Issue 33, 2021

Copper(ii)-catalyzed protoboration of allenes in aqueous media and open air

Abstract

A method has been developed for the facile Cu(II)-catalyzed protoboration of monosubstituted allenes in aqueous media under atmospheric conditions. The reaction occurs site selectively, favoring internal alkene protoboration to afford 1,1-disubstituted vinylboronic acid derivatives (up to 93 : 7) with modest to good yields. The method has been applied to a variety of phenylallene derivatives as well as alkyl-substituted allenes.

Graphical abstract: Copper(ii)-catalyzed protoboration of allenes in aqueous media and open air

Supplementary files

Article information

Article type
Paper
Submitted
21 abr. 2020
Accepted
09 jun. 2020
First published
09 jun. 2020

New J. Chem., 2021,45, 14925-14931

Author version available

Copper(II)-catalyzed protoboration of allenes in aqueous media and open air

R. F. Snead, J. Nekvinda and W. L. Santos, New J. Chem., 2021, 45, 14925 DOI: 10.1039/D0NJ02010A

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