申请人:Tanabe Seiyaku Co., Ltd.
公开号:US04053609A1
公开(公告)日:1977-10-11
A compound of the formula: ##STR1## wherein R.sup.1 is hydrogen or hydroxy, R.sup.2 is a group of the formula: --CO-CH(NH.sub.2)-CH.sub.2 COR.sup.3 or --COCH.sub.2 -CH(NH.sub.2)-COR.sup.3, and R.sup.3 is selected from the group consisting of hydroxy, lower alkylamino, di-lower alkylamino, lower alkoxy and hydroxy-lower alkylamino, or R.sup.3 is amino when R.sup.2 is hydroxy. Several methods of preparing the compound [I] are also disclosed. The compound [I] and a pharmaceutically acceptable salt thereof are useful as antimicrobial agents.
一种化合物的公式为:##STR1## 其中R.sup.1为氢或羟基,R.sup.2为以下结构的基团:--CO-CH(NH.sub.2)-CH.sub.2 COR.sup.3或--COCH.sub.2-CH(NH.sub.2)-COR.sup.3,R.sup.3从羟基、较低烷基氨基、二烷基氨基、较低烷氧基和羟基-较低烷基氨基组成的群中选取,或者当R.sup.2为羟基时,R.sup.3为氨基。还公开了制备化合物[I]的几种方法。该化合物[I]及其药学上可接受的盐可用作抗微生物药剂。