The present invention relates to 4-azido-.DELTA..sup.4 -steroids which are useful as inhibitors of 5.alpha.-reductase. The compounds are prepared by the reaction of an appropriate 4-azido steroid with triphenylphosphine in an aqueous inert solvent with heating.
本发明涉及4-偶氮基-.DELTA..sup.4 -类
固醇,其可用作5α-还原酶的
抑制剂。该化合物是通过在
水性惰性溶剂中加热适当的4-偶氮基类
固醇与
三苯基膦反应制备而成。