申请人:MITSUBISHI GAS CHEMICAL COMPANY, INC.
公开号:EP4001257A1
公开(公告)日:2022-05-25
[Object]
To provide a method for producing an α-acyloxycarboxylic acid ester, the method being efficient and excellent in economic efficiency.
[Solution]
A method for producing an α-acyloxycarboxylic acid ester represented by Formula (1), including reacting an α-hydroxycarboxylic acid ester compound with an acylating agent in the presence of a catalyst comprising an iron halide compound.
where R1 represents a hydrogen atom, a methyl group, an ethyl group, an n-propyl group, an isopropyl group, or a tert-butyl group, R2 and R3 each independently represent a methyl group or an ethyl group, and R4 represents a linear, branched, or cyclic alkyl group having from 1 to 6 carbon atoms.
目的
提供一种生产α-乙酰氧基羧酸酯的方法,该方法效率高,经济效益好。
[解决方案]
一种生产由式(1)表示的α-乙酰氧基羧酸酯的方法,包括在由卤化铁化合物组成的催化剂存在下,使α-羟基羧酸酯化合物与酰化剂反应。
其中 R1 代表氢原子、甲基、乙基、正丙基、异丙基或叔丁基,R2 和 R3 各自独立地代表甲基或乙基,R4 代表具有 1 至 6 个碳原子的直链、支链或环状烷基。