| 摘要 |
Described are 4-aryl or heteroarylthio-2-oxo-1-azetidinesulfonic acid salts having the formula <CHEM> wherein R is hydrogen or methoxy; R1 is acyl; R2 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-thiadiazol-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 R1 group contains a basic function; having anti bacterial activity. Described is also a process for their preparation. |
