申请人:Ciba-Geigy Corporation
公开号:US04965260A1
公开(公告)日:1990-10-23
Compounds of the formula ##STR1## in which R.sub.1 is lower alkyl substituted by hydroxy or by protected hydroxy, R.sub.2 represents carboxy or functionally modified carboxy, R.sub.3 is hydrogen, amino, mono- or di-substituted amino, carbamoyl, hydroxy, protected hydroxy, carbamoyloxy, lower alkoxy, halogen, lower alkanoyl, sulphamoyl or heteroarylthio, each of R.sub.4 and R.sub.5, independently of the other, represents hydrogen, lower alkyl, hydroxy, protected hydroxy, lower alkoxy, halogen, amino, protected amino, lower alkanoylamino or carbamoyl, or R.sub.4 and R.sub.5 together represent methylenedioxy, Y represents a group of the formula --O--, --S-- or --NR.sub.6 --, R.sub.6 is hydrogen or lower alkyl, A.sub.1 represents lower alkylene or unsubstituted or substituted phenylene and A.sub.2 represents a direct bond or lower alkylene, and salts of such compounds, have antibacterial activity. The compounds of the formula I are manufactured by processes that are known per se.
公式为##STR1##的化合物,其中R.sub.1是被羟基或保护羟基取代的低烷基,R.sub.2代表羧基或功能修饰的羧基,R.sub.3是氢、氨基、单取代或双取代氨基、氨基甲酰、羟基、保护羟基、羟基甲酰氧基、低烷氧基、卤素、低烷酰基、磺酰氨基或杂环硫基,R.sub.4和R.sub.5中的每一个,独立于另一个,代表氢、低烷基、羟基、保护羟基、低烷氧基、卤素、氨基、保护氨基、低烷酰氨基或氨基甲酰,或者R.sub.4和R.sub.5一起代表亚甲二氧基,Y代表--O--、--S--或--NR.sub.6 --的式团,R.sub.6是氢或低烷基,A.sub.1代表低烷基或未取代或取代的苯基,A.sub.2代表直接键或低烷基,以及这类化合物的盐,具有抗菌活性。公式I的化合物是通过已知的方法制造的。