A method for the treatment and/or prophylaxis of cerebrovascular disorders and/or disorders associated with cerebral senility in mammals, such as humans, which comprises administering to the mammal in need of such treatment and/or prophylaxis an effective and/or prophylactic amount of a compound of formula (I):
wherein:
n is 1 or 2;
R₁ is chloro, bromo, C1-6alkylcarbonyl or cyano;
one of R₃ and R₄ is hydrogen or C1-4 alkyl and the other is C1-4 alkyl or R₃ and R₄ together are C2-5 polymethylene;
and either
R₅ is hydroxy, C1-3 alkoxy or C1-8 acyloxy; and
R₂ is hydrogen and the cyclic amide moiety and R₅ are trans; or R₅ and R₂ together form a bond, novel compounds within formula (I), processes for their preparation.
一种治疗和/或预防哺乳动物(如人类)脑血管疾病和/或与脑衰老有关的疾病的方法,包括向需要这种治疗和/或预防的哺乳动物施用有效量和/或预防量的式 (I) 化合物:
其中
n 是 1 或 2;
R₁ 是
氯、
溴、C1-6烷基羰基或
氰基;
R₃ 和 R₄ 中的一个是氢或 C1-4 烷基,另一个是 C1-4 烷基,或 R₃ 和 R₄ 合在一起是 C2-5 聚亚甲基;
且
R₅ 是羟基、C1-3 烷氧基或 C1-8 乙酰氧基;以及
R₂ 是氢,且环状酰胺分子和 R₅ 是反式;或 R₅ 和 R₂ 一起形成键,式 (I) 内的新型化合物及其制备方法。