Chem. Commun.

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Simple but effective: thermally stable Cu-ESiMe3 via NHC ligation

17 April, 2015 - 10:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC00940E, CommunicationMahmood Azizpoor Fard, Florian Weigend, John F. Corrigan
The reaction of the N-heterocyclic carbene stabilized complex [(IPr)Cu-SSiMe3] (IPr = 1,3-bis(2,6-diisopropylphenyl)imidazolin-2-ylidene) with mercuric(II) acetate affords the heterometallic cluster [{(IPr)CuS}2Hg] (illustrated).
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Metal assisted cyclodimerization of doubly N-confused dipyrrins into planar aza-heptalenes

17 April, 2015 - 10:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC01367D, CommunicationSantosh C. Gadekar, Baddigam Kiran Reddy, Venkataramanarao G. Anand
Doubly N-confused dipyrrin undergoes intermolecular cyclodimerization with metal salts to form [small pi] extended planar aza-heptalenes.
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Spectacular photocatalytic hydrogen evolution using metal-phosphide/CdS hybrid catalysts under sunlight irradiation

17 April, 2015 - 10:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC01799H, CommunicationShuang Cao, Yong Chen, chuanjun wang, xiaojun lv, Wen Fu Fu
A highly efficient and robust heterogeneous photocatalytic hydrogen evolution system was established for the first time by using CoP/CdS hybrid catalyst in water under solar irradiation. The H2-production rate can...
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A flow cytometer-based whole cell screening toolbox for directed hydrolase evolution through fluorescent hydrogels

17 April, 2015 - 10:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC01791B, CommunicationNina Lulsdorf, Christian Pitzler, Michael Biggel, Ronny Martinez, Ljubica Vojcic, Ulrich Schwaneberg
A high throughput whole cell flow cytometer screening toolbox was developed and validated by identifying improved variants (1.3-7-fold) for three hydrolases (esterase, lipase, cellulase). The screening principle is based on...
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Self-assembly of triangular-shaped polyoxometalate-organic hybrid macroions in mixed solvents

17 April, 2015 - 10:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC02003D, CommunicationBaofang Zhang, Chullikkattil P. Pradeep, Lee Cronin, Tianbo Liu
Triangular-shaped inorganic-organic hybrids with three polyoxometalate (POM) clusters as polar head groups are found to self-assemble into blackberry structures in water/acetone solvent mixtures containing 65 ~ 95 vol % acetone....
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Effect of Ionic Interaction on the Mechanochromic Property of Pyridinium Modified Tetraphenylethene

17 April, 2015 - 10:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC02138C, CommunicationTing Hu, Bicheng Yao, Xiujuan Chen, Weizhang Li, Zhegang Song, Anjun Qin, Jing Zhi Sun, Ben Zhong Tang
Mechanochromism is a common property of organic solids with aggregation-induced emission (AIE) and aggregation-induced emission enhancement (AIEE) activities. The mechanochromic behaviour is usually reversible for the AIE/AIEE-active compounds, because in...
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Detection of NAD(P)H-dependent enzyme activity with dynamic luminescence quenching of terbium complexes

17 April, 2015 - 10:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC01613D, CommunicationHiroki Ito, Takuya Terai, Kenjiro Hanaoka, Tasuku Ueno, Toru Komatsu, Tetsuo Nagano, Yasuteru Urano
We developed a practical and general luminescence assay platform for reduced nicotinamide adenine dinucleotide (phosphate) (NAD(P)H)-dependent enzymes by exploiting dynamic luminescence quenching of some Tb3+ complexes by NAD(P)H.
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Creating Extra Pores in Microporous Carbon via a Template Strategy for Remarkable Enhancement of Ambient-Pressure CO2 Uptake

17 April, 2015 - 10:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC01828E, CommunicationBaiyan Li, Yiming Zhang, Dingxuan Ma, Liangkui Zhu, Daliang Zhang, Matthew Chrzanowski, Zhan Shi, Shengqian Ma
In this work, we illustrate a template strategy to create extra pores in microporous carbon for enhancing ambient-pressure CO2 uptake, as exemplified in the context of carbonizing the silicon-containing POP,...
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Oscillatory three-phase flow reactor for studies of bi-phasic catalytic reactions

17 April, 2015 - 10:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC02051D, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Milad Abolhasani, Nicholas C. Bruno, Klavs F. Jensen
Oscillatory flow reactor strategy removes the mixing, mass transfer and residence time limitations associated with continuous multi-phase flow approaches for studies of bi-phasic C-C and C-N catalytic reactions.
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A short pyrene-fused pyrazaacene with red to near-infrared photoluminescence

17 April, 2015 - 10:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC02459E, CommunicationRaul Garcia, Manuel Melle-Franco, Aurelio Mateo-Alonso
A pyrene-fused pyrazaacene with only four linearly-fused aromatic rings is reported, which remarkably shows emission at red to NIR wavelengths ([small lambda]em = 687 nm).
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Surface roughness-induced speed increase for active Janus micromotors

