溴丁基-镁 、
2,2-Dimethyl-propionic acid 1-((1S,5R)-6,6-dimethyl-bicyclo[3.1.1]hept-2-en-2-yl)-ethyl ester 在
copper(l) iodide 作用下,
以
乙醚 为溶剂,
反应 1.5h,
生成 (1S,3S,5R)-3-Butyl-2-eth-(Z)-ylidene-6,6-dimethyl-bicyclo[3.1.1]heptane 、 (1R,4S,5R)-5-Butyl-6-eth-(E)-ylidene-2,2-dimethyl-bicyclo[2.2.1]heptane