申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04237305A1
公开(公告)日:1980-12-02
Substituted phenylacetic acid compounds represented by the following general formula and preparation thereof: ##STR1## wherein R.sup.1 is hydrogen or protected carboxy, R.sup.2 is hydrogen, or protected amino, provided that when R.sup.1 is hydrogen, then R.sup.2 is protected amino, and when R.sup.2 is hydrogen, then R.sup.1 is protected carboxy, R.sup.3 is oxo, hydroxyimino or protected hydroxyimino, R.sup.4 is hydrogen or halogen, and m is an integer of 1 to 3.
代表以下通式并涉及其制备的取代苯乙酸化合物: ##STR1## 其中R1是氢或保护的羧基,R2是氢或保护的氨基,条件是当R1是氢时,则R2是保护的氨基,而当R2是氢时,则R1是保护的羧基,R3是氧代、羟基亚氨基或保护的羟基亚氨基,R4是氢或卤素,且m是1至3的整数。