Royal Society of Chemistry

Aerobic Oxygenative Cleavage of Electron-Deficient Triple Bonds in the Gold-Catalyzed Cyclization of 1,6-Enynes

Chem. Commun. - 12 hours 37 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04153D, CommunicationSeunghoon Shin, Dilip Vitthal Patil, Hyun-Sup Park, Jaeyoung Koo, Jin Wook Han
Gold-catalyzed aerobic oxygenative cleavage of triple bond that occurs under the ambient pressure of air and at room temperature is reported; Radical inhibition tests suggest that oxygenation occurs via a...
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CH-activating oxidative hydroxylation of 1-tetralones and related compounds with high regio- and stereoselectivity

Chem. Commun. - 12 hours 37 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. - 12 hours 37 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. - 12 hours 37 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. - 12 hours 37 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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Linear dependence of the water proton transverse relaxation rate on the shear modulus of hydrogels

Chem. Commun. - 12 hours 37 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04717F, CommunicationY. Feng, M. B. Taraban, Y. B. Yu
It is found that hydrogelation of peptides enhances the transverse relaxation rate R2 of water protons, and the magnitude of such R2 enhancement increases linearly with the shear modulus G of hydrogels.
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Enhanced CO2 sorption and selectivity by functionalization of a NbO-type metal-organic framework with polarized benzothiadiazole moieties

Chem. Commun. - 12 hours 37 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05833J, CommunicationChengling Song, Yabing He, Bin Li, Yajing Ling, Hailong Wang, Yunlong Feng, Rajamani Krishna, Banglin Chen
A new NbO-type MOF ZJNU-40a decorated with highly polar benzothiadiazole moieties shows high CO2 uptake as well as high selectivity of CO2 over CH4 and N2, outperforming its analogous NOTT-101.
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Tuning cation-anion interactions in ionic liquids by changing the conformational flexibility of the cation

Chem. Commun. - 12 hours 37 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05505E, CommunicationR. K. Blundell, P. Licence
XPS experiments reveal that anion-cation based interactions may be enhanced by the introduction of conformational restriction into substituent chains of quaternary ammonium cations.
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Synthesis of 2-phenylnaphthalenes from styryl-2-methoxybenzenes

Chem. Commun. - 12 hours 37 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05151C, CommunicationRamesh Mudududdla, Rohit Sharma, Sheenu Abbat, Prasad V. Bharatam, Ram A. Vishwakarma, Sandip B. Bharate
A new simple and efficient method for the synthesis of 2-phenylnaphthalenes from electron-rich 1-styryl 2-methoxybenzenes has been described.
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Palladium-catalyzed cyclization of benzamides with arynes: application to the synthesis of phenaglydon and N-methylcrinasiadine

Chem. Commun. - 12 hours 37 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05252H, CommunicationSandeep Pimparkar, Masilamani Jeganmohan
N-Methyl or methoxy substituted benzamides reacted with benzynes in the presence of a palladium catalyst, yielding tricyclic N-methyl or N-methoxy substituted phenanthridinones.
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Synthesis of 1,2-amino alcohols via catalytic C-H amidation of sp3 methyl C-H bonds

Chem. Commun. - 12 hours 37 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05655H, CommunicationTaek Kang, Heejeong Kim, Jeung Gon Kim, Sukbok Chang
A new route to 1,2-amino alcohols is presented by C-H amidation of sp3 methyl C-H bonds as a key step. Various alcohols were employed after converting them to removable ketoxime chelating groups. Iridium-catalyzed C-H amidation and following LAH reduction furnished [small beta]-amino alcohol products.
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Synthesis of spiroaminals by bimetallic Au/Sc relay catalysis: TMS as a traceless controlling group

Chem. Commun. - 12 hours 37 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05610H, CommunicationShuo Zhang, Zhengliang Xu, Jiong Jia, Chen-Ho Tung, Zhenghu Xu
An efficient synthesis of spiroaminals over fused aminals has been successfully developed by bimetallic Au/Sc catalysis by using TMS as a traceless controlling group.
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Zinc-silylene complexes

