6-(2-Amino-2-[4-acyloxyphenyl]acetamido)penicillanoyloxymethyl esters of beta-lactamase inhibitors containing a beta-lactam ring and a carboxy group, in which the 4-acyloxy group is a group of the formula R2-C(=O)-O- where R2 is an alkyl, alkoxy, carboxyalkyl, 3-carboxycyclopentyl, 4-carboxycyclohexyl, optionally-substituted phenyl or N-substituted amino group, are useful as antibacterial agents.
6-(2-
氨基-2-[4-乙酰氧基苯基]乙酰胺基)青霉烷酰氧基甲酯的β-内酰胺酶抑制剂含有一个β-内酰胺环和一个羧基,其中 4-乙酰氧基基团是式 R2-C(=O)-O- 的基团,其中 R2 是烷基、烷氧基、羧基烷基、3-羧基环戊基、4-羧基环己基、任选取代的苯基或 N-取代的
氨基、烷氧基、羧基烷基、3-羧基环戊基、4-羧基环己基、任选取代的苯基或 N-取代的
氨基,可用作抗菌剂。