Chem. Commun.

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A rapid synthesis of high aspect ratio copper nanowires for high-performance transparent conducting films

13 February, 2014 - 00:17

Chem. Commun., 2014, 50,2562-2564
DOI: 10.1039/C3CC48561G, CommunicationShengrong Ye, Aaron R. Rathmell, Ian E. Stewart, Yoon-Cheol Ha, Adria R. Wilson, Zuofeng Chen, Benjamin J. Wiley
Copper nanowires with aspect ratios as high as 5700 can be produced in 30 min by preventing radial and tapered growth. Films of these nanowires have a transmittance greater than 95% at a sheet resistance less than 100 [capital Omega] sq-1.
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Unexpected structural motifs in diamine coordination compounds with allyllithium

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2532-2534
DOI: 10.1039/C3CC48873J, CommunicationPrisca K. Eckert, Barbara Schnura, Carsten Strohmann
New diamine coordination compounds with phenyllithium and allyllithium are presented.
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Catalytic asymmetric semipinacol rearrangements

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2393-2408
DOI: 10.1039/C3CC48547A, Feature ArticleShao-Hua Wang, Bao-Sheng Li, Yong-Qiang Tu
Recent progressions in catalytic asymmetric semipinacol rearrangements are summarized in this Feature Article.
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Structural analysis and reactivity of unusual tetrahedral intermediates enabled by SmI2-mediated reduction of barbituric acids: vinylogous N-acyliminium additions to [small alpha]-hydroxy-N-acyl-carbamides

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2518-2521
DOI: 10.1039/C3CC48932A, CommunicationMichal Szostak, Brice Sautier, David J. Procter
Structural characterisation and reactivity of new tetrahedral intermediates derived from barbituric acids by chemoselective electron transfer using SmI2-H2O.
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Ni(II)-salt catalyzed activation of primary amine-sp3C[small alpha]-H and cyclization with 1,2-diketone to tetrasubstituted imidazoles

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2477-2480
DOI: 10.1039/C3CC48437H, CommunicationSrikanta Samanta, Dipanwita Roy, Saikat Khamarui, Dilip K. Maiti
NiCl2[middle dot]6H2O and Ni(OAc)2[middle dot]4H2O were found as efficient catalysts for C-H activation of benzyl and aliphatic amines for an unprecedented multi C-N bond forming cyclization with 1,2-diketones under refluxing toluene to furnish highly substituted and polycyclic imidazoles.
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Spray coating of superhydrophobic and angle-independent coloured films

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2469-2472
DOI: 10.1039/C3CC48962K, CommunicationDengteng Ge, Lili Yang, Gaoxiang Wu, Shu Yang
Fluorosilane treated silica nanoparticles were spray coated on a substrate, creating a superhydrophobic surface with an angle-independent colour film.
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Lithography-assisted alignment control for preparation of mesoporous silica films with uniaxially oriented mesochannels

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2448-2450
DOI: 10.1039/C3CC47667G, CommunicationYusuke Yamauchi, Shinsuke Ishihara, Norihiro Suzuki, Kevin C. W. Wu
We report the lithography-assisted alignment control of one-dimensional (1D) mesochannels. A continuous film with fully uniaxially oriented mesochannels is prepared.
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Trifunctional IrIII ppy-type asymmetric phosphorescent emitters with ambipolar features for highly efficient electroluminescent devices

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2473-2476
DOI: 10.1039/C3CC47875K, CommunicationXianbin Xu, Xiaolong Yang, Jingshuang Dang, Guijiang Zhou, Yong Wu, Hua Li, Wai-Yeung Wong
Asymmetric IrIII ppy-type phosphorescent emitters with ambipolar features were employed to furnish high electroluminescent efficiencies in OLEDs.
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Conjugation of vitamin E analog [small alpha]-TOS to Pt(IV) complexes for dual-targeting anticancer therapy

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2465-2468
DOI: 10.1039/C3CC48740G, CommunicationKogularamanan Suntharalingam, Ying Song, Stephen J. Lippard
We report two platinum(IV) complexes conjugated with a vitamin E analog, [small alpha]-tocopherol succinate ([small alpha]-TOS).
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Enantioselective construction of vicinal all-carbon quaternary centers via catalytic double asymmetric decarboxylative allylation

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2434-2437
DOI: 10.1039/C3CC49064E, CommunicationSantanu Ghosh, Subhajit Bhunia, Badrinath N. Kakde, Subhadip De, Alakesh Bisai
A catalytic double stereoablative enantioselective alkylation of a mixture having racemic and meso diastereomers of bis-esters has been developed for the stereoconvergent construction of vicinal all-carbon quaternary centers.
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Transformylating amine with DMF to formamide over CeO2 catalyst

