申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US06303649B1
公开(公告)日:2001-10-16
A compound of formula (I), wherein R1 is carboxy or protected carboxy, R2 and R3 are each independently hydrogen, hydroxy, or protected hydroxy, R4 is hydrogen or halogen, R5 is aryl substituted with halogen, amino, hydroxy or protected hydroxy, R6 is aryl optionally substituted with halogen, amino, hydroxy or protected hydroxy, A1 and A2 are each independently lower alkylene, and (II) is (III), (IV), (V) or (VI) or its salt, process for preparing it, a pharmaceutical composition including it, and a use thereof.
式(I)的化合物,其中R1是羧基或保护羧基,R2和R3分别独立地是氢、羟基或保护羟基,R4是氢或卤素,R5是芳基,其上取代有卤素、氨基、羟基或保护羟基,R6是芳基,可选地取代有卤素、氨基、羟基或保护羟基,A1和A2分别独立地是较低的烷基,(II)是(III)、(IV)、(V)或(VI)或其盐,制备方法,包括它的药物组合物,及其用途。