menthyl 4-[2-[4-(2-(3,5-dimethoxyphenyl)-(E)-ethenyl)phenyl]-(E)-ethenyl]benzoate 在
碘 、
methyloxirane 作用下,
以
苯 为溶剂,
反应 3.0h,
以35%的产率得到[(1S,2R,5S)-5-methyl-2-propan-2-ylcyclohexyl] 19,21-dimethoxypentacyclo[12.8.0.02,11.03,8.017,22]docosa-1(14),2(11),3(8),4,6,9,12,15,17,19,21-undecaene-5-carboxylate