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.