Acetic acid (S)-1-((1S,2S,4aS,10aR)-1-allyl-7-methoxy-2-methyl-1,2,3,4,4a,9,10,10a-octahydro-phenanthren-2-yl)-2-(2-bromo-phenyl)-ethyl ester 在
trans-di(μ-acetato)bis[o-(di-o-tolylphosphino)benzyl]dipalladium(II)
四丁基醋酸铵 作用下,
以
N,N-二甲基甲酰胺 、
乙腈 为溶剂,
反应 4.0h,
以48%的产率得到[(1S,2R,11S,14S,15S)-7-hydroxy-14-methyl-23-methylidene-15-pentacyclo[12.10.0.02,11.05,10.017,22]tetracosa-5(10),6,8,17,19,21-hexaenyl] acetate