2-(3,5-diisopropyl-2,6-dimethylheptan-4-yl)-3-(2,4-dimethylpentan-3-yl)-4-isopropyl-1,1-dimethylcyclobutane 在
sulfur 作用下,
以
苯 为溶剂,
反应 3.0h,
以92%的产率得到2-(3,5-diisopropyl-2,6-dimethyl-4-methylene-4l5-heptan-4-yl)-1-(2,4-dimethylpentan-3-yl)-4-isopropyl-3,3-dimethyl-1-methylene-1l5-cyclobutane