Chem. Commun.

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A phthalimidation protocol that follows protein defined parameters

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,473-476
DOI: 10.1039/C4CC08503E, CommunicationRohith Singudas, Srinivasa Rao Adusumalli, Pralhad Namdev Joshi, Vishal Rai
This work outlines the first phthalimidation protocol suitable for protein labeling and performed in aqueous media at room temperature and neutral pH with no catalyst or co-reagent required.
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Direct asymmetric vinylogous Michael addition of 3-alkylidene oxindoles to chalcones catalyzed by a chiral N,N[prime or minute]-dioxide ytterbium(III) complex

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,580-583
DOI: 10.1039/C4CC07204A, CommunicationXiao Xiao, Hongjiang Mei, Quangang Chen, Xiaohu Zhao, Lili Lin, Xiaohua Liu, Xiaoming Feng
A chiral ytterbium(III)-N,N[prime or minute]-dioxide complex was applied in the catalytic direct asymmetric vinylogous Michael addition of 3-alkylidene oxindoles to chalcones, giving the corresponding [gamma]-addition products with high yields, enantioselectivities and Z/E selectivities.
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A thermostable transketolase evolved for aliphatic aldehyde acceptors

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,480-483
DOI: 10.1039/C4CC08436E, CommunicationDong Yi, Thangavelu Saravanan, Titu Devamani, Franck Charmantray, Laurence Hecquet, Wolf-Dieter Fessner
Directed evolution of a thermostable transketolase yields catalysts with significant improvement in activity, enantioselectivity and substrate scope.
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Metal-free oxidative C(sp3)-H bond functionalization of alkanes and alkylation-initiated radical 1,2-aryl migration in [small alpha],[small alpha]-diaryl allylic alcohols

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,599-602
DOI: 10.1039/C4CC07654K, CommunicationJincan Zhao, Hong Fang, Ruichun Song, Jie Zhou, Jianlin Han, Yi Pan
A C(sp3)-H bond functionalization of alkanes and 1,2-aryl migration of allylic alcohols was reported with up to 93% yields.
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Triplet-triplet annihilation upconversion from rationally designed polymeric emitters with tunable inter-chromophore distances

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,588-591
DOI: 10.1039/C4CC07589G, CommunicationXinjun Yu, Xian Cao, Xiaoping Chen, Neil Ayres, Peng Zhang
We report a thorough investigation of triplet-triplet annihilation upconversion based on polymeric emitters with tunable inter-chromophore distances.
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Crystallization of rubrene on a nanopillar-templated surface by the melt-recrystallization process and its application in field-effect transistors

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,603-606
DOI: 10.1039/C4CC07739C, CommunicationChi-Chih Ho, Yu-Tai Tao
Oriented rubrene nanocrystal growth from melt on a nanopillar-templated surface, adaptable for field-effect transistor application.
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Lanthanide supramolecular helical diastereoselective breaking induced by point chirality: mixture or P-helix, M-helix

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,592-595
DOI: 10.1039/C4CC08362H, CommunicationChi-Tung Yeung, Wesley Ting Kwok Chan, Siu-Cheong Yan, Kwan-Leung Yu, King-Him Yim, Wing-Tak Wong, Ga-Lai Law
Self-assembly of europium or lanthanium bimetallic triple helicates from two closely related chiral ligands resulted in a significantly different diastereoselective supramolecular formation phenomenon.
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Combining in-cell NMR and X-ray fluorescence microscopy to reveal the intracellular maturation states of human superoxide dismutase 1

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,584-587
DOI: 10.1039/C4CC08129C, CommunicationE. Luchinat, A. Gianoncelli, T. Mello, A. Galli, L. Banci
Combined in-cell NMR spectroscopy, X-ray fluorescence and optical fluorescence microscopies allow describing the intracellular maturation states of human SOD1.
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Efficient photovoltaic and electroluminescent perovskite devices

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,569-571
DOI: 10.1039/C4CC07518H, CommunicationLidon Gil-Escrig, Giulia Longo, Antonio Pertegas, Cristina Roldan-Carmona, A. Soriano, Michele Sessolo, Henk J. Bolink
Planar diode structures employing hybrid organic-inorganic methylammonium lead iodide perovskites lead to multifunctional devices exhibiting both a high photovoltaic efficiency and good electroluminescence.
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An efficient route to highly enantioenriched tetrahydroazulenes and [small beta]-tetralones by desymmetrization reactions of [small delta],[small delta]-diaryldiazoaceto-acetates

