bis[(1R,2S,5R)-5-methyl-2-(2-phenylpropan-2-yl)cyclohexyl] 2-[(5-benzoyloxy-4-oxopyran-2-yl)methyl]-2-(2-methylprop-2-enyl)propanedioate 在
zinc(II) chloride 作用下,
以
甲苯 为溶剂,
反应 120.0h,
以64%的产率得到bis[(1R,2S,5R)-5-methyl-2-(2-phenylpropan-2-yl)cyclohexyl] (1R,5S,7R)-9-benzoyloxy-5-methyl-8-oxo-11-oxatricyclo[5.3.1.01,5]undec-9-ene-3,3-dicarboxylate