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2438-2441
DOI: 10.1039/C3CC48400A, CommunicationYehong Wang, Feng Wang, Chaofeng Zhang, Jian Zhang, Mingrun Li, Jie Xu
A new protocol for the formylation of amines, primary or secondary, aromatic or alkyl, cyclic or linear, mono- or di-amine, to the corresponding formamides in good to excellent yields over CeO2 catalyst using DMF as the formylation reagent. No homogeneous acidic or basic additives were required, and the reaction is water tolerant.
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Diastereomeric ratio determination by high sensitivity band-selective pure shift NMR spectroscopy

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2512-2514
DOI: 10.1039/C3CC49659G, CommunicationRalph W. Adams, Liam Byrne, Peter Kiraly, Mohammadali Foroozandeh, Liladhar Paudel, Mathias Nilsson, Jonathan Clayden, Gareth A. Morris
Pure shift NMR using band-selective decoupling allows simpler and more reliable determination of diastereomeric ratio.
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Isolation of a potassium bis(1,2,3-triazol-5-ylidene)carbazolide: a stabilizing pincer ligand for reactive late transition metal complexes

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2431-2433
DOI: 10.1039/C3CC49385G, CommunicationDaniela I. Bezuidenhout, George Kleinhans, Gregorio Guisado-Barrios, David C. Liles, Gael Ung, Guy Bertrand
A dimeric potassium adduct of the bis(1,2,3-triazol-5-ylidene)carbazolide as scaffold for isolating rare examples of a nickel(II) carbene hydride and copper(II) carbene complexes.
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Expedient access to substituted 3-amino-2-cyclopentenones by dirhodium-catalyzed [3+2]-annulation of silylated ketene imines and enoldiazoacetates

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2462-2464
DOI: 10.1039/C3CC48993K, CommunicationXichen Xu, John S. Leszczynski, Savannah M. Mason, Peter Y. Zavalij, Michael P. Doyle
3-Amino-2-cyclopentenones with a quaternary carbon at the 4-position from formal [3+2]-cycloaddition of silylated ketene imines (SKIs) and enoldiazoaceates by dirhodium catalysis.
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'Click cyclic ADP-ribose': a neutral second messenger mimic

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2458-2461
DOI: 10.1039/C3CC49249D, CommunicationJoanna M. Swarbrick, Richard Graeff, Clive Garnham, Mark P. Thomas, Antony Galione, Barry V. L. Potter
Neutral synthetic analogues of the second messenger cADPR with a 1,2,3-triazole pyrophosphate bioisostere retain the ability to activate Ca2+ release and to inhibit hydrolysis of cADPR by CD38.
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Iridium-catalyzed selective [small alpha]-methylation of ketones with methanol

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2491-2493
DOI: 10.1039/C3CC49626K, CommunicationShinji Ogawa, Yasushi Obora
Iridium-catalyzed selective [small alpha]-dimethylation and [small alpha]-methylation of ketones or phenylacetonitriles, using methanol as the methylating agent, were achieved.
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p-Doped three-dimensional graphene nano-networks superior to platinum as a counter electrode for dye-sensitized solar cells

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2412-2415
DOI: 10.1039/C3CC48920E, CommunicationHyo-Jin Ahn, Ik-Hee Kim, Jong-Chul Yoon, Sun-I Kim, Ji-Hyun Jang
A chemical vapor deposition-grown p-doped three-dimensional graphene nano-network-based DSSC exhibits 6% greater photoconversion efficiency than a Pt-based DSSC.
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Catalytic enantioselective trifluoromethylthiolation of oxindoles using shelf-stable N-(trifluoromethylthio)phthalimide and a cinchona alkaloid catalyst

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2508-2511
DOI: 10.1039/C3CC49877H, CommunicationMagnus Rueping, Xiangqian Liu, Teerawut Bootwicha, Roman Pluta, Carina Merkens
The organocatalytic enantioselective trifluoromethylthiolation of oxindoles employing N-(trifluoromethylthio)phthalimide as a stable, easy to handle CF3S-source has been developed.
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Biferrocenium salts with magnetite-like mixed-valence iron: coexistence of Fe3+ and Fe2.5+ in the crystal

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2481-2483
DOI: 10.1039/C3CC49568J, CommunicationTomoyuki Mochida, Eri Nagabuchi, Masashi Takahashi, Hatsumi Mori
[Bis(isopropylthio)biferrocene]2[Ni(mnt)2]3 contains a biferrocenium monocation and dication within the same crystal; the coexistence of Fe3+ and Fe2.5+ was revealed by 57Fe Mossbauer spectroscopy.
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Water-soluble polymers, solid polymer membranes, and coated fibres as smart sensory materials for the naked eye detection and quantification of TNT in aqueous media

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2484-2487
DOI: 10.1039/C3CC49260E, CommunicationJesus L. Pablos, Miriam Trigo-Lopez, Felipe Serna, Felix C. Garcia, Jose M. Garcia
The naked eye detection of TNT in aqueous environments using solid colorimetric sensory polymers and fibres, and in surfaces using water-soluble sensory polymers.
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