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.
本发明涉及抑制5α-还原酶的4-氨基-Δ4-类固醇,这些化合物可用于治疗由DHT介导的疾病。
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.
4-Amino-delta4,6-steroids and their use as 5alpha-reductase inhibitors
申请人:MERRELL PHARMACEUTICALS INC.
公开号:EP0469547A2
公开(公告)日:1992-02-05
The present invention relates to 4-amino-Δ4,6-steroids which are useful as inhibitors of 5a-reductase. The compounds are prepared by the reaction of an appropriate 4,5-epoxy steroid with sodium azide in an inert solvent in the presence of a strong acid such as sulfuric acid at about 100°C.