Chem. Commun.

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Topologically diverse shape-persistent bis-(Zn-salphen) catalysts: efficient cyclic carbonate formation under mild conditions

17 November, 2015 - 13:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC08794E, CommunicationShixiong He, Fuli Wang, Wah-Leung Tong, Shek-Man Yiu, Michael C.W. Chan
By adopting a shape-persistent bimetallic design approach, high initial molecular turnover frequencies (up to 14800 h-1) for coupling of CO2 with epoxides in conjunction with nBu4NI, plus excellent yields under...
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Metal-free oxidative cyclization of acetophenones with diamines: A facile access to phenylpyridines

17 November, 2015 - 13:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC08498A, CommunicationRohit Sharma, Neha Patel, Ram A Vishwakarma, Prasad. V. Bharatam, Sandip Bibishan Bharate
An efficient metal-free access to 2- and 3-phenylpyridines via oxidative coupling of acetophenones or phenylacetones with 1,3-diaminopropane has been described. Reaction involves shorter reaction time, excellent yields and a broad...
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Total Synthesis and Stereochemical Assignment of Scytonemin A

17 November, 2015 - 13:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC08324A, CommunicationJunyang Liu, Lei Wang, Juefei Zhang, Zhengshuang Xu, Tao Ye
Total synthesis of scytonemin A and its C-9 epimer, as well as elucidation of the absolute stereochemistry of nature scytonemin A are described.
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In situ iodination and X-ray crystal structure of a foldamer helical bundle

17 November, 2015 - 13:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC07916K, CommunicationGillles Guichard, Gavin W Collie, Karolina Pulka
We report here the efficient in situ iodination of tyrosine-type side-chains located within a foldamer helical bundle, permitting structure determination by single-wavelength anomalous diffraction (SAD) methods. We suggest that this...
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Tools of gene transfer applied for the intracellular delivery of non-nucleic acid polyanionic drugs

17 November, 2015 - 13:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC08011H, CommunicationMille Kryger, Soren Pedersen, Benjamin Wohl, Alexander Zelikin
We report the first successful implementation of transfection agents to facilitate the delivery of non-nucleic acid based anti-inflammatory and anti-viral drugs. In doing so, we illustrate a new paradigm in...
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Combining Visible Light Catalysis and Transfer Hydrogenation for in situ Efficient and Selective Semihydrogenation of Alkynes under Ambient Condition

17 November, 2015 - 13:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC08697C, CommunicationLi-Zhu Wu, Jian-Ji Zhong, Qiang Liu, Cheng-Juan Wu, Qing-Yuan Meng, Xue-Wang Gao, Zhi-Jun Li, Bin Chen, Chen-Ho Tung
By combining visible light catalysis and transfer hydrogenation, we are able to convert a series of alkynes to their corresponding alkenes in high chemical yields. The visible light catalytic transfer...
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Cobalt(I)-catalysed CH-alkylation of terminal olefins, and beyond

17 November, 2015 - 13:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC07363D, CommunicationDorota Gryko, Maciej Giedyk, Katarzyna Goliszewska, Keith oProinsias
Cobalester, a natural nontoxic vitamin B12 derivative was found to catalyse unusual olefinic sp2 C-H alkylation with diazo reagents as a carbene source instead of the expected cyclopropanation.
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pi-Extended Rigid Triptycene-Trisaroylenimidazoles as Electron Acceptors

17 November, 2015 - 13:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC07238G, CommunicationMichael Mastalerz, Elisabeth Menke, Yana Vaynzof, Vincent Lami
Two soluble isomeric acceptor molecules based on a triptycene core connected to three units of aroylenimidazoles. Due to the inherent threefold axis, the molecules are soluble and thus could be...
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Three-Dimensional Hyperbranched PdCu Nanostructures with High Electrocatalytic Activity

17 November, 2015 - 13:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC08581K, CommunicationBo JIANG, Li Cuiling, Victor Malgras, Yoshio Bando, Yusuke Yamauchi
In this study, three-dimensional (3D) PdCu alloyed nanostructures, consisting of one-dimensional (1D) branches, were successfully synthesized through a facile wet-chemical method without using any seeds or organic solvent. The success...
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Solvent-Dependent Dual-Mode Photochromism between T- and P-Types with a Dipyrrinone Derivative

17 November, 2015 - 13:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC07625K, CommunicationYoko Sakata, Satomi Fukushima, Shigehisa Akine, Jun-ichiro Setsune
A newly synthesized dipyrrinone derivative bearing an ethoxycarbonyl group at pyrrolic-[small alpha] position exhibited solvent-dependent dual-mode photochromism between T- and P-types. While this molecule underwent thermally reversible (T-type) photoresponsive reaction in...
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Light-triggered chemical amplification to accelerate degradation and release from polymeric particles

17 November, 2015 - 13:17

Chem. Commun., 2015, 51,16980-16983
DOI: 10.1039/C5CC06143A, CommunicationJason Olejniczak, Viet Anh Nguyen Huu, Jacques Lux, Madeleine Grossman, Sha He, Adah Almutairi
We describe a means of chemical amplification to accelerate triggered degradation of a polymer and particles composed thereof.
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Design of isolated iron species for Fenton reactions: lyophilization beats calcination treatment

