申请人:Chugai Seiyaku Kabushiki Kaisha
公开号:US20040102479A1
公开(公告)日:2004-05-27
The present invention relates to a novel benzopyran or thiobenzopyran derivative represented by formula (1): pharmaceutically acceptable salt or stereoisomer thereof, in which X, R
1
, R
2
, R
3
, R
4
and A are defined as described in the specification, and to a process for preparation thereof and a pharmaceutical composition having anti-estrogenic activity which contains the compound (1) as an active component.
本发明涉及一种由式(1)表示的新型苯并吡喃或硫代苯并吡喃衍生物:其药学上可接受的盐或立体异构体,其中X,R1,R2,R3,R4和A的定义如说明书中所述,以及制备过程和具有抗雌激素活性的制剂,其含有化合物(1)作为活性成分。