Indene-Based Thiazolidinethione Chiral Auxiliary for Propionate and Acetate Aldol Additions
作者:Antonio Osorio-Lozada、Horacio F. Olivo
DOI:10.1021/ol702980p
日期:2008.2.1
An indene-based thiazolidinethione chiral auxiliary was prepared in two steps from trans-1-amino-2-indanol. Chlorotitanium enolates of this chiral auxiliary delivered excellent diastereoselectivities in propionate and acetate aldol additions. The chiral auxiliary was easily removed to deliver several valuable functionalities.