Novel antioxidants, preparation processes and their uses
申请人:——
公开号:US20040158092A1
公开(公告)日:2004-08-12
The invention concerns a process for preparing compounds of general formula (I)
1
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.