Chem. Commun.

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Immobilisation of photoswitchable diarylcyclohexenes synthesised via cobalt-mediated Diels-Alder reaction

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1864-1866
DOI: 10.1039/C3CC48487D, CommunicationPeter Raster, Anastasia Schmidt, Maxie Rambow, Natascha Kuzmanovic, Burkhard Konig, Gerhard Hilt
Functionalised photoswitches - photochromic dithienylcyclohexenes were prepared in two steps initiated by a cobalt-mediated Diels-Alder reaction of internal alkynes with isoprenylpinacolboronic ester.
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Synthesis of [gamma]-labeled nucleoside 5[prime or minute]-triphosphates using click chemistry

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1861-1863
DOI: 10.1039/C3CC48937J, CommunicationS. Serdjukow, F. Kink, B. Steigenberger, M. Tomas-Gamasa, T. Carell
A straightforward and efficient synthesis of [gamma]-fluorophore labeled nucleoside 5[prime or minute]-triphosphates is reported, using Cu(I) catalyzed Huisgen cycloadditions.
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An air-supported liquid crystal system for real-time reporting of host-guest inclusion events

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1857-1860
DOI: 10.1039/C3CC48885C, CommunicationFang Zuo, Zhijian Liao, Chenxu Zhao, Zhenli Qin, Xinhua Li, Chang Zhang, Dong Liu
A new method for reporting host-guest inclusion phenomena using an air-supported liquid crystal system based on cyclodextrins was developed.
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Transparent p-type epitaxial thin films of nickel oxide

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1854-1856
DOI: 10.1039/C3CC48877B, CommunicationPengfei Zhai, Qinghua Yi, Jie Jian, Haiyan Wang, Pingyuan Song, Chao Dong, Xin Lu, Yinghui Sun, Jie Zhao, Xiao Dai, Yanhui Lou, Hao Yang, Guifu Zou
A chemical solution method of polymer-assisted deposition has been employed to epitaxially grow transparent p-type nickel oxide thin films.
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A top-down approach to prepare silicoaluminophosphate molecular sieve nanocrystals with improved catalytic activity

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1845-1847
DOI: 10.1039/C3CC48264B, CommunicationMiao Yang, Peng Tian, Chan Wang, Yangyang Yuan, Yue Yang, Shutao Xu, Yanli He, Zhongmin Liu
A universal post-synthesis milling and recrystallization method was developed to prepare SAPO-34 nanocrystals with improved MTO catalytic activity.
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Automated glycopeptide assembly by combined solid-phase peptide and oligosaccharide synthesis

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1851-1853
DOI: 10.1039/C3CC48761J, CommunicationMattan Hurevich, Peter H. Seeberger
Automated synthesis of glycopeptides was achieved using monosaccharide and amino acid building blocks. Using polystyrene beads equipped with photo-labile linker as solid support, all synthetic manipulations were performed using a single instrument.
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An omega-like DNA nanostructure utilized for small molecule introduction to stimulate formation of DNAzyme-aptamer conjugates

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1900-1902
DOI: 10.1039/C3CC49005J, CommunicationBingqian Liu, Bing Zhang, Guonan Chen, Dianping Tang
A novel, label-free omega-like DNA nanostructure was for the first time utilized for the homogenous electronic monitoring of small molecules (ATP used in this case) accompanying the formation of DNAzyme-aptamer conjugates upon target analyte introduction.
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Conformational changes of graphene nanosheets induced by metal: melting metal can spin a graphene cocoon to encapsulate itself

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1886-1889
DOI: 10.1039/C3CC48311H, CommunicationJisheng Zhou, Huaihe Song, Xiaoting Zhang, Xiaohong Chen
Melting metal can induce conformational changes of GNSs and, finally, construct graphene-coated metal spheres.
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Highly sensitive hydrazine chemical sensor based on ZnO nanorods field-effect transistor

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1890-1893
DOI: 10.1039/C3CC48197B, CommunicationRafiq Ahmad, Nirmalya Tripathy, Da-Un-Jin Jung, Yoon-Bong Hahn
A hydrazine chemical sensor based on a ZnO nanorods FET, where the ZnO nanorods were grown directly on a Si/SiO2 substrate between a source-drain, has been fabricated.
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An octanuclear {CuII4DyIII4} coordination cluster showing single molecule magnet behaviour from field accessible states

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1882-1885
DOI: 10.1039/C3CC46458J, CommunicationIrina A. Kuhne, Nicola Magnani, Valeriu Mereacre, Wolfgang Wernsdorfer, Christopher E. Anson, Annie K. Powell
The structure and magnetic properties of an octanuclear coordination cluster with a {CuII4DyIII4} core are described and a model for the unusual SMM behaviour is proposed.
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Pharmaceutical hydrates under ambient conditions from high-pressure seeds: a case study of GABA monohydrate

