Fused heterotricyclic compounds as inhibitors of 17.beta.-hydroxysteroid dehydrogenase 3
Disclosed are fused heterotricyclic compounds of the following formula I, ##STR00001## or an enantiomer, diastereomer, tautomer or pharmaceutically acceptable salt thereof, wherein one of A ring or C ring is a 5-7 membered unsaturated heterocyclic ring. The disclosed compounds are useful as inhibitors of 17.beta.-hydroxysteroid dehydrogenase 3 (17.beta.-HSD3). 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.
Gavai; Ashvinikumar V. (Princeton Junction, NJ), Norris; Derek J. (Pennington, NJ), Han; Wen-Ching (Newtown, PA), Vite; Gregory D. (Titusville, NJ), Fink; Brian E. (West Windsor, NJ), Tokarski; John S. (Princeton, NJ)
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