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Issue 8, 2015
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Photo-assisted oxidation of thiols to disulfides using cobalt “Nanorust” under visible light

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Abstract

Heterogeneous “Nanorust” containing cobalt oxide has been developed for the visible light assisted oxidation of thiols to disulfides using molecular oxygen as an oxidant under alkaline free conditions and therefore more environmentally friendly. Pyrolysis of heterogenized tetrasulfonated cobalt(II) phthalocyanine (CoPcS) supported on mesoporous ceria (CeO2) transforms it into a novel heterogeneous “Nanorust” containing CoOx-C,N@CeO2 which exhibited higher catalytic activity than the homogeneous CoPcS as well as the ceria immobilized CoPcS catalyst. Importantly, these catalysts could easily be recovered and recycled for several runs, which makes the process greener and cost-effective.

Graphical abstract: Photo-assisted oxidation of thiols to disulfides using cobalt “Nanorust” under visible light

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Publication details

The article was received on 30 Mar 2015, accepted on 07 Jun 2015 and first published on 08 Jun 2015


Article type: Paper
DOI: 10.1039/C5NJ00792E
Citation: New J. Chem., 2015,39, 6193-6200
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    Photo-assisted oxidation of thiols to disulfides using cobalt “Nanorust” under visible light

    D. Chauhan, P. Kumar, C. Joshi, N. Labhsetwar, S. K. Ganguly and S. L. Jain, New J. Chem., 2015, 39, 6193
    DOI: 10.1039/C5NJ00792E

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