

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Synthesis, Structure, and Characterisation of Two New Open-Framework Zinc Phosphites of Varying Dimensionality 
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Xiao Zhang , Jin-Hua Li , Guo-Ming Wang , Zhen-Zhen Bao , Xiao-Meng Zhao , Qian Wang and Wen-Wen Jiang
pp. 1261-1267

Two new zinc phosphites, [H2hpip][Zn2(HPO3)3] (1) and [H2hpip][Zn3(HPO3)4] (2) (hpip = homopiperazine), have been synthesised by adjusting synthetic conditions. Compound 1 displays a 2D layered structure with 8-membered ring apertures, and 2 possesses a (3,4)-connected 3D architecture with intersecting 8- and 12-ring channels.

 
  
 

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Visible Light-Driven BiVO4/TiO2 Composite Photocatalysts: Preparation Methods and Photocatalytic Performance 
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Shuyun Wang , Wenjun Li , Feiwu Chen , Shaonan Gu and Zhidong Chang
pp. 1268-1275

BiVO4/TiO2 composite photocatalysts were successfully synthesised and their physical and photophysical properties were fully characterised. BiVO4/TiO2 photocatalysts fabricated by different methods exhibit higher photocatalytic activities than pure BiVO4 and TiO2, and the coprecipitated BiVO4/TiO2 composite presents the best photocatalytic activity.

 
  
 

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Preparation of Uniform Poly (Acrylamide-co-DVB) Microspheres in a Low Toxicity Solvent by Dispersion Polymerization 
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Jie He , Xiang’an Yue , Yu Sun , Xuegang Feng and Xin Tan
pp. 1276-1281

Uniform poly (acrylamide-co-DVB) microspheres (DVB = divinylbenzene) with number-average diameter varying from 1.65 to 2.86μm, polydispersity index from 1.011 to 1.176 were prepared in a low toxicity solvent, i.e. ethanol/water mixtures, by dispersion polymerization using octylphenol polyoxyethylene (10) ether as the stabilizer and 2,2′-azobisisobutyronitrile as the initiator. The yield of the uniform microspheres could be up to ~35 % by changing the conditions moderately.

 
  
 

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Synthesis and Oxidative Desulfurization of PV-Functionalized Imidazole-2-thiones: Easy Access to P-Functional Ionic Liquids 
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Paresh Kumar Majhi , Gregor Schnakenburg , Anthony J. Arduengo and Rainer Streubel
pp. 1282-1292

A series of backbone phosphanoyl group substituted imidazole-2-thiones were synthesized by low temperature lithiation and phosphanylation. Oxidative desulfurization of the imidazole-2-thiones afforded backbone phosphanoyl functionalized imidazolium ionic liquids. New entry to imidazolium ionic liquids with short chains on nitrogens of the imidazolium rings was affected via asymmetric backbone functionalization.

 
    | Supplementary Material (567 KB)
 

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Facile Refluxing Synthesis of Hydroxyapatite Nanoparticles 
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Pakvipar Chaopanich and Punnama Siriphannon
pp. 1293-1298

An effective synthesis of hydroxyapatite nanoparticles via a facile environmentally friendly refluxing route has been proposed. Furthermore, a non-toxic, water-soluble anionic polyelectrolyte, i.e. polystyrene sulfonate, was introduced into the refluxing system in order to control growth direction of hydroxyapatite. The rod-shaped hydroxyapatite nanoparticles with positive surface charge were obtained.

