Chem. Commun.

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Rh(III)-catalyzed oxidative C-H bond arylation with hydroquinones: sustainable synthesis of dibenzo[b,d]pyran-6-ones and benzo[d]naphtho[1,2-b]pyran-6-ones

15 December, 2014 - 03:17

Chem. Commun., 2015, 51,661-664
DOI: 10.1039/C4CC08260E, CommunicationWei Yang, Shan Wang, Qian Zhang, Qun Liu, Xianxiu Xu
An efficient Rh(III)-catalyzed C-H bond arylation with phenol derivatives was developed for the direct and sustainable synthesis of dibenzo[b,d]pyran-6-ones and benzo[d]naphtho[1,2-b]pyran-6-ones.
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A lithium air battery with a lithiated Al-carbon anode

15 December, 2014 - 03:17

Chem. Commun., 2015, 51,676-678
DOI: 10.1039/C4CC07315K, CommunicationZiyang Guo, XiaoLi Dong, Yonggang Wang, Yongyao Xia
A lithiated Al-carbon electrode was coupled with an O2 catalytic electrode to form a rechargeable Li-O2 (or air) battery.
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Saccharides and temperature dual-responsive hydrogel layers for harvesting cell sheets

15 December, 2014 - 03:17

Chem. Commun., 2015, 51,644-647
DOI: 10.1039/C4CC08183H, CommunicationBingbing Guo, Guoqing Pan, Qianping Guo, Caihong Zhu, Wenguo Cui, Bin Li, Huilin Yang
A novel non-invasive approach for harvesting cell sheets was demonstrated just by adding saccharide biomolecules into cell culture medium and without reduction of the temperature.
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Direct synthesis of ordered imidazolyl-functionalized mesoporous polymers for efficient chemical fixation of CO2

15 December, 2014 - 03:17

Chem. Commun., 2015, 51,682-684
DOI: 10.1039/C4CC08062A, CommunicationWei Zhang, Tingying Liu, Haihong Wu, Peng Wu, Mingyuan He
Synthesis of imidazolyl-functionalized ordered mesoporous polymers (IM-MPs) and their application as efficient heterogeneous catalysts for the cycloaddition of CO2 to epoxides.
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Orchestrated photocatalytic hydrogen generation using surface-adsorbing iridium photosensitizers

15 December, 2014 - 03:17

Chem. Commun., 2015, 51,685-688
DOI: 10.1039/C4CC08423C, CommunicationYan-Jie Wang, Gang Chang, Qingyun Chen, Guan-Jun Yang, Sheng-Qiang Fan, Baizeng Fang
Novel Ir-PSs with formyl bipyridyl ligands in different positions demonstrate hydrogen generation with much higher turnover numbers than the non-formyl bipyridyl Ir-PS.
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One-pot cascade synthesis of N-methoxyisoquinolinediones via Rh(III)-catalyzed carbenoid insertion C-H activation/cyclization

15 December, 2014 - 03:17

Chem. Commun., 2015, 51,668-671
DOI: 10.1039/C4CC08407A, CommunicationJingjing Shi, Jie Zhou, Yunnan Yan, Jinlong Jia, Xuelei Liu, Huacan Song, H. Eric Xu, Wei Yi
A mild and efficient method for one-pot synthesis of N-methoxyisoquinolinediones via Rh(III)-catalyzed carbenoid insertion C-H activation/cyclization has been developed.
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Switching intermolecular interactions by confinement in carbon nanotubes

15 December, 2014 - 03:17

Chem. Commun., 2015, 51,648-651
DOI: 10.1039/C4CC08029G, CommunicationT. W. Chamberlain, M. A. Lebedeva, W. Abuajwa, M. Suyetin, W. Lewis, E. Bichoutskaia, M. Schroder, A. N. Khlobystov
Carbon nanotube encapsulation offers a mechanism to trap kinetically rather than thermodynamically favoured supramolecular arrays.
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Facile preparation of cobalt disulfide/reduced graphene oxide composite film as an efficient counter electrode for dye-sensitized solar cells

11 December, 2014 - 02:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08288E, CommunicationLijuan Sun, Yu Bai, kening sun
Cobalt disulfide (CoS2)/reduced graphene oxide (RGO) composite (CSG) films, which prepared by combining layer by layer assembly method and thermal treatment, are used as counter electrodes (CEs) for dye-sensitized solar...
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Cascade catalysis - strategies and challenges en route to preparative synthetic biology

11 December, 2014 - 02:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08752F, Feature ArticleJan Muschiol, Christin Peters, Nikolin Oberleitner, Marko Mihovilovic, Uwe Bornscheuer, Florian Rudroff
Nature's smartness and efficiency assembling cascade type reactions inspired biologists and chemists all around the world. Tremendous effort has been put in the understanding and mimicking of such networks. In...
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Hierarchically porous and nitrogen, sulfur-codoped graphene-like microspheres as a high capacity anode for lithium ion batteries

11 December, 2014 - 02:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08297D, CommunicationDongfei Sun, Juan Yang, Xingbin Yan
Novel hierarchically porous and nitrogen, sulfur-codoped graphene-like microspheres (3D NS-GSs) are synthesized using Ni microspheres as template and using poly(vinylpyrrolidone) and (NH4)2S2O8 as the carbon and nitrogen precursor, respectively. As...
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Nanoparticle-electrode collisions as a dynamic seeding route for the growth of metallic nanostructures

