申请人:Ciba-Geigy Corporation
公开号:US04015000A1
公开(公告)日:1977-03-29
6-Acylamino-penam-3-carboxylic acids and 7-acylamino-3-cephem-4-carboxylic acids in which the acyl group has the formula ##STR1## IN WHICH R.sub.1 is hydrogen, R.sub.2 is optionally substituted phenyl, thienyl or furyl or R.sub.1 and R.sub.2 together are optionally substituted cycloalkyl, n and m independently of one another represent 0 or 1 and B represents an optionally substituted 2,6-dioxo- or 2,6-dithioxo-1,2,3,6-tetrahydro-pyrimidyl, 2-thioxo-6-oxo-1,2,3,6-tetrahydropyrimidyl, 2,6-dihydroxy- or 2,6-dimercapto-pyrimidyl, 2-mercapto-6-hydroxy-pyrimidyl, 2,6-diaminopyrimidyl, 2-amino-6-hydroxy-pyrimidyl or 2,6-dihalogenopyrimidyl radical, these radicals being bonded in the 4- or 5-position.
6-酰胺基青霉烷-3-羧酸和7-酰胺基-3-头孢菌素-4-羧酸,其中酰基的化学式为##STR1## 其中R.sub.1为氢,R.sub.2为可选取代的苯基,噻吩基或呋喃基或R.sub.1和R.sub.2一起为可选取代的环烷基,n和m相互独立地表示0或1,B表示可选取代的2,6-二氧杂或2,6-二硫杂-1,2,3,6-四氢嘧啶基,2-硫代-6-氧代-1,2,3,6-四氢嘧啶基,2,6-二羟基或2,6-二硫基嘧啶基,2-硫基-6-羟基嘧啶基,2,6-二氨基嘧啶基,2-氨基-6-羟基嘧啶基或2,6-二卤代嘧啶基基团,这些基团在4-或5-位置上连接。