Chem. Commun.

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Allylic sp3 C-H borylation of alkenes via allyl-Pd intermediates: an efficient route to allylboronates

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9207-9210
DOI: 10.1039/C4CC04151H, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Hong-Ping Deng, Lars Eriksson, Kalman J. Szabo
Palladium catalyzed allylic C-H functionalization was performed, which proceeds via an allyl-Pd intermediate to give an allylboronate product.
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Formation of phosphanoxy-substituted phosphaalkenes via sterically promoted cleavage of the P[double bond, length as m-dash]P diphosphene bond

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9204-9206
DOI: 10.1039/C4CC03274H, CommunicationShigekazu Ito, Shunsuke Okabe, Yasuhiro Ueta, Koichi Mikami
The sterically congested diphosphene bond is cleaved by RLi and acyl halides to provide phosphanoxy-substituted phosphaethenes.
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A super water-stable europium-organic framework: guests inducing low-humidity proton conduction and sensing of metal ions

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9153-9156
DOI: 10.1039/C4CC03268C, CommunicationRui Wang, Xi-Yan Dong, Hong Xu, Ru-Bo Pei, Ming-Li Ma, Shuang-Quan Zang, Hong-Wei Hou, Thomas C. W. Mak
The ordered dimethylammonium cations and helical water spirals as guest species induce low-humidity proton conduction and sensing of Fe3+ and Cu2+ ions in a water-stable europium-organic framework.
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Engineering the surface of perovskite La0.5Sr0.5MnO3 for catalytic activity of CO oxidation

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9200-9203
DOI: 10.1039/C4CC00023D, CommunicationKeke Huang, Xuefeng Chu, Long Yuan, Wenchun Feng, Xiaofeng Wu, Xiyang Wang, Shouhua Feng
A simple treatment of La0.5Sr0.5MnO3 with diluted HNO3 creates more B-sites (rich) on the terminated perovskite surface and improves its catalytic activity toward CO oxidation, and the perovskite catalyst possesses a higher ratio of Mn4+/Mn3+ and thus enhances the O2 adsorption capability, favourable for CO oxidation and catalytic activity.
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High-throughput colorimetric assays for mercury(II) in blood and wastewater based on the mercury-stimulated catalytic activity of small silver nanoparticles in a temperature-switchable gelatin matrix

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9196-9199
DOI: 10.1039/C4CC03851G, CommunicationZongzhao Sun, Ning Zhang, Yanmei Si, Shuai Li, Jiangwei Wen, Xiangbing Zhu, Hua Wang
Colorimetric mercury(II) assays with 96-cell plates were achieved by the mercury-stimulated catalytic activity of small silver nanoparticles in switchable gelatin.
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Meso enamine substituted BODIPYs

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9119-9121
DOI: 10.1039/C4CC03857F, CommunicationBhausaheb Dhokale, Thaksen Jadhav, Shaikh M. Mobin, Rajneesh Misra
Different enamines were introduced at the meso position of the BODIPY by catalyst free oxidation of tert-amines and in situ cross coupling with 8-chloro BODIPY. The N-alkyl substituents perturb the optical properties of enamine substituted BODIPYs.
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Aldehyde group assisted thiolysis of dinitrophenyl ether: a new promising approach for efficient hydrogen sulfide probes

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9185-9187
DOI: 10.1039/C4CC03818E, CommunicationZijun Huang, Shuangshuang Ding, Dehuan Yu, Feihu Huang, Guoqiang Feng
Combining fast nucleophilic addition of H2S to an aldehyde and thiolysis of dinitrophenyl ether, a new approach for efficient H2S probes was developed.
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A dual-emitting Cu6-Cu2-Cu6 cluster as a self-calibrated, wide-range luminescent molecular thermometer

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9115-9118
DOI: 10.1039/C4CC04100C, CommunicationJun-Hao Wang, Mian Li, Ji Zheng, Xiao-Chun Huang, Dan Li
The union of two red-emitting cage-like clusters, Cu6Pz6 (Pz = pyrazolate), joined by a blue-emitting Cu2I2 cluster, allows internally referenced temperature sensing within a wide range (120-450 K).
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Hybrid polymer micelles capable of cRGD targeting and pH-triggered surface charge conversion for tumor selective accumulation and promoted uptake

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9188-9191
DOI: 10.1039/C4CC04056B, CommunicationXiuli Hu, Xingang Guan, Jing Li, Qing Pei, Ming Liu, Zhigang Xie, Xiabin Jing
Dual functional micelles combining active targeting (cRGD) and tumor microenvironment stimuli response used for Dox delivery.
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Nucleobase-functionalized ABC triblock copolymers: self-assembly of supramolecular architectures

