A novel phenylalkanoic acid derivative represented by general formulae (I) or (II), a process for the production thereof, a method of separating optical isomers thereof, and an anti-inflammatory, analgesic or external preparation containing the same. In the said formulae, n represents an integer of 1 or 2; X represents halogen, alkoxy or nitro; R represents hydrogen or alkyl; and Z represents hydrogen or acyl.
通式(I)或(II)代表的新型
苯基烷酸衍
生物,其生产工艺,其光学异构体的分离方法,以及含有该衍
生物的消炎、镇痛或外用制剂。在上述式中,n 代表 1 或 2 的整数;X 代表卤素、烷
氧基或硝基;R 代表
氢或烷基;Z 代表
氢或酰基。