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CH-activating oxidative hydroxylation of 1-tetralones and related compounds with high regio- and stereoselectivity

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04925J, CommunicationGheorghe-Doru Roiban, Ruben Agudo, Adriana Ilie, Richard Lonsdale, Manfred T. Reetz
Mutants of P450-BM3 evolved by directed evolution are excellent catalysts in the CH-activating oxidative hydroxylation of 1-tetralone derivatives and of indanone, with unusually high regio- and enantioselectivity being observed.
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A cleavable azide resin for direct click chemistry mediated enrichment of alkyne-labeled proteins

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05246C, CommunicationChristian Sibbersen, Lennart Lykke, Niels Gregersen, Karl Anker Jorgensen, Mogens Johannsen
The direct conjugation of a labeled proteome to a cleavable azide resin utilizing the copper-catalyzed azide alkyne cycloaddition is demonstrated.
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A new tetrazolate zeolite-like framework for highly selective CO2/CH4 and CO2/N2 separation

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05729E, CommunicationShunshun Xiong, Youjin Gong, Hongxia Wang, Hailong Wang, Qiang Liu, Mei Gu, Xiaolin Wang, Banglin Chen, Zhiyong Wang
A new tetrazolate zeolite-like framework with uncoordinated N atoms and methyl groups exhibits high selectivity for CO2/CH4 and CO2/N2, indicating a synergistic effect of the suitable pore size/shape and functional groups.
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Oxygen-induced self-assembly of quaterphenyl molecules on metal surfaces

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05235H, CommunicationQiang Sun, Chi Zhang, Liangliang Cai, Qinggang Tan, Wei Xu
From high-resolution UHV-STM imaging and DFT calculations we have demonstrated a novel method to construct well-ordered molecular nanostructures of an unfunctionalized aromatic molecule (4Ph) on both Ag(110) and Cu(110) by introducing oxygen molecules.
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Stepwise radial complexation from the outer layer to the inner layer of a dendritic ligand: a phenylazomethine dendrimer with an inverted coordination sequence

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05007J, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Ken Albrecht, Noriko Sakane, Kimihisa Yamamoto
A meta-substituted phenylazomethine dendrimer was discovered as a dendritic ligand that sequentially coordinates to Lewis acids from the outer layer to the inner layer in a stepwise radial fashion.
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Acid-catalyzed acylation reaction via C-C bond cleavage: a facile and mechanistically defined approach to synthesize 3-acylindoles

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05047A, CommunicationQi Xing, Pan Li, Hui Lv, Rui Lang, Chungu Xia, Fuwei Li
A facile approach to synthesize 3-acylindoles via C-C bond cleavage of 1,3-diones: a confirmed tandem process.
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Efficient photochemical oxygen generation from water by phosphorus-doped H2MoO5

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06513A, CommunicationQing Kang, Zhongwei Mei, Tao Wang, Kun Chang, Lequan Liu, Jinhua Ye
Efficient photochemical oxygen generation is achieved using phosphorus-doped H2MoO5 under visible light illumination.
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Modulating H2 sorption in metal-organic frameworks via ordered functional groups

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05265J, CommunicationPhuong V. Dau, Seth M. Cohen
Herein, we present the use of presynthetic and postsynthetic modification (PSM) approaches to regulate the structural organization of functional groups in the pores of isoreticular metal-organic frameworks (IRMOFs).
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Enzyme-based logic gates switchable between OR, NXOR and NAND Boolean operations realized in a flow system

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05769D, CommunicationBrian E. Fratto, Lucas J. Roby, Nataliia Guz, Evgeny Katz
Reprogrammable biocomputing system performing OR, NXOR and NAND logic operations, switchable between the logic gates by chemical signals, was realized in a flow device.
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Chemical biology of genomic DNA: minimizing PCR bias

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05107F, CommunicationGordon R. McInroy, Eun-Ang Raiber, Shankar Balasubramanian
We describe a PCR bias induced by chemical modification of DNA, and exemplify a solution with the design, synthesis and characterization of a cleavable probe designed to leave minimal chemical scarring.
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Construction of supramolecular organogels and hydrogels from crown ether based unsymmetric bolaamphiphiles

