申请人:IMPERIAL CHEMICAL INDUSTRIES PLC
公开号:EP0092945A2
公开(公告)日:1983-11-02
Hydrazinopyridiazine derivatives of the formula:-
wherein A is alkylene, wherein either R' is hydrogen and R2 is hydrogen, alkoxycarbonyl or aralkoxycarbonyl, or R' and R2 together form alkylidene, aralkylidene, alkoxycarbonylal- kylidene or aralkoxycarbonylalkylidene, wherein either R3 and R4, which may be the same or different, each is hydrogen, halogen, hydroxy, amino, nitro, trifluoromethyl, carbamoyl, cyano, alkyl, hydroxyalkyl, cycloalkyl, alkenyl, alkynyl, alkoxy, alkylthio, cycloalkoxy, alkenyloxy, alkynyloxy, alkanoyl, aryl, aryloxy or dialkylamino, or R3 and R4 together with the adjacent benzene ring form indanyl, 5,6,7,8-tetrahydronaphthyl, 5-oxo-5,6,7,8-tetrahydronaphthyl, indenyl, 5,8-dihydronaphthyl or naphthyl, wherein either R5 and R6, which may be the same or different, each is hydrogen or alkyl, or R5 and R6 together with the adjacent pyridazine ring form phthalazinyl, and wherein X is oxygen or -NHCO-, -NHCO-A'- or -NHCO-A'-0- wherein A' is alkylene, acid-addition salts thereof, processes for their manufacture and pharmaceutical composition containing them. The compounds possess antihypertensive activity.
式中的
吡啶肼衍
生物
其中 A 为亚烷基,其中 R' 为氢,R2 为氢、烷氧羰基或芳氧羰基,或 R' 和 R2 共同形成亚烷基、亚芳烷基、烷氧羰基亚烷基或芳氧羰基亚烷基,其中 R3 和 R4、可以相同或不同,各自为氢、卤素、羟基、
氨基、硝基、三
氟甲基、
氨基甲酰基、
氰基、烷基、羟基烷基、环烷基、烯基、炔基、烷氧基、烷
硫基、环烷氧基、烯氧基、炔氧基、烷酰基、芳基、芳氧基或二烷基
氨基、或 R3 和 R4 与邻近的苯环一起形成
茚基、5,6,7,8-四氢
萘基、5-氧代-5,6,7,8-四氢
萘基、
茚基、5,8-二氢
萘基或
萘基,其中 R5 和 R6(可以相同或不同)各自为氢或烷基、或 R5 和 R6 与邻近的
哒嗪环一起形成
酞嗪基,其中 X 是氧或 -NHCO-、-NHCO-A'- 或 -NHCO-A'-0- (其中 A' 是亚烷基),以及它们的酸加成盐、制造工艺和含有它们的药物组合物。这些化合物具有抗高血压活性。