A isoxazole compound represented by the formula (1): ##STR1## wherein R represents a hydrogen atom or a lower alkoxy group, R.sub.1 is a group represented by the formula (2): ##STR2## (wherein A represents --NH-- or --O--, B represents a methylene group or a carbonyl group, m is 0 or 1, n is an integer of 1 to 12, X represents a hydrogen atom, a hydroxy group or a lower alkoxycarbonyl group, Y represents a phenyl group which can be substituted with one or more halogen atoms, or a hydrogen atom), a group represented by the formula (3): ##STR3## (wherein Z represents a pyrimidinyl group), or a group represented by the formula (4): ##STR4## (wherein R.sub.2 represents a styryl group which can be substituted with one or more hydroxy groups); a pharmaceutically acceptable salt thereof; or a medical use thereof in a method of inhibiting lipoxygenase, inhibiting 5-lipoxygenase or inhibiting cyclooxygenase.
化合物A是
异噁唑化合物,其
化学式为(1): ##STR1## 其中,R代表氢原子或较低的烷氧基,R.sub.1是一个由式(2)表示的基团:##STR2## (其中,A代表--NH--或--O--,B代表亚甲基基团或羰基基团,m为0或1,n为1至12的整数,X代表氢原子,羟基或较低的烷氧羰基基团,Y代表苯基,可以被一个或多个卤素原子取代,或氢原子),一个由式(3)表示的基团:##STR3## (其中,Z代表
嘧啶基团),或一个由式(4)表示的基团:##STR4## (其中,R.sub.2代表
苯乙烯基团,可以被一个或多个羟基取代);其药学上可接受的盐;或在抑制
脂肪氧化酶、抑制5-脂氧合酶或抑制环氧合酶的方法中的医药用途。