11beta-HALOGEN-7alpha-SUBSTITUTED ESTRATRIENES, PROCESS FOR THE PRODUCTION OF PHARMACEUTICAL PREPARATIONS THAT CONTAIN THESE 11beta-HALOGEN-7alpha-SUBSTITUTED ESTRATRIENES AS WELL AS THEIR USE FOR THE PRODUCTION OF PHARMACEUTICAL AGENTS

摘要

This invention describes the new 11beta-halogen-7alpha-substituted estratrienes of general formula Iin whichR<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.