(8E,10E)-4-Methoxymethoxy-7,7-dimethyl-dodeca-8,10-dien-2-ynoic acid ethyl ester 在
氯化二乙基铝 作用下,
以
甲苯 为溶剂,
生成 (2R,4aR,8S)-8-Methoxymethoxy-2,5,5-trimethyl-2,4a,5,6,7,8-hexahydro-naphthalene-1-carboxylic acid ethyl ester 、 (2R,4aR,8R)-8-Methoxymethoxy-2,5,5-trimethyl-2,4a,5,6,7,8-hexahydro-naphthalene-1-carboxylic acid ethyl ester