Chem. Commun.

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A white-light-emitting LnMOF with color properties improved via Eu3+ doping: an alternative approach to a rational design for solid-state lighting

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1820-1823
DOI: 10.1039/C3CC48344D, CommunicationYongqin Wei, Qiaohong Li, Rongjian Sa, Kechen Wu
The intrinsic white-light-emitting properties of a lanthanide metal-organic framework material are easily improved by doping minute quantities of red-emitting Eu3+.
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Highly efficient blue-green delayed fluorescence from copper(I) thiolate complexes: luminescence color alteration by orientation change of the aryl ring

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1801-1803
DOI: 10.1039/C3CC47871H, CommunicationMasahisa Osawa
Three-coordinate thiolate copper(I) complexes are synthesized, which give bright blue emission in 2-MeTHF at 77 K and orange emission at ambient temperature.
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Versatile ruthenium(II)-catalyzed C-H cyanations of benzamides

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1878-1881
DOI: 10.1039/C3CC49502G, CommunicationWeiping Liu, Lutz Ackermann
Direct cyanations of arenes and heteroarenes bearing only weakly coordinating amides were accomplished using a robust ruthenium(II) catalyst.
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Regiodivergent heterocyclization: a strategy for the synthesis of substituted pyrroles and furans using [small alpha]-formyl ketene dithioacetals as common precursors

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1797-1800
DOI: 10.1039/C3CC48546C, CommunicationTing Wu, Ling Pan, Xianxiu Xu, Qun Liu
Substituted oxazolines, pyrroles and furans are prepared based on heterocyclization of methyl isocyanides using [small alpha]-formyl ketene dithioacetals as common precursors.
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Structural insights into how 5-hydroxymethylation influences transcription factor binding

27 January, 2014 - 20:17

Chem. Commun., 2014, 50,1794-1796
DOI: 10.1039/C3CC48151D, CommunicationLukas Lercher, Michael A. McDonough, Afaf H. El-Sagheer, Armin Thalhammer, Skirmantas Kriaucionis, Tom Brown, Christopher J. Schofield
High resolution crystallographic studies of DNA duplexes with cytosine, methylcytosine and hydroxymethylcytosine bases provide evidence that C-5 cytosine modifications can regulate transcription by context dependent effects on DNA transcription factor interactions.
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Beijing symposium 2013: frontiers in organic chemistry

23 January, 2014 - 19:17

Chem. Commun., 2014, 50,1630-1633
DOI: 10.1039/C3CC90403B, Conference ReportQiang Kang, Wenjun Liu
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Organocatalytic photoreduction of Zn(II) to zinc metal

23 January, 2014 - 19:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C3CC47633B, CommunicationAnthony C. Brooks, Katherine Basore, Stefan Bernhard
The photoreduction of Zn(II) to Zn metal catalyzed by 8-hydroxyquinoline derivatives is reported.
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Metal tips on pyramid-shaped PbSe/CdSe/CdS heterostructure nanocrystal photocatalysts: study of Ostwald ripening and core/shell formation

23 January, 2014 - 19:17

Chem. Commun., 2014, 50,1719-1721
DOI: 10.1039/C3CC48919A, CommunicationWhi Dong Kim, Sooho Lee, Chaewon Pak, Ju Young Woo, Kangha Lee, Fabio Baum, Jonghan Won, Doh C. Lee
The Ostwald ripening of metal nanoparticles on pyramid-shaped nanocrystals is elucidated. The controlled overgrowth of the metal shell on existing metal cocatalysts enables the study of the effects of the Fermi level upon photocatalysis using heterostructure nanocrystals.
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Palladium[II] catalysed C(sp3)-H oxidation of dimethyl carbamoyl tetrahydrocarbazoles

23 January, 2014 - 19:17

Chem. Commun., 2014, 50,1757-1760
DOI: 10.1039/C3CC48545E, CommunicationYuji Nakano, David W. Lupton
Dimethyl carbamoyl tetrahydrocarbazoles undergo directed oxidation to exclusively provide products from C(sp3)-H oxidation, a result in contrast to studies on directed C-H olefination of hydrocarbazoles.
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Facet-dependent properties of polyhedral nanocrystals

23 January, 2014 - 19:17

Chem. Commun., 2014, 50,1634-1644
DOI: 10.1039/C3CC48527G, Feature ArticleMichael H. Huang, Sourav Rej, Shih-Chen Hsu
This Feature Article presents facet-dependent photocatalytic, organocatalytic, electrical conductivity, molecular adsorption, and face-selective etching and metal deposition properties of nanocrystals.
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A novel nickel-thiourea-triethylamine complex adsorbed on graphitic C3N4 for low-cost solar hydrogen production

23 January, 2014 - 19:17

Chem. Commun., 2014, 50,1754-1756
DOI: 10.1039/C3CC48141G, CommunicationDonghong Wang, Yuewei Zhang, Wei Chen
A low-cost C3N4-Ni-Tu-TETN system composed of earth-abundant elements shows outstanding photocatalytic efficiencies for hydrogen evolution under solar light.
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Oxovanadium-salen and -salan complexes as effective labels for electrochemical immunosensing: a case study for estradiol detection

