This invention describes the new 11&bgr;-halogen-7&agr;-substituted estratrienes of general formula I
in which
R11 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.
本发明描述了一种新的11β-卤代-7α-取代雌
三烯的一般式I,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
雌激素性质或组织选择性
雌激素性质,适用于制备制药剂。