A butadiene derivative having an excellent inhibitory activity on the PAI-1, which is represented by the general formula [I]:
1
wherein R
1
is a hydrogen atom or a lower alkyl group, R
2
is a lower alkyl group, R
3
is a lower alkoxy group, R
4
is a hydrogen atom or a lower alkyl group, R
5
is a lower alkyl group, or a pharmaceutically acceptable salt thereof, a process a process for preparing the same and an intermediate thereof.
一种
丁二烯衍
生物,具有卓越的对PAI-1的抑制活性,其通式表示为[I]:其中R1为
氢原子或较低的烷基,R2为较低的烷基,R3为较低的烷
氧基,R4为
氢原子或较低的烷基,R5为较低的烷基,或其药学上可接受的盐,以及其制备方法和
中间体。