3-methyl-4-phenylbut-2-en-1-ol 、 [3-(Cyclopentylmethoxy)-2,2-dimethylcyclopropanecarbonyl] 3-(cyclopentylmethoxy)-2,2-dimethylcyclopropane-1-carboxylate 在
吡啶 作用下,
生成
3-Cyclopentylmethoxy-2,2-dimethyl-cyclopropanecarboxylic acid (E)-3-methyl-4-phenyl-but-2-enyl ester