申请人:TAISHO PHARMACEUTICAL CO. LTD
公开号:EP0307167A2
公开(公告)日:1989-03-15
Vincaminic acid derivatives represented by the formula
wherein R¹ is a hydrogen atom, an alkyl group having 1 to 8 carbon atoms or an alkoxyalkyl group having 2 to 6 carbon atoms, R² is a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, a halogenated alkyl group having 1 to 5 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, an alkoxycarbonylallyl group having 3 to 8 carbon atoms, an alkenyl group having 2 to 4 carbon atoms, a phenyl group, a phenyl group substituted by alkoxy groups each having 1 or 2 carbon atoms or a thienyl group, A is a hydroxyl group, B is a hydrogen atom, or A and B together form a valence bond, and the acid addition salts thereof are disclosed. These compound are useful as therapeutic effect on cerebovascular injuries.
长春胺酸衍生物,由式表示
其中 R¹ 是氢原子、具有 1 至 8 个碳原子的烷基或具有 2 至 6 个碳原子的烷氧基烷基,R² 是氢原子、具有 1 至 10 个碳原子的烷基、具有 1 至 5 个碳原子的卤代烷基、具有 3 至 6 个碳原子的环烷基、具有 3 至 8 个碳原子的烷氧羰基烯丙基、具有 2 至 4 个碳原子的烯基、苯基、苯基取代的长春胺酸衍生物、公开了具有 3 至 8 个碳原子的烷氧羰基、具有 2 至 4 个碳原子的烯基、苯基、被各具有 1 或 2 个碳原子的烷氧基取代的苯基或噻吩基、A 为羟基、B 为氢原子或 A 和 B 共同形成价键及其酸加成盐。这些化合物对脑血管损伤有治疗作用。