11beta-halogen-7alpha-substituted estratrienes, method for producing pharmaceutical preparations containing said 11beta-halogen-7alpha-substituted estratrienes and use of the same for producing medicaments

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.