3-oxo-cholestane-2-carbaldehyde 在
dichlorodicyano quinone 作用下,
以
苯 为溶剂,
反应 1.0h,
以900 mg的产率得到(5R,8S,9S,10S,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-3-oxo-4,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthrene-2-carbaldehyde