Chemical Communications Pub Date : 04/15/2009 00:00:00 , DOI:10.1039/B900048H
Abstract
The reaction of a crotonate-derived chiral phosphonium salt with α,β-unsaturated carbonyl compounds in the presence of Cs2CO3 affords optically active cyclohexa-1,3-diene derivatives with up to 90% ee in good yields.
