Ethyl (E,E,Z)-3-methyl-4-<3-methyl-4-<(2,6,6-trimethylcyclohex-1-enyl)methylene>cyclohex-2-enylidene>but-2-enoate 在
sodium hydroxide 作用下,
以
乙醇 为溶剂,
生成 (E,E,Z)-3-Methyl-4-<3-methyl-4-<(2,6,6-trimethylcyclohex-1-enyl)methylene>cyclohex-2-enylidene>but-2-enoic acid