11 December, 2014 - 02:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC09614B, CommunicationAndrew Pearson, Anthony Peter O'Mullane
The collisions between colloidal metal nanoparticles and a carbon electrode were explored as a dynamic method for the electrodeposition of a diverse range of electrocatalytically active Ag and Au nanostructures...
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The Best of Both Worlds: Active Enzymes by Grafting-To followed by Grafting-From a Protein

11 December, 2014 - 02:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC09287B, CommunicationRebecca Falatach, Cameron McGlone, M. Sameer Al-Abdul-Wahid, Saadyah Averick, Richard C. Page, Jason A. Berberich, Dominik Konkolewicz
Hydrophilic polymers were attached to lysozyme by a combination of grafting-to and grafting-from approaches using RAFT polymerization. A hydrophilic oligomer was synthesized, and attached to the protein. The protein-oligomer hybrid...
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Construction of tetralin skeletons based on rhodium-catalysed site-selective ring opening of benzocyclobutenols

11 December, 2014 - 02:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC09327E, CommunicationNaoki Ishida, Norikazu Ishikawa, Shota Sawano, Yusuke Masuda, Masahiro Murakami
Tetralins (tetrahydronaphthalenes) are synthesised from benzocyclobutenols based on the rhodium-catalysed site-selective ring opening followed by intermolecular/intramolecular conjugate addition of the resulting arylrhodium species to electron-deficient alkenes. The produced structures make...
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Triazolo-[small beta]-Aza-[varepsilon]-Amino Acid and Its Aromatic Analogue as Novel Scaffolds for [small beta]-turn Peptidomimetics

11 December, 2014 - 02:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08414D, CommunicationSubhendu Sekhar Bag, Subhashis Jana, Afsana Yashmeen, Suranjan De
Triazolo-[small beta]-aza-[varepsilon]-amino acid and its aromatic analogue (AlTAA/ArTAA) in peptide backbone mark a novel class of conformationally constrained molecular scaffolds to induce [small beta]-turn conformations. This was demonstrated for AlTAA in a...
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Highly Regioselective Osmium-Catalyzed Hydroformylation

11 December, 2014 - 02:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05626D, CommunicationLipeng Wu, qiang liu, Anke Spannenberg, Ralf Jackstell, Matthias Beller
The first highly regioselective and general osmium-catalyzed hydroformylation of olefins to aldehydes is reported. The combination of Os3(CO)12 and imidazoyl-substituted phosphine ligands allows n-selective (up to 99%) hydroformylation of bulk...
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One-step synthesis of magnetic hollow mesoporous silica (MHMS) nanospheres for drug delivery nanosystems via electrostatic self-assembly templated approach

11 December, 2014 - 02:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08914F, CommunicationFang Liu, Jingnan Wang, Qingyun Cao, Haidong Deng, guang shao, David Y. B. Deng, Wuyi Zhou
In this work, the yolk-shell structured magnetic hollow mesoporous silica (MHMS) nanospheres with controllable magnetic responsibility, high specific surface area, huge cavity and ink-bottle type mesopores were one-step synthesized successfully...
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Interaction of A[small beta] peptide with tubulin causes inhibition of tubulin polymerization and apoptotic death of cancer cells

11 December, 2014 - 02:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC09390A, CommunicationAbhijit Saha, Saswat Mohapatra, Prashant Kurkute, Batakrishna Jana, Prasenjit Mondal, Debmalya Bhunia, Subhajit Ghosh, Surajit Ghosh
Both cancer and Alzheimer's diseases (AD) are caused by metabolic dysregulation and complex in nature. However, patients suffering from both diseases are extremely rare. One of the crucial cytoskeleton proteins...
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Sensitive detection of T4 polynucleotide kinase activity based on [small beta]-cyclodextrin polymer enhanced fluorescence combined with exonuclease reaction

11 December, 2014 - 02:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08991J, CommunicationChunxia Song, Xiaohai Yang, Kemin Wang, Qing Wang, Jianbo Liu, Jin Huang, Leiliang He, Pei Liu, Zhihe Qing, Wei Liu
A strategy for T4 polynucleotide kinase activity detection was proposed based on [small beta]-cyclodextrin polymer (poly[small beta]-CD) and exonuclease reaction. The fluorescence of pyrene enhanced more than 10 times in the presence...
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A Solvated Zinc Analogue of the Calomel-Dication

11 December, 2014 - 02:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08850F, CommunicationHung Banh, Christian Gemel, Rudiger W Seidel, Roland Fischer
The synthesis and characterisation of the solvent-stabilized salt [Zn2(THF)6]2+[BAr4F]-2 (1) is presented, which features the dizinc dication [Zn2]2+ as analogue of the calomel dication [Hg2]2+. The labile tetrahydrofuran (THF) solvate...
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A new method to prevent degradation of lithium-oxygen batteries: reduction of superoxide by viologen

11 December, 2014 - 02:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC09208B, CommunicationLuyi Yang, James T. Frith, Nuria Garcia-Araez, J R Owen
Lithium-oxygen battery development is hampered by degradation reactions initiated by superoxide, which is formed in the pathway of oxygen reduction to peroxide. This work demonstrates that the superoxide lifetime is...
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