Methods for the Preparation of Thiazolidinethione Indene-Based Chiral Auxiliaries
申请人:Olivo Horacio F.
公开号:US20100179330A1
公开(公告)日:2010-07-15
Methods for the preparation of indene-based thiazolidinethiones are provided comprising contacting 1-amino-2,3-dihydro-1H-inden-2-ol, or a substituted derivative thereof, with an acid under suitable reaction conditions to provide a first intermediate; and contacting the first intermediate with an alkali xanthate in the presence of an alkali hydroxide under suitable reaction conditions to provide a compound of formula (III),
wherein R
1
-R
8
are defined herein.
提供了一种制备基于茚的噻唑啉硫酮的方法,包括将1-氨基-2,3-二氢-1H-茚-2-醇或其取代衍生物与酸在适当的反应条件下接触,以提供第一中间体;并在适当的反应条件下将第一中间体与碱性黄原酸酯在碱性羟化物存在下接触,以提供式(III)的化合物,
其中R1-R8在此处定义。