Issue 21, 2022

Cobalt-catalyzed highly selective hydroxylation of organohydrosilanes and hydrosiloxanes

Abstract

Catalytic oxidation of hydrosilanes constitutes a green and sustainable alternative to the conventional hydrolysis of chloro- and alkoxy-silanes for the preparation of diverse silanols. However, several limitations still exist with this approach regarding the limited substrate scope, prerequisite uses of excess amounts of strong oxidants and/or precious transition-metal catalysts, and unsatisfactory product selectivity. Herein, we reported our development of a highly selective and scalable dehydrogenative hydroxylation of hydrosilanes, featuring a low loading of the Earth-abundant cobalt catalyst, water as the green oxidant, and good generality for organohydrosilanes, hydrosiloxanes, and even poly(hydrosiloxane).

Graphical abstract: Cobalt-catalyzed highly selective hydroxylation of organohydrosilanes and hydrosiloxanes

Supplementary files

Article information

Article type
Research Article
Submitted
11 अगस्त 2022
Accepted
09 सितम्बर 2022
First published
13 सितम्बर 2022

Org. Chem. Front., 2022,9, 5802-5807

Cobalt-catalyzed highly selective hydroxylation of organohydrosilanes and hydrosiloxanes

P. Guo, L. Cheng, X. He and K. Ye, Org. Chem. Front., 2022, 9, 5802 DOI: 10.1039/D2QO01294D

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