 
  
 

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Urothermal Syntheses, Crystal Structures, and Luminescent Properties of Two New ZnII Compounds Constructed by the Mixed Ligands of 1,2,4-Triazole and 1,4-Naphthalenedicarboxylic Acid or 2,6-Naphthalenedicarboxylic Acid 
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Haiyan Liu , Xufeng Meng , Lihui Zhang and Anqiang Jia
pp. 1299-1304

Two new coordination polymers, namely [Zn(1,4-ndc)0.5(taz)]n·n(e-urea) (1) and [Zn(2,6-ndc)0.5(taz)]n·n(H2O)·n(e-urea) (2) have been successfully synthesised by using 1,2,4-triazole and dicarboxylate ligands under urothermal conditions. Both compounds 1 and 2 feature 3D pillar-layered frameworks with 6-connected pcu topologies.

 
    | Supplementary Material (125 KB)
 

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Zero-Valent Iron Nanoparticles (NZVI) Supported by Kaolinite for CuII and NiII Ion Removal by Adsorption: Kinetics, Thermodynamics, and Mechanism 
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Jiao Wang , Guijian Liu , Tanfu Li , Chuncai Zhou and Cuicui Qi
pp. 1305-1315

Kaolinite is a suitable material for use as a skeleton to hold zero-valent iron nanoparticles (nZVI) together. Synthesized nZVI-Kaolinite was used to adsorb CuII and NiII, as representative models of metal ions. The possible removal mechanisms involved redox, adsorption, precipitation, and co-precipitation, depending on the adsorption process studied (CuII or NiII adsorption).

 
  
 

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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.

    CH15377  Accepted 27 August 2015
    Fullerene-pyrrolidine Biferrocene Donor-Acceptor Triads:Synthesis and Effects of Fullerene[60] on the Electronic Communication of the Two Ferrocene Units in Biferrocene
    Zhenyi Wu
    Abstract


    CH15338  Accepted 27 August 2015
    Three 3d-4f Tetranuclear Complexes Based on 2,3,5-Trichlorobenzoic Acid: Syntheses, Structures and Magnetic Properties
    Yu Zhang, Jimin Zheng
    Abstract


    CH15445  Accepted 26 August 2015
    N,N-Dialkyl-N’-Chlorosulfonyl Chloroformamidines in Heterocyclic Synthesis. Part XIII.* Cleavage and Rearrangement Reactions of Pyrazolo[1,5 b][1,2,4,6]thiatriazine 1,1 Dioxides.
    Rebecca Norman, Michael Perkins, Andy Liepa, Craig Francis
    Abstract


    CH15431  Accepted 27 August 2015
    Microwave-Assisted Synthesis of Nitrogen-Doped Multi-Layer Graphene Quantum Dots with Oxygen-Rich Functional Groups
    Xiaobei Hou, Yibing Li, Chuan Zhao
    Abstract


    CH15433  Accepted 25 August 2015
    Antimicrobial properties of mono- and di- fac-rhenium tricarbonyl 2-pyridyl-1,2,3-triazole complexes
    Sreehar Kumar, Warrick Lo, Heather Brooks, Lyall Hanton, James Crowley
    Abstract


    CH15407  Accepted 24 August 2015
    Studies Towards a Concise, Enantioselective Synthesis of the Roseophilins
    Daniel Kerr, Bernard Flynn
    Abstract


    CH15457  Accepted 21 August 2015
    An alternating donor-acceptor conjugated polymer based on benzodithiophene and [3,4-c]pyrrole-4,6-dione: Synthesis, characterisation and application in photovoltaic devices.
    Erika Bicciocchi, Matthias Haeussler, Ezio Rizzardo, Andrew Scully, Ken Ghiggino
    Abstract


    CH15508  Accepted 18 August 2015
    RACI Congress Adelaide
    Curt Wentrup
    Abstract


    CH15293  Accepted 14 August 2015
    Novel disulfide-containing poly(β-amino ester)s functionalized magnetic nanoparticles for efficient gene delivery.
    yucheng Liu, shufeng Li, Liandong Feng, Hao Yu, xiaoling Qi, wei Wei, junjian Li, Wei Dong
    Abstract


    CH15412  Accepted 13 August 2015
    Engineering Disorder at a Nano-scale: A Combined TEM and XAS Investigation of Amorphous vs. Nano-crystalline Sodium Birnessite
    Rosalie Hocking, Hannah King, Aimee Hesson, Shannon Bonke, Bernt Johannesson, Monika Fekete, Leone Spiccia, Shery Chang
    Abstract