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1817-1819
DOI: 10.1039/C3CC48466A, CommunicationFrancesca P. A. Fabbiani, Gernot Buth, Demetrius C. Levendis, Aurora J. Cruz-Cabeza
A monohydrate form of the neurotransmitter [gamma]-amino butyric acid (GABA) has been crystallised in the 0.4-0.8 GPa pressure range, recovered to ambient pressure and then used as a seed. Theoretical calculations have been used to rationalise the experimental observations and gain an insight into thermodynamic stability.
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A metal surface with chiral memory

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1814-1816
DOI: 10.1039/C3CC48797K, CommunicationChrysanthi Karageorgaki, Karl-Heinz Ernst
Prochiral molecules locally induce a chiral restructuring of the Cu(110) surface that persists after removal of the molecules.
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Efficient photocatalytic hydrogen generation from water by a cationic cobalt(II) porphyrin

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1842-1844
DOI: 10.1039/C3CC48882A, CommunicationMirco Natali, Alessandra Luisa, Elisabetta Iengo, Franco Scandola
Efficient photocatalytic hydrogen evolution from neutral aqueous solution is obtained using Co(II) porphyrin as catalyst, tris(bipyridine)Ru(II) as sensitizer, and ascorbic acid as sacrificial donor.
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Water molecule-driven reversible single-crystal to single-crystal transformation of a multi-metallic coordination polymer with controllable metal ion movement

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1839-1841
DOI: 10.1039/C3CC47559J, CommunicationZheng Niu, Jian-Gong Ma, Wei Shi, Peng Cheng
The guest Co2+ ion in the cavity of a new multi-metallic coordination polymer can be driven through coordination and de-coordination of water molecules, as illustrated by the single crystal X-ray diffraction technique and the single-crystal to single-crystal transition procedure.
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Selective monomethylation of primary amines with simple electrophiles

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1836-1838
DOI: 10.1039/C3CC48997C, CommunicationThomas Lebleu, Xiaolu Ma, Jacques Maddaluno, Julien Legros
Monomethylation of primary amines with methyl triflate occurs with high selectivity in HFIP.
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Chirality meets visible-light photocatalysis in a molecular cerium vanadium oxide cluster

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1827-1829
DOI: 10.1039/C3CC48834A, CommunicationAndrey Seliverstov, Carsten Streb
A concise synthetic procedure is reported which gives access to a chiral molecular cerium vanadium oxide cluster with high visible-light photocatalytic activity.
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Highly diastereoselective cyclopropanation of [small alpha]-methylstyrene catalysed by a C2-symmetrical chiral iron porphyrin complex

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1811-1813
DOI: 10.1039/C3CC48605B, CommunicationDaniela Intrieri, Stephane Le Gac, Alessandro Caselli, Eric Rose, Bernard Boitrel, Emma Gallo
A new chiral iron porphyrin complex performed stereoselective cyclopropanation of [small alpha]-methylstyrene with outstanding TON and TOF values (up to 20 000 and 120 000 h-1 respectively).
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Size-selective hydrogenation at the subnanometer scale over platinum nanoparticles encapsulated in silicalite-1 single crystal hollow shells

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1824-1826
DOI: 10.1039/C3CC48648F, CommunicationShiwen Li, Tommy Boucheron, Alain Tuel, David Farrusseng, Frederic Meunier
A new method enables preparing a single particle of platinum encapsulated in a hollow single crystal of a microporous silicalite-1. The sample was able to hydrogenate toluene, but not mesitylene, proving that the level of defects in the structure was negligible.
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Measurements of local chemistry and structure in Ni(O)-YSZ composites during reduction using energy-filtered environmental TEM

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1808-1810
DOI: 10.1039/C3CC46682E, CommunicationQuentin Jeangros, Thomas W. Hansen, Jakob B. Wagner, Rafal E. Dunin-Borkowski, Cecile Hebert, Jan Van herle, Aicha Hessler-Wyser
Energy-filtered TEM imaging during reaction with hydrogen at high temperature provides quantitative information about chemical and structural changes in NiO-YSZ.
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Circular permutation of E. coli EPSP synthase: increased inhibitor resistance, improved catalytic activity, and an indicator for protein fragment complementation

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1830-1832
DOI: 10.1039/C3CC48722A, CommunicationXiongfeng Dai, Manlu Zhu, Yi-Ping Wang
Circular permutation can increase an enzyme's inhibitor resistance and is a good indicator for establishing protein fragment complementation.
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