ethyl 4-cyclohexylidenebut-3-enoate 在
calcium carbonate 作用下,
以
甲醇 为溶剂,
50.0 ℃
、53.32 kPa
条件下,
反应 4.0h,
以Ethyl 4-cyclohexylidene-2-butenoate was obtained in a yield of 92% from a fraction boiling at 111 to 114°C. under 3 mm Hg的产率得到4-Cyclohexyliden-2-butensaeureethylester