异丁烯 、 (-)-(1R,2S,5R)-5-methyl-2-[1-methyl-1-(4-methoxyphenyl)ethyl]cyclohexyl 3-oxo-1-cyclohexene-1-carboxylate 以
甲基环己烷 为溶剂,
以39%的产率得到(1S,6S)-(1R,2S,5R)-2-(2-(6-methoxynaphtalen-2-yl)propanyl)-5methylcyclohexyl 7,7-dimethyl-5-oxobicyclo[4.2.0]octane-1-carboxylate