申请人:Tanabe Seiyaku Co., Ltd.
公开号:EP0034752A1
公开(公告)日:1981-09-02
A compound of the formula:
wherein R1 is methoxy, n is zero, A is alkylene of 2 to 4 carbon atoms and Y is a group of the formula:
wherein X is hydrogen or halogen; or R1 is hydrogen or methoxy, n is an integer of 1, A is alkylene of 2 to 3 3 carbon atoms and Y is a group of the formula:
or R1 is methoxy, n is zero, Y is a group of the formula:
, and A is a vranched alkylene of the formula:
wherein either one of R2, R3 and R4 is methyl and the remaining two groups of R2, R3 and R4 are hydrogen, and processes for preparation thereof are disclosed The compound (I) or a pharmaceutically acceptable acid addition salt thereof is useful for the therapeutic treatment or reduction of increased intracranial pressure.
式的化合物,其中 R1 为甲氧基,n 为零,A 为 2 至 4 个碳原子的亚烷基,Y 为式的基团,其中 X 为氢或卤素;或 R1 为氢或甲氧基,n 为 1 的整数,A 为 2 至 3 个碳原子的亚烷基,Y 为式的基团,或 R1 为甲氧基,n 为零,Y 为式的基团,A 为式的支链亚烷基,其中 R2、R3 和 R4 中的任一个基团为甲基,R2、R3 和 R4 的其余两个基团为氢,并公开了其制备工艺。