乙酸酐 、
3β-(1'-hydroxymethyl-2'-acetylthioethoxy)cholest-5-en-7-one 在
吡啶 作用下,
反应 10.0h,
以72.4%的产率得到Acetic acid 3-acetylsulfanyl-2-[(3S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-7-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yloxy]-propyl ester