Chem. Commun. - 12 hours 37 min ago

Chem. Commun., 2014, 50,11401-11403
DOI: 10.1039/C4CC04714A, CommunicationSebastian Schafer, Ralf Koppe, Michael T. Gamer, Peter W. Roesky
The first zinc-silylene complexes are reported.
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Selective oxidations of activated alcohols in water at room temperature

Chem. Commun. - 12 hours 37 min ago

Chem. Commun., 2014, 50,11378-11381
DOI: 10.1039/C4CC05163G, CommunicationB. H. Lipshutz, M. Hageman, J. C. Fennewald, R. Linstadt, E. Slack, K. Voigtritter
Oxidations of activated alcohols can be achieved in aqueous nanoreactors at room temperature using air as the stoichiometric oxidant.
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Efficient alkene hydrogenation over a magnetically recoverable and recyclable Fe3O4@GO nanocatalyst using hydrazine hydrate as the hydrogen source

Chem. Commun. - 12 hours 37 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04770B, CommunicationJohn Mondal, Kim Truc Nguyen, Avijit Jana, Karina Kurniawan, Parijat Borah, Yanli Zhao, Asim Bhaumik
Fe3O4@GO behaves as magnetic heterogeneous nanocatalyst for alkene hydrogenation using hydrazine hydrate as hydrogen source with high TOF values.
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An amine-functionalized metal-organic framework as a sensing platform for DNA detection

Chem. Commun. - 12 hours 37 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05571C, CommunicationHao-Tian Zhang, Jian-Wei Zhang, Gang Huang, Zi-Yi Du, Hai-Long Jiang
An amine-functionalized metal-organic framework (MOF) as a DNA sensing platform, with possible hydrogen bond interaction between DNA and the MOF, has been developed.
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N-doped carbon spheres with hierarchical micropore-nanosheet networks for high performance supercapacitors

Chem. Commun. - 12 hours 37 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04832F, CommunicationShoupei Wang, Jianan Zhang, Pei Shang, Yuanyuan Li, Zhimin Chen, Qun Xu
N-doped carbon spheres with hierarchical micropore-nanosheet networks (HPSCSs) with ultrahigh electrochemical performance were prepared by a facile carbonization and activation process.
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A prochelator with a modular masking group featuring hydrogen peroxide activation with concurrent fluorescent reporting

Chem. Commun. - 12 hours 37 min ago

Chem. Commun., 2014, 50,11317-11320
DOI: 10.1039/C4CC05076B, CommunicationAndrew T. Franks, Katherine J. Franz
Prochelator BCQ incorporates chemical stimulus response, fluorescent reporting and active compound release in a single structure.
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New methods for the synthesis of naphthyl amines; application to the synthesis of dihydrosanguinarine, sanguinarine, oxysanguinarine and (+/-)-maclekarpines B and C

Chem. Commun. - 12 hours 37 min ago

Chem. Commun., 2014, 50,11314-11316
DOI: 10.1039/C4CC05209A, CommunicationMatthew R. Tatton, Iain Simpson, Timothy J. Donohoe
A new method for preparing naphthyl amines is described and then used in the syntheses of several benzo[c]phenanthridine natural products.
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Large negatively charged organic host molecules as inhibitors of endonuclease enzymes

Chem. Commun. - 12 hours 37 min ago

Chem. Commun., 2014, 50,11404-11406
DOI: 10.1039/C4CC04805A, CommunicationYannick Tauran, Christophe Anjard, Beomjoon Kim, Moez Rhimi, Anthony W. Coleman
Endonuclease enzymes can be inhibited in the micromolar range by sulphonated calix-arenes, sulphated cyclodextrin and sulphated cyclodextrin nanoparticles.
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