17 April, 2015 - 10:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC01607J, CommunicationUdit Choudhury, Lluis Soler, John Gibbs, Samuel Sanchez, Peer Fischer
We demonstrate a simple physical fabrication method to obtain self-propelled active Janus microparticles with rough catalytic platinum surfaces that show a four-fold increase in their propulsion speed compared to conventional...
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A phosphorescent rhenium(I) histone deacetylase inhibitor: mitochondrial targeting and paraptosis induction

17 April, 2015 - 10:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC02354H, CommunicationRui-Rong Ye, Cai-Ping Tan, Yan-Nan Lin, Liang-Nian Ji, Zong-Wan Mao
A phosphorescent rhenium(I) tricarbonyl polypyridine complex with mitochondria-specific localization, HDAC inhibitory activity and paraptosis-inducing capability has been explored as a multifunctional agent.
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Scalable synthesis of a Pd nanoparticle loaded hierarchically porous graphene network through multiple synergistic interactions

17 April, 2015 - 10:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC02715B, CommunicationZheye Zhang, Yue Dong, Lu Wang, Shuai Wang
A unique Pd nanoparticle loaded hierarchically porous graphene network as an efficient electrocatalyst was successfully prepared through multiple synergistic interactions.
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Intramolecular transcyclometallation: the exchange of an aryl-Pt bond for an alkyl-Pt bond via an agostic intermediate

17 April, 2015 - 10:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC02355F, CommunicationPaul A. Shaw, Jessica M. Phillips, Christopher P. Newman, Guy J. Clarkson, Jonathan P. Rourke
Oxidation of a square-planar platinum complex leads to a five coordinate cationic intermediate that can be stabilized and trapped out via an agostic interaction with the alkyl chain of a ligand.
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Origins of conductivity improvement in fluoride-enhanced silicon doping of ZnO films

17 April, 2015 - 10:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC01458A, CommunicationNazanin Rashidi, Alex T. Vai, Vladimir L. Kuznetsov, Jonathan R. Dilworth, Peter P. Edwards
Fluoride increases silicon doping efficiency in spray-pyrolysed ZnO without itself being a dopant, yielding a highly-conductive, entirely earth-abundant TCO material.
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Synthesis of nanostructured clean surface molybdenum carbides on graphene sheets as efficient and stable hydrogen evolution reaction catalysts

17 April, 2015 - 10:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC01240F, CommunicationChunyong He, Juzhou Tao
Small size molybdenum carbides (2.5 nm for MoC and 5.0 nm for Mo2C) with clean surface on graphene were prepared for efficient and stable hydrogen evolution reaction catalysts.
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Impact of a conductive oxide core in tungsten sulfide-based nanostructures on the hydrogen evolution reaction

17 April, 2015 - 10:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC02472B, CommunicationBora Seo, Hu Young Jeong, Sung You Hong, Alla Zak, Sang Hoon Joo
Tungsten oxide/tungsten sulfide (W18O49@WS2) core-shell nanorods prepared via controlled sulfidization reaction of W18O49 nanowhiskers showed hydrogen evolution reaction (HER) activity superior to WS2 nanotubes, indicating the critical role of a highly conductive oxide core in enhancing HER activity.
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Simple access to [small beta]-trifluoromethyl-substituted ketones via copper-catalyzed ring-opening trifluoromethylation of substituted cyclopropanols

17 April, 2015 - 10:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC02386F, CommunicationDzmitry G. Kananovich, Yulia A. Konik, Dzmitry M. Zubrytski, Ivar Jarving, Margus Lopp
A variety of [small beta]-trifluoromethyl ketones have been easily prepared by CuCl-catalyzed ring-opening trifluoromethylation of cyclopropanols with Togni reagent.
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A simple base-mediated synthesis of diverse functionalized ring-fluorinated 4H-pyrans via double direct C-F substitutions

17 April, 2015 - 10:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC02073E, CommunicationJieru Yang, Ao Mao, Zhenting Yue, Wenxuan Zhu, Xuewei Luo, Chuwei Zhu, Yuanjing Xiao, Junliang Zhang
A simple base-mediated synthesis of diverse substituted ring-fluorinated 4H-pyrans (monofluorinated 4H-pyrans) from trifluoromethylated alkenes and 1,3-dicarbonyl compounds was developed.
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Generation of cycloheptynes and cyclooctynes via a sulfoxide-magnesium exchange reaction of readily synthesized 2-sulfinylcycloalkenyl triflates

17 April, 2015 - 10:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC01784J, CommunicationSuguru Yoshida, Fumika Karaki, Keisuke Uchida, Takamitsu Hosoya
Cycloheptynes and cyclooctynes have been efficiently generated via a sulfoxide-magnesium exchange reaction of readily synthesized 2-sulfinylcycloalkenyl triflates.
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