申请人:Pfizer Inc.
公开号:US04381263A1
公开(公告)日:1983-04-26
A process for the preparation of chloromethyl esters of penicillanic acids, using iodochloromethane or bromochloromethane and a tetraalkylammonium salt of the penicillanic acid, and their use in processes for the synthesis of penicillanic acid esters, using a halomethyl ester and the tetraalkylammonium salt of the penicillanic acid, which readily hydrolyze in vivo to antibacterial penicillins and the beta-lactamase inhibitor penicillanic acid sulfone.
一种制备
青霉素酸
氯甲酯的方法,使用
碘氯甲烷或
溴氯甲烷和
青霉素酸四烷基
铵盐,以及它们在合成
青霉素酸酯的过程中的应用,使用卤代甲酯和
青霉素酸四烷基
铵盐,这些酯在体内容易
水解成抗菌
青霉素和β-内酰胺酶抑制剂
青霉素酸磺酮。