17 November, 2015 - 13:17

Chem. Commun., 2015, 51,16936-16939
DOI: 10.1039/C5CC06590A, CommunicationLeitao Zhang, Hui Ye, Lizhi Zhao, Lei Zhang, Lili Yao, Yuzhong Zhang, Hong Li
Compared with the calcination catalyst, the lyophilization sample exhibits a higher catalytic activity and H2O2 utilization efficiency but lower iron leaching in catalytic phenol degradation.
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Low temperature hydrodeoxygenation of phenols under ambient hydrogen pressure to form cyclohexanes catalysed by Pt nanoparticles supported on H-ZSM-5

17 November, 2015 - 13:17

Chem. Commun., 2015, 51,17000-17003
DOI: 10.1039/C5CC05607A, CommunicationHidetoshi Ohta, Kentaro Yamamoto, Minoru Hayashi, Go Hamasaka, Yasuhiro Uozumi, Yutaka Watanabe
The hydrodeoxygenation of various phenols to form cyclohexanes under mild conditions (ambient H2 pressure and 110 [degree]C) was developed by using a Pt/H-ZSM-5 catalyst and octane as the solvent.
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Space science applications for conducting polymer particles: synthetic mimics for cosmic dust and micrometeorites

17 November, 2015 - 13:17

Chem. Commun., 2015, 51,16886-16899
DOI: 10.1039/C5CC07405C, Feature ArticleOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Lee A. Fielding, Jon K. Hillier, Mark J. Burchell, Steven P. Armes
The design of conducting polymer-based particles as synthetic mimics for understanding the behaviour of micro-meteorites (a.k.a. cosmic dust) is reviewed and the implications for various space science applications is discussed.
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Surface engineering for an enhanced photoelectrochemical response of TiO2 nanotube arrays by simple surface air plasma treatment

17 November, 2015 - 13:17

Chem. Commun., 2015, 51,16940-16943
DOI: 10.1039/C5CC06454F, CommunicationTingting Zhang, Siwen Cui, Bo Yu, Zhilu Liu, Daoai Wang
A simple method to improve the photoelectrochemical performance of TiO2 NTs by simple air plasma post-treatment is reported. The photocurrent density and IPCE are 3-4 times higher than that of the pristine TiO2 NTs even after six months.
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Direct electron transfer from photosystem II to hematite in a hybrid photoelectrochemical cell

17 November, 2015 - 13:17

Chem. Commun., 2015, 51,16952-16955
DOI: 10.1039/C5CC06900A, CommunicationWangyin Wang, Zhiliang Wang, Qingjun Zhu, Guangye Han, Chunmei Ding, Jun Chen, Jian-Ren Shen, Can Li
A hybrid photoanode integrating photosystem II with a hematite film is constructed for photoelectrochemical water oxidation.
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A fluorescent probe for specific detection of cysteine in the lipid dense region of cells

17 November, 2015 - 13:17

Chem. Commun., 2015, 51,16932-16935
DOI: 10.1039/C5CC07450A, CommunicationFiroj Ali, Anila H. A., Nandaraj Taye, Rajesh G. Gonnade, Samit Chattopadhyay, Amitava Das
Use of a cysteine specific chemodosimetric receptor for probing its release in the ER-region of the HepG2 cells during drug metabolism and silica based strips for quantitative estimation of Cys in a human blood plasma sample.
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Design of a Bronsted acid with two different acidic sites: synthesis and application of aryl phosphinic acid-phosphoric acid as a Bronsted acid catalyst

17 November, 2015 - 13:17

Chem. Commun., 2015, 51,16976-16979
DOI: 10.1039/C5CC06787A, CommunicationN. Momiyama, T. Narumi, M. Terada
A Bronsted acid with two different acidic sites, aryl phosphinic acid-phosphoric acid, was synthesized and its catalytic performance was assessed.
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Selective remote C-H sulfonylation of aminoquinolines with arylsulfonyl chlorides via copper catalysis

17 November, 2015 - 13:17

Chem. Commun., 2015, 51,16928-16931
DOI: 10.1039/C5CC05527J, CommunicationHong-Wen Liang, Kun Jiang, Wei Ding, Yi Yuan, Li Shuai, Ying-Chun Chen, Ye Wei
Copper-catalysed remote C-H bond sulfonylation of aminoquinolines using commercially available and inexpensive arylsulfonyl chlorides as the sulfonylation reagents is described.
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Label-free detection of pH based on the i-motif using an aggregation-caused quenching strategy

17 November, 2015 - 13:17

Chem. Commun., 2015, 51,16960-16963
DOI: 10.1039/C5CC04784F, CommunicationBoshi Fu, Jinguo Huang, Dongsheng Bai, Yalun Xie, Yang Wang, Shaoru Wang, Xiang Zhou
A label-free and biocompatible pH sensor system based on the aggregation-caused quenching (ACQ) probe has been reported herein.
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