申请人:Takeda Chemical Industries, Ltd.
公开号:US04695572A1
公开(公告)日:1987-09-22
A compound of the formula ##STR1## wherein X is hydrogen, halogen or nitro; Ar is phenyl or naphthyridinyl which may optionally be substituted; and either one of Z.sup.1 and Z.sup.2 is hydrogen and the other is lower alkanoyloxy or hydroxy, each of Z.sup.1 and Z.sup.2 is lower alkoxy, or Z.sup.1 and Z.sup.2 combinedly represent hydroxyimino, oxo or a group of the formula: ##STR2## 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.
化合物的式子为##STR1## 其中X为氢、卤素或硝基;Ar为苯基或萘啶基,可选择性地被取代;Z.sup.1和Z.sup.2中的任意一个为氢,另一个为低碳酰氧基或羟基,Z.sup.1和Z.sup.2各自为低烷氧基,或Z.sup.1和Z.sup.2联合表示羟亚胺基、氧代或式子的一组:##STR2## 其中Y为氧或硫,A为支链或直链低碳烷基链;以及其盐,对中枢神经系统有作用,但其不良反应较弱,如催眠和肌肉松弛作用。