The present invention relates to 4-amino-.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. The present application is a continuation-in-part of application Ser. No. 561,041, filed Aug. 1, 1990 and application Ser. No. 671,555, filed Mar. 19, 1991.
本发明涉及作为5α-还原酶
抑制剂的4-
氨基-Δ4-类
固醇。这些化合物是通过将适当的4-偶氮类
固醇与
三苯基膦在含
水惰性溶剂中加热反应制备的。本申请是申请号为561,041于1990年8月1日提交和申请号为671,555于1991年3月19日提交的申请的续篇。