Preparation of 1,3-Thiazolidine-2-thiones by Using Potassium Ethylxanthate as a Carbon Disulfide Surrogate
作者:Yong-Qing Yang、Zheng Lu、Weixiang Xiong
DOI:10.1055/s-0037-1612124
日期:2019.4
A simple procedure is presented for preparing 1,3-thiazolidine-2-thiones by using potassium ethylxanthate and the corresponding β-amino alcohols as the starting materials in the presence of ethanol.
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.