环戊二烯 、
Acrylic acid (4S,5S)-5-benzyloxy-[1,3]dioxan-4-ylmethyl ester 在
二氯乙基铝 作用下,
以
二氯甲烷 为溶剂,
生成 (1S,2S,4S)-Bicyclo[2.2.1]hept-5-ene-2-carboxylic acid (4S,5S)-5-benzyloxy-[1,3]dioxan-4-ylmethyl ester 、 (1R,2R,4R)-Bicyclo[2.2.1]hept-5-ene-2-carboxylic acid (4S,5S)-5-benzyloxy-[1,3]dioxan-4-ylmethyl ester