[(1R,2S,5R)-5-methyl-2-(2-phenylpropan-2-yl)cyclohexyl] 6-methyl-3-oxo-2-prop-2-enylhept-6-enoate 在
copper diacetate 、 manganese triacetate 作用下,
以
溶剂黄146 为溶剂,
以90%的产率得到5-Methyl-6-methylene-2-oxo-bicyclo[3.2.1]octane-1-carboxylic acid (1R,2S,5R)-5-methyl-2-(1-methyl-1-phenyl-ethyl)-cyclohexyl ester