Chem. Commun.

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Membrane-mediated cascade reactions by enzyme-polymer proteinosomes

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6278-6280
DOI: 10.1039/C4CC02256D, CommunicationXin Huang, Mei Li, Stephen Mann
Proteinosomes comprising a triad of enzyme-polymer amphiphilic building blocks capable of operating together as a multi-step membrane-mediated cascade system are prepared and characterized.
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Activation of a carbonyl compound by halogen bonding

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6281-6284
DOI: 10.1039/C4CC03124E, CommunicationStefan H. Jungbauer, Sebastian M. Walter, Severin Schindler, Laxmidhar Rout, Florian Kniep, Stefan M. Huber
Using a prototypical Diels-Alder reaction as benchmark, we show that dicationic halogen-bond donors are capable of activating a neutral organic substrate.
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Intramolecular folding of triblock copolymers via quadrupole interactions between poly(styrene) and poly(pentafluorostyrene) blocks

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6225-6227
DOI: 10.1039/C4CC01840K, CommunicationJie Lu, Niels ten Brummelhuis, Marcus Weck
The self-assembly of a synthetic triblock copolymer was used to mimic the [small beta]-hairpin formation.
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Tripodal molecules for the promotion of phosphoester hydrolysis

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6217-6220
DOI: 10.1039/C4CC00333K, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Jennifer R. Hiscock, Mark R. Sambrook, Philippa B. Cranwell, Pat Watts, Jack C. Vincent, David J. Xuereb, Neil J. Wells, Robert Raja, Philip A. Gale
A series of low molecular weight tripodal amide/histidine-containing compounds have been synthesised and shown to increase the rate of bis-(p-nitrophenyl) phosphate (BNPP) and soman (GD) breakdown in buffered aqueous solution.
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Long-term stability for cobalt-based dye-sensitized solar cells obtained by electrolyte optimization

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6249-6251
DOI: 10.1039/C4CC00698D, CommunicationJiajia Gao, Muthuraaman Bhagavathi Achari, Lars Kloo
A significant improvement in the long-term stability for cobalt-based dye-sensitized solar cells (DSCs) under light-soaking conditions has been achieved by optimization of the composition of tris(2,2[prime or minute]-bipyridine) Co(II)/Co(III) electrolytes.
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Binary role of an ylide in formation of a terminal methylidene complex of niobium

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6267-6269
DOI: 10.1039/C4CC01404A, CommunicationKeith Searles, Karlijn Keijzer, Chun-Hsing Chen, Mu-Hyun Baik, Daniel J. Mindiola
The methylidene complex can be prepared readily in high yield from the reaction of [(Ar[prime or minute]O)2Nb(CH3)2Cl] (Ar[prime or minute] = (2,6-CHPh2)2-4-tBu-C6H2) and two equivalents of H2CPPh3. The nucleophilic methylidene of [(Ar[prime or minute]O)2Nb[double bond, length as m-dash]CH2(CH3)(H2CPPh3)] can undergo Wittig-like or protonation chemistry to form structurally similar molecules.
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The rapid detection of microRNA based on p19-enhanced fluorescence polarization

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6236-6239
DOI: 10.1039/C4CC00705K, CommunicationYuan-Chen He, Bin-Cheng Yin, Lihua Jiang, Bang-Ce Ye
Via a molecular caliper p19 protein, we have developed an amplified fluorescence polarization method for rapid microRNA detection.
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Catalytic [3 + 2] annulation of ketimines with alkynes via C-H activation by a cationic iridium(cod) complex

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6274-6277
DOI: 10.1039/C4CC01874E, CommunicationMidori Nagamoto, Takahiro Nishimura
Iridium-catalyzed annulation of ketimines with internal and terminal alkynes proceeded via C-H activation to give aminoindene derivatives.
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Construction of nanoantennas on the bacterial outer membrane

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6252-6255
DOI: 10.1039/C4CC01204F, CommunicationHiroshi Shiigi, Maho Fukuda, Takatoshi Tono, Kaori Takada, Tomoyuki Okada, Le Quynh Dung, Yu Hatsuoka, Takamasa Kinoshita, Masahiro Takai, Shiho Tokonami, Hidenobu Nakao, Tomoaki Nishino, Yojiro Yamamoto, Tsutomu Nagaoka
A simple and highly sensitive detection of pathogenic bacteria is achieved by utilizing gold nanoparticles as an optical antenna.
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Nanoparticle-based pseudo hapten for target-responsive cargo release from a magnetic mesoporous silica nanocontainer

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6256-6258
DOI: 10.1039/C4CC01511H, CommunicationZhuangqiang Gao, Dianping Tang, Mingdi Xu, Guonan Chen, Huanghao Yang
A novel homogeneous immunoassay method is developed for sensitive monitoring of small molecular biotoxin by using a portable personal glucose meter (PGM) based on the target-responsive release of cargo (glucose) from a polystyrene microsphere-gated magnetic mesoporous nanocontainer.
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The activation of Woollins' reagent. Isolation of pyridine stabilised PhPSe2

