Novel antioxidants, preparation processes and their uses

摘要

The invention concerns a process for preparing compounds of general formula (I) wherein R and R' represent an alkyl radical or an aryl group; and R'' is hydrogen or a CO-R<1 >group wherein R<1 >is an alkyl radical or an aryl group; and wherein these compounds are or not in the thiazolidine form; by protecting the N-acyl-L-cysteine to form an intermediate compound; and then by coupling said intermediate compound with S-acylcysteamine hydrochloride or with thiazolidine.