dimethyl 2-oxo-3,3-dimethyl-7-octenyl phosphonate 、 2β-formyl-3α-(2-tetrahydropyranyloxy)-7,7-ethylenedioxy-cis-bicyclo[3.3.0]octane 以
mineral oil 为溶剂,
生成 2β-(3-Oxo-4,4-dimethylnona-1,8-dienyl)-3α-(2-tetrahydropyranyloxy)-7,7-ethylenedioxy-cis-bicyclo[3.3.0]octane