Diester compound having a dimethylcyclobutane ring, a process for preparing the same, and a process for preparing dimethylcyclobutane compound derived from the diester compound
申请人:Shin-Etsu Chemical Co., Ltd.
公开号:US11352312B2
公开(公告)日:2022-06-07
The present invention provides a process for preparing a diester compound of the following general formula (1), having a dimethylcyclobutane ring, wherein R1 and R2 represent, independently of each other, a monovalent hydrocarbon group having 1 to 10 carbon atoms, the process comprising reacting a dimethylcyclobutanone compound of the following general formula (2), wherein R1 is as defined above, with a phosphonic ester compound of the following general formula (3), wherein R2 and R3 represent, independently of each other, a monovalent hydrocarbon group having 1 to 10 carbon atoms, to produce the diester compound (1), having a dimethylcyclobutane ring.
本发明提供了一种制备具有二甲基环丁烷环的下式通式(1)的二酯化合物的工艺,其中 R1 和 R2 各自代表具有 1 至 10 个碳原子的一价烃基,该工艺包括使下式通式(2)的二甲基环丁酮化合物反应、其中 R1 如上定义,与下式通式(3)的膦酸酯化合物(其中 R2 和 R3 各自代表具有 1 至 10 个碳原子的单价烃基)反应,生成具有二甲基环丁烷环的二酯化合物(1)。