11beta halogen 7alpha substituted - estratriene, processes for the manufacture of pharmaceutical preparations containing the 11beta halogen 7alpha substituted - estratriene containand their use for the manufacture of medicinal products

摘要

This invention describes the new 11beta-halogen-7alpha-substituted estratrienes of general formula Iin whichR11 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.