31898-79-0Relevant articles and documents
DESULFURISATION OF PENICILLIN-DERIVED DISULFIDES-SYNTHESIS OF SOME 4-AZA-AZETIDINONES
Prasad, Kapa,Schulz, Gerhard,Hamberger, Helmut,Stuetz, Peter
, p. 291 - 295 (2007/10/02)
Disulfides (1), (2) and (3) on treatment with triphenylphosphine in refluxing benzene yielded 4-aza-azetidinones (7), (8) and (9) in addition to the expected sulfides (4), (5) and (6).The structures of these compounds were determined by 1H NMR and 13C NMR