Chem. Commun.

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Synthesis of 3,3-disubstituted indoline-2-thiones catalysed by an N-heterocyclic carbene

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,8871-8874
DOI: 10.1039/C4CC04047C, CommunicationHideo Ikota, Takayuki Ishida, Chihiro Tsukano, Yoshiji Takemoto
A catalytic method has been developed for construction of indoline-2-thiones containing an all-carbon quaternary centre at the C-3 position.
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Synthesis of nitrogen heterocycles via [small alpha]-aminoalkyl radicals generated from [small alpha]-silyl secondary amines under visible light irradiation

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,8900-8903
DOI: 10.1039/C4CC03000A, CommunicationKazunari Nakajima, Mai Kitagawa, Yuya Ashida, Yoshihiro Miyake, Yoshiaki Nishibayashi
We have succeeded in the visible light-mediated synthetic use of [small alpha]-aminoalkyl radicals derived from [small alpha]-silyl secondary amines toward addition to [small alpha],[small beta]-unsaturated carbonyl compounds. The resulting [gamma]-aminocarbonyl compounds are converted into [gamma]-lactams and pyrroles in a one-pot process.
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Entrapment of alkaloids within silver: from enantioselective hydrogenation to chiral recognition

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,8868-8870
DOI: 10.1039/C4CC02823F, CommunicationHengpan Yang, Dinghui Chi, Qilong Sun, Wenwen Sun, Huan Wang, Jiaxing Lu
An organically doped silver catalyst was synthesized for enantioselective electrohydrogenation and chiral recognition with high efficiency and remarkable recycle times.
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Facile electrosynthesis of [small pi]-extended porphyrins

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,8864-8867
DOI: 10.1039/C4CC02759K, CommunicationYuanyuan Fang, Dominik Koszelewski, Karl M. Kadish, Daniel T. Gryko
Free-base porphyrins as well as their iridium and indium complexes have been electrochemically coupled, leading to [small pi]-extended macrocycles.
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Near IR excitation of heavy atom free Bodipy photosensitizers through the intermediacy of upconverting nanoparticles

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,8896-8899
DOI: 10.1039/C4CC03387F, CommunicationSeda Demirel Topel, Gunseli Turgut Cin, Engin U. Akkaya
Orthogonal dimers of Bodipy can be effectively excited to generate singlet oxygen at 980 nm.
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A sensitivity tuneable tetraphenylethene-based fluorescent probe for directly indicating the concentration of hydrogen sulfide

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,8892-8895
DOI: 10.1039/C4CC02844A, CommunicationYunbo Cai, Lingzhi Li, Zongtan Wang, Jing Zhi Sun, Anjun Qin, Ben Zhong Tang
A selective tetraphenylethene-based fluorescent H2S probe was designed and synthesized, which exhibits tuneable sensitivity and could directly indicate the concentration of H2S.
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Mesoporous single crystals Li4Ti5O12 grown on rGO as high-rate anode materials for lithium-ion batteries

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,8856-8859
DOI: 10.1039/C4CC02886D, CommunicationWeina Chen, Hao Jiang, Yanjie Hu, Yihui Dai, Chunzhong Li
Mesoporous single crystals Li4Ti5O12 grown on reduced graphene oxide (MSCs-LTO-rGO) nanohybrids have been synthesized by a simple hydrothermal reaction of TiO2/rGO and LiOH with subsequent annealing in Ar at 600 [degree]C, which exhibited excellent electrochemical performances.
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Alkali metal oxides trapped by diethylzinc

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,8937-8940
DOI: 10.1039/C4CC02929A, CommunicationL. Zane Miller, Michael Shatruk, D. Tyler McQuade
Diethylzinc has yielded interesting and often puzzling reactivity for over 165 years. Herein, we demonstrate the preparation of well-defined structures composed of alkali metal oxides surrounded by diethylzincs.
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Self-assembled organic monolayers on epitaxial graphene with enhanced structural and thermal stability

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,8852-8855
DOI: 10.1039/C4CC02761B, CommunicationHunter J. Karmel, John J. Garramone, Jonathan D. Emery, Sumit Kewalramani, Michael J. Bedzyk, Mark C. Hersam
Perylenetetracarboxylic diimide forms well-ordered self-assembled monolayers on epitaxial graphene with enhanced structural and thermal stability compared to previous perylene-based compounds.
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C5-Amino acid functionalized LNA: positively poised for antisense applications

