Thiazolidine-2-thiones were prepared via a novel multicomponent reaction of primary
amines (amino acids), carbon disulfide, and γ-bromocrotonates. The reaction proceeds
via a domino alkylation/intramolecular Michael addition to provide the corresponding
thiazolidine-2-thiones in high to excellent yields. By using diamines in this protocol,
bis(thiazolidine-2-thiones) derivatives were synthesized. The synthetic utility of
the adducts was demonstrated by hydrolysis, amidation, and oxidation reactions.
Key words
dithiocarbamic acid - thiazolidine-2-thiones - amino acids - multicomponent reactions
- taurine derivatives