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    • 6. 发明申请
    • PRODUCTION METHOD FOR ALPHA-FLUORO ACRYLIC ACID ESTERS
    • 丙烯酸丙酯酸酯的生产方法
    • US20160318842A1
    • 2016-11-03
    • US15107204
    • 2014-12-26
    • DAIKIN INDUSTRIES, LTD.
    • Akihiro GOTOUManaho MIYAZAKISumi ISHIHARATakashi NAMIKAWATatsuya OHTSUKAYosuke KISHIKAWA
    • C07C67/36
    • C07C67/36C07C69/653C07C69/65
    • An object of the present invention is to provide a process for producing α-fluoroacrylic acid esters at a high starting material conversion and a high yield.The present invention provides, as a means to achieve the object, a process for producing a compound represented by formula (1): wherein R2 and R2 are the same or different and each represent alkyl, fluoroalkyl, aryl optionally substituted with at least one substituent, halogen, or hydrogen; and R3 represents alkyl, fluoroalkyl, or aryl optionally substituted with at least one substituent, the process comprising step A of reacting a compound represented by formula (2): wherein the symbols are as defined above, with carbon monoxide and an alcohol represented by formula (3): R3—OH   (3) wherein the symbol is as defined above, in the presence of a transition metal complex catalyst containing at least one bidentate phosphine ligand and a base to thereby obtain the compound represented by formula (1).
    • 本发明的目的是提供一种在高原料转化率和高产率下生产± - 氟代丙烯酸酯的方法。 本发明提供作为实现该目标的手段,制备由式(1)表示的化合物的方法:其中R 1和R 2相同或不同,并且各自表示烷基,氟烷基,任选被至少取代的芳基 一个取代基,卤素或氢; 并且R 3表示任选被至少一个取代基取代的烷基,氟代烷基或芳基,所述方法包括步骤A,使式(2)表示的化合物:其中符号如上定义,与一氧化碳和以 公式(3):€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒR3 -OH€ƒ€ƒ€ƒ€ƒ(3)其中符号如上所述,在存在 含有至少一个二齿膦配体和碱的过渡金属络合物催化剂,由此得到式(1)所示的化合物。