Disclosed are fused tricyclic compounds of the following formula I,
or an enantiomer, diastereomer, tautomer or pharmaceutically acceptable salt thereof. The disclosed compounds are useful as inhibitors of 17β-hydroxysteriod dehydrogenase 3 (17βHSD3). Also disclosed are methods of using such compounds in the treatment of hormone sensitive diseases such as prostate cancer and pharmaceutical compositions comprising such compounds.
                            本发明涉及以下式I的熔合
三环化合物,或其对映体、顺反异构体、互变异构体或药学上可接受的盐。所述化合物可用作17β-羟类
固醇脱氢酶3(17βH
SD3)的
抑制剂。本发明还涉及使用这些化合物治疗荷尔蒙敏感性疾病,如前列腺癌的方法和包含这些化合物的制药组合物。