Toluene-4-sulfonic acid (S)-1-[(3S,8S,9S,10R,13S,14S,17S)-10,13-dimethyl-3-(tetrahydro-pyran-2-yloxy)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-ethyl ester 在
盐酸 、
乙醇 作用下,
以
四氢呋喃 为溶剂,
生成
Pregn-5-en-3β,20α-diol-20-p-toluolsulfonat