A hydroquinonylphenyl butyric acid amide derivative having the formula (I):
wherein R¹ represents an aromatic or heterocyclic group which may be substituted, R² represents a hydrogen atom, a lower alkylcarbonyl group, an aromatic carbonyl or heterocyclic carbonyl group which may be substituted, and X represents an oxygen atom or sulfur atom or a pharmaceutically acceptable salt thereof, which has a cerebral insufficiency improving activity.
一种具有式(I)的
氢醌基苯基
丁酸酰胺衍
生物:
其中 R¹ 代表可被取代的芳基或杂环基,R² 代表氢原子、低级烷基羰基、可被取代的芳基羰基或杂环羰基,X 代表氧原子或
硫原子或其药学上可接受的盐,具有改善脑供血不足的活性。