PROCESSES FOR PREPARING A 2-(1,2,2-TRIMETHYL-3-CYCLOPENTENYL)-2-OXOETHYL CARBOXYLATE COMPOUND AND HYDROXYMETHYL 1,2,2-TRIMETHYL-3-CYCLOPENTENYL KETONE, AND A HALOMETHYL (1,2,2-TRIMETHYL-3-CYCLOPENTENYL) KETONE COMPOUND
申请人:Shin-Etsu Chemical Co., Ltd.
公开号:US20210114960A1
公开(公告)日:2021-04-22
A process for preparing a 2-(1,2,2-trimethyl-3-cyclopentenyl)-2-oxoethyl carboxylate compound of the following general formula (6), wherein R represents a monovalent hydrocarbon group having 1 to 9 carbon atoms, the process comprising esterifying a 2-(1,2,2-trimethyl-3-cyclopentenyl)-2-oxoethyl compound of the following general formula (5), wherein X represents a hydroxyl group or a halogen atom, to form the 2-(1,2,2-trimethyl-3-cyclopentenyl)-2-oxoethyl carboxylate compound (6).
制备一种具有以下通用式(6)的2-(1,2,2-三甲基-3-环戊烯基)-2-氧乙基羧酸酯化合物的方法,其中R代表具有1至9个碳原子的一价碳氢基团,该方法包括酯化以下通用式(5)的2-(1,2,2-三甲基-3-环戊烯基)-2-氧乙基化合物,其中X代表羟基或卤原子,以形成2-(1,2,2-三甲基-3-环戊烯基)-2-氧乙基羧酸酯化合物(6)。