    CH15484  Accepted 12 August 2015
    Photocatalytic Degradation of Gaseous Formaldehyde by Modified Hierarchical TiO2 NTs at room temperature
    Di Gu, Baohui Wang, Yanji Zhu, Hongjun Wu
    Abstract


    CH15413  Accepted 10 August 2015
    Synthesis, structures and properties of polynuclear silver(I) complexes containing tetra-phosphine ligand with Ag…C interactions
    Ting-Hong Huang, Jie Yan, Hu Yang, Changbin Tan, Yang Yan
    Abstract


    CH15460  Accepted 10 August 2015
    Synthesis and Characterisation of Bradykinin Derivatives Based on a β-Cyclodextrin Core
    Rachel Stephenson, Fran Wolber, Paul Plieger, David Harding
    Abstract


    CH15389  Accepted 10 August 2015
    Brønsted Acid-Mediated Radical Processes in Organic Synthesis
    Thomas Nicholls, Luke Henderson, Alex Bissember
    Abstract


    CH15268  Accepted 10 August 2015
    New Red Emitting Phosphor La2Zr3(MoO4)9:Eu3+ and the Influence of Host Absorption on Its Luminescence Efficiency
    Florian Baur, Thomas Jüstel
    Abstract


    CH15369  Accepted 08 August 2015
    A density functional theory investigation of the tandem radical cyclization of 1-[2-yl-3-(2-methoxyphenyl)-prop-2-enyl]-6-oxo-1,6-dihydropyridine-2-carbonitrile
    Lang Yuan, Hai-Tao Yu
    Abstract


    CH15397  Accepted 04 August 2015
    Complete Stereocontrol in the Synthesis of Harmonine and Novel Analogues Facilitated by a Grubbs Z-Selective Cross-Metathesis Catalyst
    Steven-Alan Abel, Wesley Olivier, Richard Pederson, Alex Bissember, Jason Smith
    Abstract


    CH15398  Accepted 31 July 2015
    Uncatalyzed CO2Li-Mediated SNAr Reaction of Unprotected Benzoic Acids via Silicon Trickery
    Mickael Belaud-Rotureau, Anne-Sophie Castanet, Thi Nguyen, Jacques Mortier
    Abstract


    CH15396  Accepted 30 July 2015
    Visible light-promoted metal-free reduction reaction of organohalides by 2-naphthyl or 2-hydroxylnaphthyl substituted 1,3-dimethylbenzimidazolines
    Eietsu Hasegawa, Kazuma Mori, Shiori Tsuji, Kazuki Nemoto, Taku Ohta, Hajime Iwamoto
    Abstract


    CH15381  Accepted 30 July 2015
    Aryl-substituted boron subphthalocyanines and their application in organic photovoltaics.
    Catherine Bonnier, David Josey, Timothy Bender
    Abstract


    CH15177  Accepted 25 July 2015
    Electronic structure change in DNA caused by base pair motions and its indication to charge transfer in DNA chains
    Wei Liu, Jingyao Liu, Guohui Zheng, Sanhuang Ke, Maosheng Miao, Nicholas Kioussis
    Abstract


    CH15344  Accepted 22 July 2015
    Synthetic, spectroscopic, crystallographic and biological studies of seven-coordinated diorganotin(IV) complexes derived from Schiff bases and pyridinic carboxylic acids
    Guillermo Chans, Antonio Nieto-Camacho, Teresa Ramírez-Apan, Simón Hernández-Ortega, Cecilio Álvarez-Toledano, Elizabeth Gomez
    Abstract


    CH15311  Accepted 21 July 2015
    Allyl Sulphides: Reactive Substrates for Olefin Metathesis
    Justin Chalker
    Abstract


    CH15204  Accepted 21 July 2015
    Synthesis and Characterization of a New Group of Exo-Coordinating O2N2-Donor Macrocycles
    Bahram Ghanbari, Barzin Safarkoopayeh, Reze Kia, Paul Raithby
    Abstract


    CH15315  Accepted 10 July 2015
    Controlled delivery of levothyroxine using porous silicon as a drug nanocontainer
    Soheila Kashanian, Elham Rostami, Frances Harding, Steven McInnes, Sameer Al-Bataineh, Nico Voelcker
    Abstract


