Spontaneous formation of diastereoisomeric 2-methylthiazolidine-2,4-dicarboxylates from cystine esters and related compounds
Abstract
Dialkyl esters of cystine and lanthionine undergo conversion to cis- and trans-2-methylthiazolidine-2,4-dicarboxylates at 25–80 °C in protic solvents.