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Issue 24, 2017
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Cobalt modified N-doped carbon nanotubes for catalytic C[double bond, length as m-dash]C bond formation via dehydrogenative coupling of benzyl alcohols and DMSO

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Abstract

The development of heterogeneous, cost-effective and environmentally benign catalysts to construct C[double bond, length as m-dash]C bonds is highly desirable. We report here Co@N-doped carbon nanotubes (Co@NCNT) as a catalyst for a novel synthesis of styryl sulfides via dehydrogenative coupling of benzyl alcohols and DMSO under anaerobic conditions. This reaction maintains high atom efficiency as the C[double bond, length as m-dash]C bond is formed without the cracking of the C–S bond. We proposed that Co modified N-doped carbon sites are the active sites, different from traditionally believed metal centers for dehydrogenative C–C coupling. Moreover, the Co@NCNT catalyst could be easily separated and recycled for at least six runs. This work opens up a new application of metal–N–C catalysts in C[double bond, length as m-dash]C bond-forming reactions in synthetic chemistry.

Graphical abstract: Cobalt modified N-doped carbon nanotubes for catalytic C [[double bond, length as m-dash]] C bond formation via dehydrogenative coupling of benzyl alcohols and DMSO

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Publication details

The article was received on 01 Aug 2017, accepted on 10 Nov 2017 and first published on 10 Nov 2017


Article type: Communication
DOI: 10.1039/C7GC02335A
Citation: Green Chem., 2017,19, 5782-5788
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    Cobalt modified N-doped carbon nanotubes for catalytic C[double bond, length as m-dash]C bond formation via dehydrogenative coupling of benzyl alcohols and DMSO

    J. Li, G. Liu, L. Shi, Q. Xing and F. Li, Green Chem., 2017, 19, 5782
    DOI: 10.1039/C7GC02335A

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