16α-Benzoyloxy-4-(4'-methylpentyl)-4-methyl-A-nor-D-homo-3(5)-androsten 在
potassium chromate 、
sodium acetate 作用下,
以
乙酸酐 、
溶剂黄146 、
苯 为溶剂,
生成 Benzoic acid (2S,5R,8S,9S,10S,14R)-17-((R)-1,5-dimethyl-hexyl)-5,14-dimethyl-16-oxo-2,3,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydro-1H-cyclopenta[a]phenanthren-2-yl ester