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9145-9148
DOI: 10.1039/C4CC03363A, CommunicationKeren Zhang, Gregory B. Fahs, Motohiro Aiba, Robert B. Moore, Timothy E. Long
RAFT polymerization afforded acrylic ABC triblock copolymers with self-complementary nucleobase-functionalized external blocks and a low-Tg soft central block.
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Synthesis and characterization of a new Keggin anion: [BeW12O40]6-

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9083-9085
DOI: 10.1039/C4CC02456G, CommunicationAlexander V. Anyushin, Anton I. Smolentsev, Dmitry A. Mainichev, Cristian Vicent, Artem L. Gushchin, Maxim N. Sokolov, Vladimir P. Fedin
The first berillododecatungstate [BeW12O40]6- has been synthesized and characterized by X-ray analysis, cyclic voltammetry, ESI-mass spectrometry, and 9Be and 183W NMR.
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Palladium nanomaterials in catalytic intramolecular C-H amination reactions

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9049-9052
DOI: 10.1039/C4CC03551H, CommunicationLeng Leng Chng, Jun Yang, Yifeng Wei, Jackie Y. Ying
Supported palladium nanomaterials catalyzed an intramolecular C-H amination reaction to produce carbazoles, with up to 92% isolated yield.
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Designing a yolk-shell type porous organic network using a phenyl modified template

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9079-9082
DOI: 10.1039/C4CC02837F, CommunicationSong Shi, Chen Chen, Min Wang, Jiping Ma, Hong Ma, Jie Xu
A new strategy was developed to introduce gold nanoparticles into yolk-shell type porous organic networks under the assistance of a phenyl modified template.
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A heterodinuclear RuIr metal complex for direct imaging of rRNA in living cells

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9149-9152
DOI: 10.1039/C4CC04501G, CommunicationShiguo Sun, Jitao Wang, Daozhou Mu, Jingyun Wang, Yongming Bao, Bo Qiao, Xiaojun Peng
A novel dual luminescence heterodinuclear RuIr complex for RNA detection was developed, which was successfully used to image rRNA in living cells.
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Formal [3+2] cycloaddition of 1-cyanocyclopropane 1-ester with pyridine, quinoline or isoquinoline: a general and efficient strategy for construction of cyanoindolizine skeletons

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9068-9071
DOI: 10.1039/C4CC03267E, CommunicationJuanjuan Liu, Lanxiang Zhou, Weijian Ye, Cunde Wang
An efficient and straightforward preparation of cyanoindolizine derivatives via a cycloaddition reaction between 1-cyanocyclopropane 1-ester and pyridine or benzopyridine.
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DNA gated photochromism and fluorescent switch in a thiazole orange modified diarylethene

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9141-9144
DOI: 10.1039/C4CC02783C, CommunicationKeyin Liu, Ying Wen, Ting Shi, Yi Li, Fuyou Li, Yi-lei Zhao, Chunhui Huang, Tao Yi
Thiazole orange modified diarylethene acts as an effective DNA marker and shows DNA gated photochromism even within cells.
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Partially reduced iridium oxide clusters dispersed on titania as efficient catalysts for facile synthesis of dimethylformamide from CO2, H2 and dimethylamine

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9138-9140
DOI: 10.1039/C4CC02973A, CommunicationQing-Yuan Bi, Jian-Dong Lin, Yong-Mei Liu, Song-Hai Xie, He-Yong He, Yong Cao
Partially reduced iridium oxide supported on TiO2 was exceedingly efficient for the synthesis of dimethylformamide from CO2, H2 and dimethylamine.
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Controlling two-phase self-assembly of an adenine derivative on HOPG via kinetic effects

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9192-9195
DOI: 10.1039/C4CC03714F, CommunicationCan Wang, Pritam Kumar Jana, Haiming Zhang, Zhongcheng Mu, Gerald Kehr, Tobias Blomker, Gerhard Erker, Harald Fuchs, Andreas Heuer, Lifeng Chi
Large-area self-assembled structures of a nucleobase adenine derivative were successfully realized through vacuum deposition.
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Polygermanes: bandgap engineering via tensile strain and side-chain substitution

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9126-9129
DOI: 10.1039/C4CC03907F, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Wei Fa, Xiao Cheng Zeng
Polygermanes: bandgap engineering by strain and side-chain substitution.
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A femtogram level competitive immunoassay of mercury(II) based on surface-enhanced Raman spectroscopy

20 July, 2014 - 14:54

Chem. Commun., 2014, 50,9112-9114
DOI: 10.1039/C4CC03323J, CommunicationYuzhen Wang, Shuai Chen, Chao Wei, Minmin Xu, Jianlin Yao, Yuan Li, Anping Deng, Renao Gu
A femtogram level and specific surface enhanced Raman spectroscopy (SERS) based competitive immunoassay was developed to detect Hg(II) in aqueous solution.
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