Chem. Commun.

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Noble-metal-free photocatalysts MoS2-graphene/CdS mixed nanoparticles/nanorods morphology with high visible light efficiency for H2 evolution

25 August, 2014 - 23:54

Chem. Commun., 2014, 50,11004-11007
DOI: 10.1039/C4CC04653F, CommunicationMiaomiao Liu, Fengyan Li, Zhixia Sun, Lifang Ma, Lin Xu, Yuanhong Wang
A highly active photocatalyst MoS2-graphene/CdS with mixed nanoparticles/nanorods morphology was synthesized by a facile two-step hydrothermal method for H2 evolution. In the absence of noble metals, a remarkable quantum yield of 65.8% was achieved at 420 nm.
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A DNA-templated synthesis of encoded small molecules by DNA self-assembly

25 August, 2014 - 23:54

Chem. Commun., 2014, 50,10997-10999
DOI: 10.1039/C4CC03380A, CommunicationCheng Cao, Peng Zhao, Ze Li, Zitian Chen, Yanyi Huang, Yu Bai, Xiaoyu Li
Encoded libraries can be prepared by DNA-templated synthesis without any DNA template.
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Metal induced gelation from pyridine cored poly(aryl ether) dendrons with in situ synthesis and stabilization of hybrid hydrogel composites

25 August, 2014 - 23:54

Chem. Commun., 2014, 50,11023-11025
DOI: 10.1039/C4CC04231J, CommunicationP. Rajamalli, Partha Malakar, Supriya Atta, Edamana Prasad
Metal induced gel formation from pyridine cored poly(aryl ether) dendrons has been achieved. In addition, the gel is successfully utilized for in situ synthesis and stabilization of silver nanoparticles (AgNPs), which form an unprecedented, well-organized arrangement on the nanofibers.
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A homolytic oxy-functionalization mechanism: intermolecular hydrocarbyl migration from M-R to vanadate oxo

25 August, 2014 - 23:54

Chem. Commun., 2014, 50,10994-10996
DOI: 10.1039/C4CC03067B, CommunicationMu-Jeng Cheng, Robert J. Nielsen, William A. Goddard III
Carbon-oxygen bond formation proceeds via intermolecular phenyl migration from OVCl2Ph to the oxo of OVCl3.
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Star-shaped hole transporting materials with a triazine unit for efficient perovskite solar cells

25 August, 2014 - 23:54

Chem. Commun., 2014, 50,10971-10974
DOI: 10.1039/C4CC04550E, CommunicationKwangseok Do, Hyeju Choi, Kimin Lim, Hyunjun Jo, Jin Woo Cho, Mohammad K. Nazeeruddin, Jaejung Ko
Novel star-shaped hole transporting materials with a triazine unit have been synthesized.
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A novel fluorene-based gold(I) complex with aggregate fluorescence change: a single-component white light-emitting luminophor

25 August, 2014 - 23:54

Chem. Commun., 2014, 50,11033-11035
DOI: 10.1039/C4CC04469J, CommunicationZhao Chen, Di Wu, Xie Han, Jinhua Liang, Jun Yin, Guang-Ao Yu, Sheng Hua Liu
A new fluorene-based gold(I) complex is reported. The novel luminogen emits direct white light without involving complex doping procedures.
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Total syntheses of (+/-)-musellarins A-C

25 August, 2014 - 23:54

Chem. Commun., 2014, 50,10990-10993
DOI: 10.1039/C4CC05248J, CommunicationZhilong Li, Tsz-Fai Leung, Rongbiao Tong
The first, diastereoselective total syntheses of musellarins A-C were achieved concisely with 7.8-9.8% yields in 15-16 steps, featuring (i) Achmatowicz rearrangement, Kishi reduction, and Friedel-Crafts cyclization to construct the tricyclic framework and (ii) Heck coupling of aryldiazonium salts to introduce the aryl group into the dihydropyran in a 2,6-trans fashion.
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The design and synthesis of an innovative octacarboxy-silsesquioxane building block

25 August, 2014 - 23:54

Chem. Commun., 2014, 50,11008-11011
DOI: 10.1039/C4CC03756A, CommunicationSwaminathan Shanmugan, Damiano Cani, Paolo P. Pescarmona
A novel silsesquioxane compound characterised by eight carboxyl groups organised in a cubic symmetry was prepared by a multi-step regioselective synthesis. This compound displays highly attractive chemical and geometrical features for application as a building block in self-assembly processes.
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Tailor-made graphite oxide-DAB poly(propylene imine) dendrimer intercalated hybrids and their potential for efficient CO2 adsorption

25 August, 2014 - 23:54

Chem. Commun., 2014, 50,10967-10970
DOI: 10.1039/C4CC03996C, CommunicationT. Tsoufis, F. Katsaros, Z. Sideratou, G. Romanos, O. Ivashenko, P. Rudolf, B. J. Kooi, S. Papageorgiou, M. A. Karakassides
We report the rational design and synthesis of DAB poly(propylene imine) dendrimer (DAB) intercalated graphite oxide (GO) hybrids with tailorable interlayer distances.
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Stepwise modulation of the electron-donating strength of ancillary ligands: understanding the AIE mechanism of cationic iridium(III) complexes

25 August, 2014 - 23:54

Chem. Commun., 2014, 50,10986-10989
DOI: 10.1039/C4CC03423F, CommunicationYong Wu, Hai-Zhu Sun, Hong-Tao Cao, Hai-Bin Li, Guo-Gang Shan, Yu-Ai Duan, Yun Geng, Zhong-Min Su, Yi Liao
The aggregation-induced emission (AIE) mechanism for cationic Ir(III) complexes with triazole-pyridine ligands was determined by an experimental and computational study.
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Guanidyl-functionalized graphene as a bifunctional adsorbent for selective enrichment of phosphopeptides