    CH15224  Accepted 08 July 2015
    Enzymatic Digestion of Keratin for Preparing a pH-Sensitive Biopolymer Hydrogel
    Tao Li, Xiaochun Yin, Wenzhong Zhai, Yu-Feng He, Rong-Min Wang
    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


27


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 10 October 2014
Predicting pKa in Implicit Solvents: Current Status and Future Directions

Junming Ho

2. Published 19 January 2015
Bioisosteric Fluorine in the Clandestine Design of Synthetic Cannabinoids

Shane M. Wilkinson, Samuel D. Banister and Michael Kassiou

3. Published 10 April 2015
Facilitating Biomimetic Syntheses of Borrerine Derived Alkaloids by Means of Flow-Chemical Methods

Sonja B. Kamptmann and Steven V. Ley

4. Published 6 November 2014
Protein Immobilization in Metal–Organic Frameworks by Covalent Binding

Xuan Wang, Trevor A. Makal and Hong-Cai Zhou

5. Published 10 October 2014
The Rise of Elemental Two-Dimensional Materials Beyond Graphene

Guy Le Lay, Eric Salomon, Paola De Padova, Jean-Marc Layet and Thierry Angot

6. Published 5 December 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

7. Published 2 September 2014
Flash (Vacuum) Pyrolysis Apparatus and Methods

Curt Wentrup

8. Published 19 January 2015
Fluoropolymers: Origin, Production, and Industrial and Commercial Applications

James Gardiner

9. Published 10 October 2014
Novel Anthranilic Diamide Insecticides: Design, Synthesis, and Insecticidal Evaluation

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

10. Published 19 March 2015
Asymmetric Remote C–H Functionalization: Use of Internal Olefins in Tandem Hydrometallation–Isomerization–Asymmetric Conjugate Addition Sequences

Laura Mola, Mireia Sidera and Stephen P. Fletcher

11. Published 2 September 2014
Acanthocyclamine A From the Indonesian Marine Sponge Acanthostrongylophora ingens

Ariyanti S. Dewi, Tri A. Hadi, Nurrahmi D. Fajarningsih, Joanne T. Blanchfield, Paul V. Bernhardt and Mary J. Garson

12. Published 19 January 2015
Biosynthetic Incorporation of Fluorinated Amino Acids into Peptides and Proteins

Samuel A. Fraser and Christopher J. Easton

13. Published 5 December 2014
Membrane Protein Structures for Rational Antimicrobial Drug Design

Patricia M. Walden, Roisin M. McMahon and Julia K. Archbold

14. Published 6 November 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

15. Published 10 April 2015
The Conversion of Levoglucosenone into Isolevoglucosenone

Xinghua Ma, Natasha Anderson, Lorenzo V. White, Song Bae, Warwick Raverty, Anthony C. Willis and Martin G. Banwell

16. Published 6 November 2014
Solvent Dependent Spin-State Behaviour via Hydrogen Bonding in Neutral FeII Diimine Complexes

Kelsey A. Schulte, Stephanie R. Fiedler and Matthew P. Shores

17. Published 6 November 2014
Polyoxometalate-Supported Lanthanoid Single-Molecule Magnets

Michele Vonci and Colette Boskovic

18. Published 6 November 2014
Two-Dimensional Coordination Polymers with Spin Crossover Functionality

Natasha F. Sciortino and Suzanne M. Neville

19. Published 10 June 2015
Host–Guest Inclusion System of Scutellarin with Polyamine-β-Cyclodextrin: Preparation, Characterisation, and Anti-cancer Activity

Xue Ma, Bo Yang, Yulin Zhao, Hudie Xie and Xiaoshun Gong

20. Published 10 October 2014
Ethylene Trimerisation with Cr-PNP Catalysts: A Theoretical Benchmarking Study and Assessment of Catalyst Oxidation State

David S. McGuinness, Bun Chan, George J. P. Britovsek and Brian F. Yates


      
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