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,565-568
DOI: 10.1039/C4CC08255A, CommunicationYuxiao Liu, Yongming Deng, Peter Y. Zavalij, Renhua Liu, Michael P. Doyle
Highly stereoselective desymmetrization reactions of diaryldiazoketoesters catalyzed by chiral dirhodium carboxylates form Buchner reaction products that rearrange to [small beta]-tetralones.
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Ratiometric electrochemical detection of alkaline phosphatase

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,561-564
DOI: 10.1039/C4CC07693A, CommunicationSean Goggins, Christophe Naz, Barrie J. Marsh, Christopher G. Frost
A novel ferrocene-based substrate incorporating a phosphate trigger is validated for the ratiometric electrochemical detection of alkaline phosphatase activity.
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Synthesis of polysubstituted cyclopenta[b]indoles via relay gold(I)/Bronsted acid catalysis

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,557-560
DOI: 10.1039/C4CC08174A, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Seema Dhiman, S. S. V. Ramasastry
A relay gold(I)/Bronsted acid catalyzed one-pot cyclopentannulation of indoles has been achieved starting from easily accessible 1-(2-aminophenyl)prop-2-ynols and readily available 1,3-dicarbonyls.
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Visual detection of Ca2+ based on aggregation-induced emission of Au(I)-Cys complexes with superb selectivity

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,596-598
DOI: 10.1039/C4CC07592G, CommunicationYahui Guo, Xiaoyan Tong, Liya Ji, Zhili Wang, Hongyan Wang, Jiming Hu, Renjun Pei
An interesting Au(I)-Cys complex was employed for the optical detection of Ca2+ based on an aggregation-induced emission phenomenon. This AIE property of Au(I)-thiol complexes may provide a universal sensing strategy by employing different mercapto-appended ligands.
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Bimetallic zinc complex - active species in coupling of terminal alkynes with aldehydes via nucleophilic addition/Oppenauer oxidation

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,576-579
DOI: 10.1039/C4CC08152H, CommunicationJiwen Yuan, Jing Wang, Guanghui Zhang, Chao Liu, Xiaotian Qi, Yu Lan, Jeffrey T. Miller, A. Jeremy Kropf, Emilio E. Bunel, Aiwen Lei
A mechanistic study on the zinc-promoted coupling between aldehydes and terminal alkynes was demonstrated. A bimetallic zinc complex was determined to be the active species.
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Tungsten nitride nanocrystals on nitrogen-doped carbon black as efficient electrocatalysts for oxygen reduction reactions

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,572-575
DOI: 10.1039/C4CC07137A, CommunicationYouzhen Dong, Jinghong Li
A WN/N-carbon black hybrid was synthesized through facile nucleation and growth of WN nanoparticles on simultaneously generated nitrogen-doped carbon black under ammonia annealing.
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Chiral nematic cellulose-gold nanoparticle composites from mesoporous photonic cellulose

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,530-533
DOI: 10.1039/C4CC07596J, CommunicationMaik Schlesinger, Michael Giese, Lina K. Blusch, Wadood Y. Hamad, Mark J. MacLachlan
Nearly monodisperse gold nanoparticles with chiroptical properties are prepared by the in situ reduction of Au3+ inside mesoporous photonic cellulose.
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Allyl sulphides in olefin metathesis: catalyst considerations and traceless promotion of ring-closing metathesis

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,515-518
DOI: 10.1039/C4CC07932A, CommunicationGrant A. Edwards, Phillip A. Culp, Justin M. Chalker
Allyl sulphides provoke rapid olefin metathesis when matched with an appropriate catalyst. In relay metathesis, allyl sulphides can serve as traceless promoters that facilitate the synthesis of non-sulphide targets.
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Reductive electropolymerization of N-methyl-3-pyridylethynyl-porphyrins

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,519-521
DOI: 10.1039/C4CC08157A, CommunicationSung-Chou Huang, Ching-Yao Lin
The first reductive electropolymerization of porphyrins was studied by cyclic voltammetry, UV-visible and FT-IR spectroscopy, and theoretical calculations.
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Epitaxial growth of few-layer MoS2(0001) on FeS2{100}

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,537-540
DOI: 10.1039/C4CC06628F, CommunicationT. Liu, I. Temprano, D. A. King, S. M. Driver, S. J. Jenkins
Depositing Mo on FeS2{100} surfaces and heating to 600 K leads to epitaxial growth of few-layer MoS2(0001) films.
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Near infrared-modulated propulsion of catalytic Janus polymer multilayer capsule motors

11 December, 2014 - 02:17

Chem. Commun., 2015, 51,511-514
DOI: 10.1039/C4CC07182D, CommunicationYingjie Wu, Tieyan Si, Xiankun Lin, Qiang He
The use of a near-infrared (NIR) laser for reversible modulation of a bubble-driven Janus polymer capsule motor is demonstrated.
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