The invention relates to a compound of the following general formula [I] or a medicinally acceptable salt thereof, or a solvate thereof, ##STR1## wherein R.sup.1 represents alkyl, alkenyl, alkynyl, alkoxy, hydroxy, cyano, or halogen; R.sup.2 represents hydrogen, hydroxy, or halogen; R.sup.3 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.
本发明涉及以下一般式[I]的化合物或其药学上可接受的盐或其溶剂,其中R.sup.1代表烷基,烯基,炔基,烷氧基,羟基,
氰基或卤素; R.sup.2代表氢,羟基或卤素; R.sup.3代表氢,烷基或酰胺基; 环A代表一个5到11个成员的环状
氨基基团,该环状
氨基基团可以被取代,该环状
氨基基团可以在任意位置之间由两个碳原子桥接。本发明的化合物可用于预防或治疗由于脑出血后血管痉挛引起的脑组织损伤。