3-{2-[(R)-2-((3R,5R,8S,10S,13R,14S,17R)-3-Methoxy-4,4,10,13,14-pentamethyl-2,3,4,5,6,7,8,10,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-propyl]-[1,3]dithiolan-2-yl}-2-methyl-propionic acid methyl ester 在
镍 作用下,
以
乙醇 为溶剂,
生成
3α-Methoxy-Δ9(11)-lanosten-27-saeuremethylester