| abstract |
Described are 4-aryl or heteroarylthio-2-oxo-1-azetidinesulfonic acid salts having the formulan wherein R is hydrogen or methoxy;n R 1 is acyl; R 2 is aryl, 1H-tetrazol-5-yl, 1-alkyl-1H-tetrazol-5-yl, 1,3,4-thiadiazol-2-yl, 5-alkyl-1,3,4-thiadiazol-2-yl, 1,2,4-thia- diazol-5-yl, 3-alkyl-1,2,4-thiadiazol-5-yl, 1,3,4-oxadiazol-2-yl, 5-alkyl-1,3,4-oxadiazol-2-yl, 1,2,4-oxadiazol-5-yl, 3-alkyl-1,2,4--oxadiazol-5-yl, 2-pyridinyl, 3-pyridinyl, 4-pyridinyl, 2-pyrimidinyl, benzothiazol-2-yl, 4H-1,2,3-triazol-5-yl, 5-alkyl-4H--1,2,3-triazol-5-yl, 1H-imidazol-2-yl, or 1-alkyl-1H-imidazol--2-yl; and M⊕ is hydrogen or a cation, with the proviso that if M⊕ is hydrogen the R, group contains a basic function; nhaving antibacterial activity. Described is also a process for their preparation. |