The present invention provides a process for preparing a dimethylcyclobutane compound of the following general formula (1A), the process comprising reacting a dimethylcyclobutanone compound of the following general formula (2) with a phosphonic ester compound of the following general formula (3) to produce an unsaturated ester compound of the following general formula (4), having a dimethylcyclobutane ring, and subjecting the unsaturated ester compound (4), having a dimethylcyclobutane ring, to a reduction reaction to produce the dimethylcyclobutane compound (1A).
                            本发明提供了一种制备下通式(1A)的二甲基
环丁烷化合物的工艺,该工艺包括使下通式(2)的二甲基
环丁酮化合物与下通式(3)的
膦酸酯化合物反应生成下通式(4)的不饱和酯化合物、具有二甲基
环丁烷环的不饱和酯化合物 (4),并将具有二甲基
环丁烷环的不饱和酯化合物 (4) 进行还原反应,生成二甲基
环丁烷化合物 (1A)。