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Efficient synthesis of alkylboronic esters via magnetically recoverable copper nanoparticle-catalyzed borylation of alkyl chlorides and bromides

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Abstract

We report a magnetically separable Cu nanocatalyst (Fe-DOPA-Cu) for the borylation of alkyl halides with alkoxy diboron reagents, providing alkylboronic esters in high yields, with broad functional group tolerance under mild reaction conditions. The procedure is also applicable to the borylation of benzyl chlorides and bromides. Radical clock experiments support a radical-mediated process. Easy recycling of the catalyst resulted in no significant loss of activity up to ten runs.

Graphical abstract: Efficient synthesis of alkylboronic esters via magnetically recoverable copper nanoparticle-catalyzed borylation of alkyl chlorides and bromides

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Article information


Submitted
25 Feb 2020
Accepted
19 Mar 2020
First published
20 Mar 2020

Green Chem., 2020, Advance Article
Article type
Paper

Efficient synthesis of alkylboronic esters via magnetically recoverable copper nanoparticle-catalyzed borylation of alkyl chlorides and bromides

M. L. Shegavi, A. Agarwal and S. K. Bose, Green Chem., 2020, Advance Article , DOI: 10.1039/D0GC00677G

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