Methyl (trans,E)-2-Methyl-3-(2-methyl-5,8-dioxaspiro<3.4>oct-1-yl)-2-propenoate 在
lithium perchlorate 作用下,
以
乙醚 为溶剂,
反应 120.0h,
生成 2,4-Hexadienoic acid, 2-methyl-, methyl ester, (E,Z)- 、 Methyl cis-6,9-Dimethyl-1,4-dioxaspiro<4.5>dec-7-ene-6-carboxylate 、
Methyl trans-6,9-Dimethyl-1,4-dioxaspiro<4.5>dec-7-ene-6-carboxylate