The present invention is directed to novel heteroatom containing tetracyclic derivatives, pharmaceutical compositions containing them, their use in the treatment and/or prevention of disorders mediated by one or more estrogen receptors and processes for their preparation. The compounds of the invention are useful in the treatment and/or prevention of disorders associated with the depletion of estrogen such as hot flashes, vaginal dryness, osteopenia and osteoporosis; hormone sensitive cancers and hyperplasia of the breast, endometrium, cervix and prostate; endometriosis, uterine fibroids, osteoarthritis and as contraceptive agents, alone or in combination with a progestogen or progestogen antagonist.
本发明涉及新型含杂原子的四环衍
生物、包含它们的制药组合物、它们在治疗和/或预防由一个或多个
雌激素受体介导的疾病中的应用以及它们的制备方法。本发明中的化合物在治疗和/或预防与
雌激素耗竭有关的疾病中有用,例如潮热、阴道干燥、骨质疏松症和骨质疏松症;激素敏感性癌症和乳房、子宫内膜、宫颈和前列腺的增生;子宫内膜异位症、子宫肌瘤、骨关节炎以及作为避孕剂,单独或与孕激素或孕激素
拮抗剂联合使用。