25 August, 2014 - 23:54

Chem. Commun., 2014, 50,10963-10966
DOI: 10.1039/C4CC04327H, CommunicationLin-Nan Xu, Li-Ping Li, Liang Jin, Yu Bai, Hu-Wei Liu
This novel bi-functional gfg provides two enriching performances, one is for global phosphopeptides, and the other is for multi-phosphopeptides with consecutive phosphorylated residues.
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A kinetically protected pyrene: molecular design, bright blue emission in the crystalline state and aromaticity relocation in its dicationic species

25 August, 2014 - 23:54

Chem. Commun., 2014, 50,10956-10958
DOI: 10.1039/C4CC03645J, CommunicationAkinobu Matsumoto, Mitsuharu Suzuki, Daiki Kuzuhara, Junpei Yuasa, Tsuyoshi Kawai, Naoki Aratani, Hiroko Yamada
The aromaticity of sterically congested tetranaphthylpyrene relocates from the biphenyl part to the naphthalene unit upon the two-electron oxidation.
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Mesoporous W18O49 hollow spheres as highly active photocatalysts

25 August, 2014 - 23:54

Chem. Commun., 2014, 50,10959-10962
DOI: 10.1039/C4CC02201G, CommunicationZhen-Feng Huang, Jiajia Song, Lun Pan, Fenglei Lv, Qingfa Wang, Ji-Jun Zou, Xiangwen Zhang, Li Wang
Mesoporous hollow W18O49 spheres are synthesized for the first time and show significantly high photocatalytic and PEC performance than other reported morphologies due to the enhancement in light harvesting, surface area and adsorption capability.
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Ionic nanoparticle networks: development and perspectives in the landscape of ionic liquid based materials

25 August, 2014 - 23:54

Chem. Commun., 2014, 50,10929-10936
DOI: 10.1039/C4CC02419B, Feature ArticleMarie-Alexandra Neouze, Martin Kronstein, Frederik Tielens
This article summarizes the research performed on ionic nanoparticle networks compared with other hybrid materials like ionogels or imidazolium modified nanoparticles.
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Cyclization and annulation reactions of nitrogen-substituted cyclopropanes and cyclobutanes

25 August, 2014 - 23:54

Chem. Commun., 2014, 50,10912-10928
DOI: 10.1039/C4CC03194F, Feature ArticleF. de Nanteuil, F. De Simone, R. Frei, F. Benfatti, E. Serrano, J. Waser
This feature article covers recent progress in cyclization and annulation reactions of aminocyclopropanes and aminocyclobutanes to access nitrogen-rich building blocks.
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Disposable paper-based bipolar electrode for sensitive electrochemiluminescence detection of a cancer biomarker

25 August, 2014 - 23:54

Chem. Commun., 2014, 50,10949-10951
DOI: 10.1039/C4CC03102D, CommunicationQiu-Mei Feng, Jian-Bin Pan, Huai-Rong Zhang, Jing-Juan Xu, Hong-Yuan Chen
A disposable paper-based bipolar electrode (BPE) was reported for the first time for the sensitive electrochemiluminescence detection of a prostate specific antigen (PSA).
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Lanthanoid [small beta]-triketonates: a new class of highly efficient NIR emitters for bright NIR-OLEDs

23 August, 2014 - 23:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04961F, CommunicationBrodie L. Reid, Stefano Stagni, Joanna M. Malicka, Massimo Cocchi, Garry S. Hanan, Mark I. Ogden, Massimiliano Massi
A bimetallic tetranuclear Yb3+/K+ complex obtained using [small beta]-triketonate ligands was found to be a suitable precursor for the fabrication of near-infrared Organic Light Emitting Devices that outclass any other previously reported lanthanoid-based near-infrared device.
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Molybdenum phosphide: a new highly efficient catalyst for the electrochemical hydrogen evolution reaction

23 August, 2014 - 23:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05936K, CommunicationXiaobo Chen, Dezhi Wang, Zhiping Wang, Pan Zhou, Zhuangzhi Wu, Feng Jiang
Molybdenum phosphide was adopted as a new electrocatalyst for the hydrogen evolution reaction for the first time, exhibiting an excellent electrocatalytic activity with a small Tafel slope of 60 mV dec-1, which is amongst the most active, acid-stable, earth abundant HER electrocatalysts reported to date.
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Storable N-phenylcarbamate palladacycles for rapid functionalization of an alkyne-encoded protein

23 August, 2014 - 23:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC02969K, CommunicationGang Cheng, Reyna K. V. Lim, Carlo P. Ramil, Qing Lin
Here we report the synthesis of storable N-phenylcarbamate palladacycles that showed robust reactivity in the cross-coupling reactions with an alkyne-encoded protein with a second-order rate constant approaching 19 770 +/- 930 M-1 s-1.
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The copper(I)-catalyzed tandem reaction of o-alkynylphenyl isothiocyanates with isocyanides: a rapid synthesis of 5H-benzo[d]imidazo[5,1-b][1,3]thiazines

21 August, 2014 - 22:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04057K, CommunicationWenyan Hao, Jiangbo Zeng, Mingzhong Cai
An efficient route to 5H-benzo[d]imidazo[5,1-b][1,3]thiazines has been developed using the copper(I)-catalyzed tandem reaction of o-alkynylphenyl isothiocyanates with isocyanides in THF with Cs2CO3 as base.
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