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Paper | Regular issue | Vol 65, No. 5, 2005, pp.1139-1157
Published online, 11th March, 2005
DOI: 10.3987/COM-05-10356
Practical Synthesis of Chiral cis-Cyclohex-4-ene-1,2-dicarboxylic Acid Derivatives by Utilizing (4S)-Isopropyl-1,3-thiazolidine-2-thione

Tinh Van Dang, Motoyuki Miyamoto, Shigeki Sano, Motoo Shiro, and Yoshimitsu Nagao*

*Faculty of Pharmaceutical Sciences, University of Tokushima, Sho-machi, Tokushima 770-8505, Japan

Abstract

Both enantiomers of chiral cis-cyclohex-4-ene-1,2-dicarboxylic acid derivatives were synthesized by optical resolution of the corresponding enantiomeric mixtures by utilizing (4S)-isopropyl-1,3-thiazolidine-2-thione followed by mild aminolysis, methanolysis, and hydrolysis.