申请人:Meiji Seika Kaisha, Ltd.
公开号:US04331597A1
公开(公告)日:1982-05-25
Penicillin compounds and methods for the production thereof are described, said penicillin compounds being represented by the formula (I) ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 each represents hydrogen, a lower alkyl group, a halogen atom, a lower alkoxy group, a hydroxyl group, or a substituted or unsubstituted phenylalkoxy group except that R.sub.1, R.sub.2, and R.sub.3 cannot all represent hydrogen simultaneously; R.sub.4 represents hydrogen or a lower alkyl group; and R.sub.5 represents hydrogen or a hydroxyl group.
描述了青霉素化合物及其生产方法,所述青霉素化合物由以下式(I)表示:其中R.sub.1、R.sub.2和R.sub.3分别表示氢、较低的烷基基团、卤原子、较低的烷氧基团、羟基或取代或未取代的苯基氧基团,但R.sub.1、R.sub.2和R.sub.3不能同时表示氢;R.sub.4表示氢或较低的烷基基团;R.sub.5表示氢或羟基。