申请人:Takeda Chemical Industries, Ltd.
公开号:EP0174858A1
公开(公告)日:1986-03-19
A compound of the formula
wherein X us hydrogen, halogen or nitro; Ar is phenyl or naphthyridinyl which may optionally be substituted; and either one of Z1 and Z2 is hydrogen and the other is lower alkanoyloxy or hydroxy, each of Z1 and Z2 is lower alkoxy, or Z1 and Z2 combinedly represent hydroxyimino, oxo or a group of the formyla:
in which Y is oxygen or sulfur and A is a branched or unbranched lower alkylene chain; and a salt thereof, act on the central nervous system but are weak in adverse effects such as hypnotic and muscle relaxant effects.
一种式中 X 为氢、卤素或硝基的化合物;Ar 为苯基或萘啶基,可任选被取代;Z1 和 Z2 中的一个为氢,另一个为低级烷氧基或羟基,Z1 和 Z2 中的每一个为低级烷氧基,或 Z1 和 Z2 合起来代表羟基亚氨基、氧代或甲酰胺基团:其中 Y 为氧或硫,A 为支链或未支链的低级亚烷基链;及其盐可作用于中枢神经系统,但不良反应较弱,如催眠和肌肉松弛作用。