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,9007-9009
DOI: 10.1039/C4CC03623A, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Dale C. Guenther, Pawan Kumar, Brooke A. Anderson, Patrick J. Hrdlicka
Oligonucleotides modified with C5-amino acid LNA uridine result in highly thermostable duplexes, with excellent discrimination of single nucleotide mismatches. Additionally, these ONs are inert toward 3[prime or minute]-exonuclease degradation.
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Tuning the electronic effects of aromatic phosphorus heterocycles: an unprecedented phosphinine with significant P([small pi])-donor properties

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,8842-8844
DOI: 10.1039/C4CC03469D, CommunicationAntonia Loibl, Iris de Krom, Evgeny A. Pidko, Manuela Weber, Jelena Wiecko, Christian Muller
Substituent effects in phosphinine chemistry have been studied systematically and for the first time considerable [small pi]-donor properties of the aromatic phosphorus heterocycles have been revealed.
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Negatively-charged helices in the gas phase

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,8849-8851
DOI: 10.1039/C4CC03257H, CommunicationAndrew R. Johnson, Jonathan M. Dilger, Matthew S. Glover, David E. Clemmer, Erin E. Carlson
A polyalanine-based peptide which forms a stable, negatively-charged [small alpha]-helix in the gas phase is reported.
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Design, synthesis and biological evaluation of mitochondria targeting theranostic agents

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,8919-8922
DOI: 10.1039/C4CC03296A, CommunicationSong Wu, Qizhen Cao, Xiaolin Wang, Kai Cheng, Zhen Cheng
Dual mitochondria targeting fluorescent F16-TPP analogues were designed and synthesized.
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A novel high efficiency composite catalyst: single crystal triangular Au nanoplates supported by functional reduced graphene oxide

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,8889-8891
DOI: 10.1039/C4CC03306J, CommunicationWeina Wang, Jiangjiang Gu, Wenwen Hua, Xudong Jia, Kai Xi
To improve the utilization efficiency of Au catalyst, triangular Au nanoplates on functional reduced graphene oxide were prepared by a facile method.
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Aminosulfonylation of aromatic amines, sulfur dioxide and hydrazines

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,8886-8888
DOI: 10.1039/C4CC03032J, CommunicationDanqing Zheng, Ying Li, Yuanyuan An, Jie Wu
A facile route to aryl N-aminosulfonamides under mild conditions is provided. The reaction of aromatic amines (including heteroaromatic amines), sulfur dioxide, and hydrazines proceeds efficiently with good functional group tolerance. The in situ generated diazonium ion is involved in the aminosulfonylation process.
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A fluorescent metal-organic framework for highly selective detection of nitro explosives in the aqueous phase

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,8915-8918
DOI: 10.1039/C4CC03053B, CommunicationSanjog S. Nagarkar, Aamod V. Desai, Sujit K. Ghosh
Aqueous phase selective and sensitive nitro explosive detection by a porous luminescent metal-organic framework.
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Template-free synthesis of beta zeolite membranes on porous [small alpha]-Al2O3 supports

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,8834-8837
DOI: 10.1039/C4CC02101K, CommunicationYanting Tang, Xiufeng Liu, Shifeng Nai, Baoquan Zhang
The preferentially (h0l)-oriented beta zeolite membrane was prepared on the porous [small alpha]-Al2O3 support by secondary growth of a beta seed layer in the absence of organic templates.
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Multidimensional gas chromatography beyond simple volatiles separation

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,8819-8833
DOI: 10.1039/C4CC02018A, Feature ArticleSung-Tong Chin, Philip J. Marriott
Comprehensive two-dimensional gas chromatography challenges the understanding of the composition of complex samples.
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Enhancing the effective energy barrier of a Dy(III) SMM using a bridged diamagnetic Zn(II) ion

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,8838-8841
DOI: 10.1039/C4CC02094D, CommunicationApoorva Upadhyay, Saurabh Kumar Singh, Chinmoy Das, Ranajit Mondol, Stuart K. Langley, Keith S. Murray, Gopalan Rajaraman, Maheswaran Shanmugam
In this communication, we have proposed a novel synthetic strategy to increase the effective energy barrier (Ueff) of dysprosium(III) single ion magnets using a diamagnetic metal ion such as Zinc(II).
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Solution-grown single-crystalline microwires of a molecular semiconductor with improved charge transport properties

16 July, 2014 - 13:54

Chem. Commun., 2014, 50,8845-8848
DOI: 10.1039/C4CC02055C, CommunicationAkshaya K. Palai, Jihee Lee, Tae Joo Shin, Amit Kumar, Seung-Un Park, Seungmoon Pyo
Preparation and structural analysis of highly ordered single crystalline wires of a diketopyrrolopyrrole (DPP) molecular semiconductor grown through a solution process are reported, and the static/dynamic electrical response of an organic electronic device using the DPP semiconductor has been analyzed.
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