This invention describes the new 11&bgr;-halogen-7&agr;-substituted estratrienes of general formula I
1
in which
R
11
is a fluorine or chlorine atom, and the other substituents have the meanings that are explained in more detail in the description.
The compounds have antiestrogenic properties or tissue-selective estrogenic properties and are suitable for the production of pharmaceutical agents.
这项发明描述了一种新的11&bgr;-卤素-7&agr;-取代的雌
三烯类化合物,其一般
化学式为I1,其中R11是
氟或
氯原子,其他取代基的含义在描述中有更详细的解释。这些化合物具有抗
雌激素作用或组织选择性
雌激素作用,并适用于制备药物。