Toluene-4-sulfonic acid (3R,5R,7R,8R,9S,10S,13S,14S,17S)-3-allyl-7-hydroxy-10,13-dimethyl-12-oxo-3-pentyloxy-hexadecahydro-cyclopenta[a]phenanthren-17-yl ester 在
N,N-二甲基丙烯基脲 、 sodium azide 作用下,
反应 48.0h,
生成 (3R,5R,7R,8R,9S,10S,13S,14S,17R)-3-Allyl-17-azido-7-hydroxy-10,13-dimethyl-3-pentyloxy-hexadecahydro-cyclopenta[a]phenanthren-12-one