Cobalt-Catalyzed Oxidative C(sp3)-H Phosphonylation for α-Aminophosphonates via C(sp3)-H/P(O)-H Coupling

J Org Chem. 2018 Jun 15;83(12):6754-6761. doi: 10.1021/acs.joc.8b00674. Epub 2018 May 29.

Abstract

The first oxidative C(sp3)-H phosphonylation of tertiary aliphatic amines has been developed. The use of cobalt acetate as a catalyst, N-hydroxyphthalimide as a cocatalyst, and air as an oxidant enabled the conversion of tertiary aromatic and aliphatic amines into α-aminophosphonates in moderate to excellent yields under mild conditions via a cross dehydrogenative coupling reaction.

Publication types

  • Research Support, Non-U.S. Gov't