7alpha-(5-methylaminopentyl)-estratrienes, process for the preparation thereof, pharmaceutical preparations which contain said 7alpha-(5-methylaminopentyl)-estratrienes and use thereof for production of drugs

摘要

This invention describes the new 7alpha-(5-methylaminopentyl)-estratrienes of general formula Iin whichR2 stands for a hydrogen or fluorine atom,R17 stands for a hydrogen atom, a methyl or ethinyl group,n stands for 2, 3 or 4, andx stands for 0, 1 or 2.The new compounds are strong, pure antiestrogens and can be used for the production of pharmaceutical agents for treatment of estrogen-dependent diseases, for example, breast cancer, endometrial carcinoma, prostatic hyperplasia, anovulatory infertility and melanoma.