(6aS,7aR,8R,10aR,11aS)-3-Methoxy-7a-methyl-5,6a,7,7a,8,9,10,10a,11,11a-decahydro-6H-cyclopenta[b]phenanthren-8-ol 在
吡啶盐酸盐 作用下,
反应 0.67h,
以85%的产率得到(6aR,7aS,8S,10aS,11aR)-6,6a,7,7a,8,9,10,10a,11,11a-decahydro-7a-methyl-5H-cyclopenta[b]phenanthrene-3,8-diol