9,19-环羊毛甾-7-烯-3,20-二醇,24-甲基-,(3b)-(9CI) 、
乙酸酐 以
吡啶 为溶剂,
以30 mg的产率得到Acetic acid (3S,5R,9R,10R,13R,14R)-17-((S)-1-hydroxy-1,4,5-trimethyl-hexyl)-4,4,13,14-tetramethyl-2,3,4,5,6,11,12,13,14,15,16,17-dodecahydro-1H-cyclopropa[9,10]cyclopenta[a]phenanthren-3-yl ester