申请人:Kyoto Pharmaceutical Industries, Ltd.
公开号:EP0146626A1
公开(公告)日:1985-07-03
Cephem compounds represented by general formula (I), wherein R1 represents a hydrogen atom or an amino group-protecting group and R2 represents formula (II) or (III), wherein R3 represents a lower alkyl group and R4 represents a lower alkyl group or an alkoxy group, and salts thereof. These compounds are useful as starting materials for synthesizing cephalosporin derivatives for oral administration.
通式(I)代表的头孢菌素化合物,其中 R1 代表氢原子或氨基保护基团,R2 代表式(II)或(III),其中 R3 代表低级烷基,R4 代表低级烷基或烷氧基,及其盐类。这些化合物可作为合成口服头孢菌素衍生物的起始原料。