The invention relates to a compound of the following general formula [I] or a medicinally acceptable salt thereof, or a solvate thereof,
wherein R1 represents alkyl, alkenyl, alkynyl, alkoxy, hydroxy, cyano, or halogen; R2 represents hydrogen, hydroxy, or halogen; R3 represents hydrogen, alkyl, or amidino; Ring A represents a 5 to 11-membered cyclic amino group which may be substituted, which cyclic amino group may be bridged between two carbon atoms in optional positions.
The compound of this invention is useful for the prevention or treatment of cerebral tissue impairment due to the vasospasm following cerebral hemorrhage.
本发明涉及下式通式[I]的化合物或其药用盐或其溶液、
其中 R1 代表烷基、
烯基、炔基、烷
氧基、羟基、
氰基或卤素;R2 代表
氢、羟基或卤素;R3 代表
氢、烷基或脒基;环 A 代表可被取代的 5 至 11 元环
氨基,该环
氨基可在任选位置的两个
碳原子之间桥接。
本发明的化合物可用于预防或治疗脑出血后血管痉挛引起的脑组织损伤。