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06048B, CommunicationLingyan Gao, Donghua Xu, Bo Zheng
Bolaamphiphilic low-molecular-weight gelators based on crown ethers, which could form organogels and hydrogels, were prepared.
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Copper-catalyzed cyanation of disulfides by azobisisobutyronitrile leading to thiocyanates

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04578E, CommunicationFan Teng, Jin-Tao Yu, Haitao Yang, Yan Jiang, Jiang Cheng
Copper-catalyzed cyanation of disulfides by azobisisobutyronitrile leading to thiocyanates.
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Multi-responsive ionic liquid emulsions stabilized by microgels

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04990J, CommunicationHelene Monteillet, Marcel Workamp, Xiaohua Li, Boelo Schuur, J. Mieke Kleijn, Frans A. M. Leermakers, Joris Sprakel
We present a complete toolbox to use responsive ionic liquid (IL) emulsions for extraction purposes.
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Rhodium(III)-catalyzed C-H activation/[4+3] annulation of N-phenoxyacetamides and [small alpha],[small beta]-unsaturated aldehydes: an efficient route to 1,2-oxazepines at room temperature

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05485G, CommunicationPingping Duan, Xia Lan, Ying Chen, Shao-Song Qian, Jie Jack Li, Liang Lu, Yanbo Lu, Bo Chen, Mei Hong, Jing Zhao
Rhodium-catalyzed C-H bond functionalization led to a [4+3] annulation strategy to access 1,2-oxazepine rings.
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Enantiomeric organogelators from D-/L-arabinose for phase selective gelation of crude oil and their gel as a photochemical micro-reactor

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05950F, Communication Rajkamal, Debnath Chatterjee, Abhijit Paul, Srirupa Banerjee, Somnath Yadav
Easy access via single steps to each enantiomer of a simple chiral organogelator, their gelation abilities and applications are reported.
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Fused core-modified planar antiaromatic 32[small pi] heptaphyrins: unusual synthesis and structural diversity

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05475J, CommunicationGanesan Karthik, A. Srinivasan, C. H. Suresh, Tavarekere K. Chandrashekar
The novel core-modified fused heptaphyrins were synthesized and their 4n[small pi] Huckel antiaromatic electronic strucuture was exploited.
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Transfer hydrogenation of alkenes using Ni/Ru/Pt/Au heteroquatermetallic nanoparticle catalysts: sequential cooperation of multiple nano-metal species

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04559A, CommunicationYoshikazu Ito, Hidetoshi Ohta, Yoichi M. A. Yamada, Toshiaki Enoki, Yasuhiro Uozumi
Quatermetallic alloy nanoparticles of Ni/Ru/Pt/Au were prepared which cooperatively promoted the catalytic transfer hydrogenation of non-activated alkenes with 2-propanol.
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When gold meets chiral Bronsted acid catalysts: extending the boundaries of enantioselective gold catalysis

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04633A, Feature ArticleSuleman M. Inamdar, Ashok Konala, Nitin T. Patil
This review describes the development in the use of Au(I)/Bronsted acid binary catalytic systems to enable an enantioselective transformation in one-pot that cannot be achieved by gold catalysts alone.
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Nitrogen-doped carbon-graphene composites enhance the electrocatalytic performance of the supported Pt catalysts for methanol oxidation

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04887C, CommunicationJianbing Zhu, Meiling Xiao, Xiao Zhao, Kui Li, Changpeng Liu, Wei Xing
A high activity and durability methanol electro-oxidation catalyst was synthesized using novel nitrogen-doped carbon-graphene composites as the support material.
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Cyclic ethers to esters and monoesters to bis-esters with unconventional coupling partners under metal free conditions via sp3 C-H functionalisation

Chem. Commun. - 5 hours 50 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05050A, CommunicationGanesh Majji, Srimanta Guin, Saroj K. Rout, Ahalya Behera, Bhisma K. Patel
Oxidative esterification of sp3 C-H bonds in simple solvents has been achieved using latent ArCOO- sources under metal free conditions.
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