4-amino-.DELTA.4-steroids and their use as 5.alpha.-reductase inhibitors
申请人:Merrell Dow Pharmaceuticals Inc.
公开号:US05318961A1
公开(公告)日:1994-06-07
The present invention relates to 4-amino-.DELTA..sup.4 -steroids which are inhibitors of 5.alpha.-reductase. The compounds are useful for treating DHT-mediated diseases.
4-Amino-delta4-steroids and their use as 5alpha-reductase inhibitors
申请人:MERRELL PHARMACEUTICALS INC.
公开号:EP0469548A2
公开(公告)日:1992-02-05
The present invention relates to 4-amino-Δ4-steroids which are useful as inhibitors of 5a-reductase. The compounds are prepared by the reaction of an appropriate 4-azido steroid with triphenylphosphine in an aqueous inert solvent with heating.