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Issue 12, 2016
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A well-defined low-valent cobalt catalyst Co(PMe3)4 with dimethylzinc: a simple catalytic approach for the reductive dimerization of benzyl halides

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Abstract

Herein, we report the first catalytic version of a cobalt-catalysed reductive homocoupling of benzyl halides which proceeds with low catalyst loadings (0.5 to 5 mol%). By synthetizing each cobalt intermediate we demonstrate that reaction proceeds through two single electron transfers (SET) and that dimethylzinc is only involved in the regeneration of the catalytic species.

Graphical abstract: A well-defined low-valent cobalt catalyst Co(PMe3)4 with dimethylzinc: a simple catalytic approach for the reductive dimerization of benzyl halides

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Publication details

The article was received on 18 Oct 2016, accepted on 14 Nov 2016 and first published on 16 Nov 2016


Article type: Letter
DOI: 10.1039/C6NJ03265F
Citation: New J. Chem., 2016,40, 9912-9916
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    A well-defined low-valent cobalt catalyst Co(PMe3)4 with dimethylzinc: a simple catalytic approach for the reductive dimerization of benzyl halides

    B. J. Fallon, V. Corcé, M. Amatore, C. Aubert, F. Chemla, F. Ferreira, A. Perez-Luna and M. Petit, New J. Chem., 2016, 40, 9912
    DOI: 10.1039/C6NJ03265F

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