Indium-mediated organometallic reactions in aqueous media. Stereoselectivity in the crotylation of sulfonimines bearing a proximal chelating group

J Org Chem. 2001 May 18;66(10):3467-73. doi: 10.1021/jo0018038.

Abstract

Reaction of sulfonimines having proximal chelating groups with crotyl bromide and indium in aqueous media gave alpha-crotylation products stereoselectively with syn-selectivity.