DIASTEREOMERICALLY PURE 3-OXO AND 3-THIOXO-4-AZA-ANDROSTAN DERIVATIVES AND THE USE THEREOF AS ANTIANDROGENS

摘要

PCT No. PCT/EP95/05008 Sec. 371 Date Aug. 4, 1997 Sec. 102(e) Date Aug. 4, 1997 PCT Filed Dec. 18, 1995 PCT Pub. No. WO96/20210 PCT Pub. Date Jul. 4, 1996Disclosed are compounds of formula (A) wherein X, R1 and Y are as defined by the specification. The compounds are useful as antiandrogenic agents.