1-<(1,1'-Z,2'-E,4'-E)-6'-hydroxy-3'-methylhexa-2',4'-dien-1'-ylidene>-2-methylene-6,6-dimethylcyclohexane 在
manganese(IV) oxide 作用下,
以
Petroleum ether 为溶剂,
反应 3.0h,
以81%的产率得到1-<(1,1'-Z,2'-E,4'-E)-6-formyl-3'-methylhexa-2',4'-dien-1'-ylidene>-2-methylene-6,6-dimethylcyclohexane