23 January, 2014 - 19:17

Chem. Commun., 2014, 50,1658-1661
DOI: 10.1039/C3CC48495E, CommunicationH. Kanso, N. Inguimbert, L. Barthelmebs, G. Istamboulie, F. Thomas, C. Calas-Blanchard, T. Noguer
The principle of an electrochemical estradiol immunosensor.
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Enantioselective 1,4-additions of ClMeAl(CH[double bond, length as m-dash]CHR) (R = alkyl, alkenyl, Ph) to cyclohexenones

23 January, 2014 - 19:17

Chem. Commun., 2014, 50,1655-1657
DOI: 10.1039/C3CC48191C, CommunicationD. Willcox, S. Woodward, A. Alexakis
Easily deprotonated alkynes, hydroaluminated with AlHCl2[middle dot](THF)2, are modified to MeClAl(CH[double bond, length as m-dash]CHR) which adds to cyclohexenone (and 3-methylcyclohexenone): 80-98% ee using Cu/L*.
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Au144-xCux(SC6H13)60 nanomolecules: effect of Cu incorporation on composition and plasmon-like peak emergence in optical spectra

23 January, 2014 - 19:17

Chem. Commun., 2014, 50,1722-1724
DOI: 10.1039/C3CC47060A, CommunicationAsantha C. Dharmaratne, Amala Dass
Copper atoms were incorporated into Au144(SR)60 to make Au144-xCux(SR)60 to modulate its optical properties.
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Design and validation of non-metal oxo complexes for C-H activation

23 January, 2014 - 19:17

Chem. Commun., 2014, 50,1748-1750
DOI: 10.1039/C3CC47502F, CommunicationMu-Jeng Cheng, Ross Fu, William A. Goddard, III
Design of a new series of organometallic molecules that activate C-H bonds through the reduction-coupled oxo activation (ROA) principle, a novel proton/electron-decoupled hydrogen abstraction mechanism.
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Catalytic asymmetric synthesis of 1,3-enyne scaffolds: design and synthesis of conjugated nitro dienynes as novel Michael acceptors and development of a new synthetic methodology

23 January, 2014 - 19:17

Chem. Commun., 2014, 50,1745-1747
DOI: 10.1039/C3CC48951E, CommunicationXiang Li, Fangzhi Peng, Mingtao Zhou, Mingjie Mo, Ruirui Zhao, Zhihui Shao
A catalytic enantioselective synthesis of 1,3-enynes for the development of nitro dienynes as novel Michael acceptors has been developed.
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Intermolecular (4+3) cycloadditions of aziridinyl enolsilanes

23 January, 2014 - 19:17

Chem. Commun., 2014, 50,1738-1741
DOI: 10.1039/C3CC48266A, CommunicationSze Kui Lam, Sarah Lam, Wing-Tak Wong, Pauline Chiu
Upon activation by strong Bronsted acids, aziridinyl enolsilanes undergo (4+3) cycloadditions with dienes to afford aminoalkylated cycloheptenones as products. The use of a highly polar medium such as nitroalkane facilitates high cycloaddition yields of up to 99%. Optically pure aziridinyl enolsilanes react to yield (4+3) cycloadducts with up to 99% ee.
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An isoelectronic NO dioxygenase reaction using a nonheme iron(III)-peroxo complex and nitrosonium ion

23 January, 2014 - 19:17

Chem. Commun., 2014, 50,1742-1744
DOI: 10.1039/C3CC48782B, CommunicationAtsutoshi Yokoyama, Jung Eun Han, Kenneth D. Karlin, Wonwoo Nam
Reaction of a nonheme iron(III)-peroxo complex, [FeIII(14-TMC)(O2)]+, with NO+ affords an iron(IV)-oxo complex, [FeIV(14-TMC)(O)]2+, and nitrogen dioxide (NO2), followed by conversion to the nitrato complex, [FeIII(14-TMC)(NO3)(F)]+.
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The effect of a macrocyclic constraint on electron transfer in helical peptides: A step towards tunable molecular wires

23 January, 2014 - 19:17

Chem. Commun., 2014, 50,1652-1654
DOI: 10.1039/C3CC47885H, CommunicationJingxian Yu, John R. Horsley, Katherine E. Moore, Joe G . Shapter, Andrew D. Abell
A direct link between backbone rigidity and electron transfer has been reported, providing a novel approach for the development of switchable molecular components.
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A fluorescence-based microbial sensor for the selective detection of gold

23 January, 2014 - 19:17

Chem. Commun., 2014, 50,1735-1737
DOI: 10.1039/C3CC48028C, CommunicationHsueh-Wei Tseng, Yi-Jung Tsai, Jia-Ho Yen, Pei-Hsuan Chen, Yi-Chun Yeh
Cupriavidus metallidurans cupR regulon can be used as an effective whole-cell sensor unit in the selective detection of gold ions.
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