申请人:ICI AMERICAS INC.
公开号:EP0096995A2
公开(公告)日:1983-12-28
Compounds of the formula (I):
wherein R1, R3, R4, R5 and R6 have defined values and the N-oxides at the 7-position of the pyrazolo[3,4-b]pyridine ring system and the pharmaceutically-acceptable acid-addition salts thereof, processes for their preparation, pharmaceutical compositions, and intermediates for preparing said compounds of the formula (I). The compounds of formula (I) are central nervous system depressants, for example anxiolytic agents.
式 (I):其中 R1、R3、R4、R5 和 R6 具有定义值的化合物、吡唑并[3,4-b]吡啶环系统 7 位上的 N-氧化物及其药学上可接受的酸加成盐、其制备工艺、药物组合物以及制备所述式 (I) 化合物的中间体。 式 (I) 化合物是中枢神经系统抑制剂,例如抗焦虑剂。