A 1,3,4-thiadiazole-5-thiol ester of the formula,
wherein R is a hydrogen atom or a methyl group, a process for their preparation and a process for preparing a cephalosporin compound of the formula,
wherein R is the same as defined above, using the above described 1,3,4-thiadiazole-5-thiol ester. The thiol esters (1) have sleep-inducing and anesthetic, resp., or antibacterial properties.
一种式中的 1,3,4-
噻二唑-5-
硫醇酯、
式中 R 为氢原子或甲基的 1,3,4-
噻二唑-5-
硫醇酯、其制备方法和制备式中
头孢菌素化合物的方法、
其中 R 与上述定义相同,使用上述 1,3,4-
噻二唑-5-
硫醇酯。
硫醇酯(1)具有诱导睡眠、麻醉、呼吸或抗菌特性。