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6214-6216
DOI: 10.1039/C4CC01073F, CommunicationLaura Ascherl, Andreas Nordheider, Kasun S. Athukorala Arachchige, David B. Cordes, Konstantin Karaghiosoff, Michael Buhl, Alexandra M. Z. Slawin, J. Derek Woollins
Reaction of Woollins' reagent (WR) with pyridine yields the P(V) species PhPSe2 stabilised by pyridine coordination. Its potential as a selenation reagent under mild conditions was shown by calculations and an experimental comparison to WR.
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Synthesis of orderly nanoporous aluminophosphate and zirconium phosphate materials and their catalytic applications

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6232-6235
DOI: 10.1039/C4CC02614D, CommunicationPeta Sreenivasulu, Nagabhatla Viswanadham, Trymbkesh Sharma, B. Sreedhar
Amorphous alumino phosphate (AP) and zirconium phosphate (ZP) materials possessing ordered nanoporosity (5-6 nm) have been successfully synthesized and explored for O- and C-alkylation reactions of phenol respectively.
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Iodine mediated deprotection of N-tert-butanesulfinyl amines: a functional group compatible method

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6259-6262
DOI: 10.1039/C4CC00958D, CommunicationWen Chen, Jian Ren, Minshou Wang, Lingjing Dang, Xianfu Shen, Xiaodong Yang, Hongbin Zhang
In the presence of iodine, a functional group compatible method for the deprotection of tert-butanesulfinyl and p-toluenesulfinyl units was developed.
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The design and synthesis of a hydrophilic core-shell-shell structured magnetic metal-organic framework as a novel immobilized metal ion affinity platform for phosphoproteome research

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6228-6231
DOI: 10.1039/C4CC01038H, CommunicationMan Zhao, Chunhui Deng, Xiangmin Zhang
In this work, polydopamine-coated magnetic microspheres with surface modification of zirconium-based MOFs were synthesized for the first time. The as-synthesized composites were applied as a novel IMAC platform for phosphoproteome research.
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Reduced graphene oxide supported piperazine in aminocatalysis

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6270-6273
DOI: 10.1039/C4CC02701A, CommunicationEduardo Rodrigo, Beatriz Garcia Alcubilla, Raquel Sainz, J. L. Garcia Fierro, Rafael Ferritto, M. Belen Cid
Reduced graphene oxide (rGO) has been used as a support for piperazine to provide a heterogeneous bifunctional organocatalyst (rGO-NH) that is able to efficiently promote vintage organic transformations such as Knoevenagel, Michael and aldol reactions.
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Photocatalytic CO2 reduction using a molecular cobalt complex deposited on TiO2 nanoparticles

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6221-6224
DOI: 10.1039/C4CC00503A, CommunicationTong Jin, Chao Liu, Gonghu Li
A macrocyclic cobalt catalyst is effectively coupled with TiO2 nanoparticles for photocatalytic CO2 reduction.
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Pentacoordinate silicon(IV): cationic, anionic and neutral complexes derived from the reaction of NHC[rightward arrow]SiCl4 with highly Lewis acidic (C2F5)2SiH2

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6204-6206
DOI: 10.1039/C4CC02583K, CommunicationT. Bottcher, S. Steinhauer, B. Neumann, H.-G. Stammler, G.-V. Roschenthaler, B. Hoge
Addition of NHC[rightward arrow]SiCl4 to the highly Lewis acidic bis(pentafluoroethyl)silane ((C2F5)2SiH2) afforded the salt [(NHC)2SiCl2H][(C2F5)2SiCl3] with pentacoordinate silicon in the cation and the anion.
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Poly(trifluoromethyl)azulenes: structures and acceptor properties

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6263-6266
DOI: 10.1039/C4CC00510D, CommunicationTyler T. Clikeman, Eric V. Bukovsky, Igor V. Kuvychko, Long K. San, Shihu H. M. Deng, Xue-Bin Wang, Yu-Sheng Chen, Steven H. Strauss, Olga V. Boltalina
A family of highly trifluoromethylated azulenes prepared in a single-step high-temperature gas-phase reaction of azulene with CF3I exhibit outstanding electron accepting properties in the gas-phase and in solution that are linearly correlated with the number of CF3 groups.
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Peptide-perylene diimide functionalized magnetic nano-platforms for fluorescence turn-on detection and clearance of bacterial lipopolysaccharides

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6200-6203
DOI: 10.1039/C4CC01266F, CommunicationFang Liu, Jing Mu, Xiangyang Wu, Surajit Bhattacharjya, Edwin Kok Lee Yeow, Bengang Xing
A simple and novel dual-functional peptide magnetic nanoplatform has been successfully designed for sensitive detection and rapid clearance of bacterial endotoxins.
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The Bu4NI-catalyzed alfa-acyloxylation of ketones with benzylic alcohols

18 May, 2014 - 23:54

Chem. Commun., 2014, 50,6240-6242
DOI: 10.1039/C4CC01652A, CommunicationSongjin Guo, Jin-Tao Yu, Qiang Dai, Haitao Yang, Jiang Cheng
The Bu4NI-catalyzed reaction of ketones with benzylic alcohols was achieved, leading to alfa-acyloxycarbonyl compounds in moderate to good yields.
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