11--7- 11-Halogen-7-Substituted Estratrienes Method for Producing Pharmaceutical Preparations Containing said 11-Halogen-7-Substituted Estratrienes and Use of the same for Producing Medicaments

摘要

The present invention relates to a novel 11β-halogen-7α-substituted estradione of formula (I).; (I);Wherein R ¹¹ is a fluorine or chlorine atom and the remaining substituents are as defined in the specification. The compounds of the present invention have antiestrogens or tissue selective estrogen properties and are useful for the manufacture of a medicament.