| 摘要 |
It is an object of the present invention to provide novel therapeutic agents for peripheral vascular disease. The present invention provides pharmaceutical compositions comprising a benzopyran or benzoxazine derivative of the general formula (1): <CHEM> wherein; R1 represents a hydrogen atom, a lower alkyl group or an aryl group, or R1 directly couples with Q or R11 to form a single bond; R2 represents a substituted or unsubstituted amino group, a saturated or unsaturated heterocyclic group, A-O- or -C(=X)Y; Q represents =N-, N<+>-O<-> or C(R11)R12; R3 and R4 each represent a hydrogen atom, a lower alkyl group or a substituted lower alkyl group having a halogen atom or a lower alkoxy group as a substituent or the like; and R5 and R6 each represent a hydrogen atom, a halogen atom, a lower alkyl group, a lower haloalkyl group or the like; and a pharmaceutically acceptable carrier. |
