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    PRODUCTION METHOD FOR alpha-FLUORO ACRYLIC ACID ESTERS
    2.
    发明公开
    PRODUCTION METHOD FOR alpha-FLUORO ACRYLIC ACID ESTERS 审中-公开
    α-氟丙烯酸酯的生产方法

    公开(公告)号：EP3088380A1

    公开(公告)日：2016-11-02

    申请号：EP14875459.1

    申请日：2014-12-26

    Applicant: Daikin Industries, Ltd.

    Inventor： GOTOU, Akihiro ,  MIYAZAKI, Manaho ,  ISHIHARA, Sumi ,  NAMIKAWA, Takashi ,  OHTUKA, Tatsuya ,  KISHIKAWA, Yosuke

    IPC: C07C67/36 ,  C07C69/65 ,  C07C69/653 ,  C07B61/00

    CPC classification number: C07C67/36 ,  C07C69/653 ,  C07C69/65

    Abstract: 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 R 1 and R 2 are the same or different and each represent alkyl, fluoroalkyl, aryl optionally substituted with at least one substituent, halogen, or hydrogen; and R 3 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):

            R 3 -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).

    Abstract translation: 本发明的一个目的是提供一种以高起始原料转化率和高收率生产α-氟代丙烯酸酯的方法。 作为实现该目的的手段，本发明提供了用于制备由式（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，氟代烷基，任选被至少一个取代基取代的芳基 ，卤素或氢; 并且R 3代表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）代表的化合物：其中符号如上定义，与一氧化碳和式 （3）表示的化合物：在含有至少一个双齿膦配体和碱的过渡金属配合物催化剂存在下，R3-OH（3）（其中符号如上所定义），由此得到式（1）所示的化合物。

    METHOD FOR PRODUCING UNSATURATED ACID AND/OR UNSATURATED ACID ESTER
    6.
    发明公开
    METHOD FOR PRODUCING UNSATURATED ACID AND/OR UNSATURATED ACID ESTER 审中-公开
    方法用于生产不饱和酸和/或不饱和酸酯

    公开(公告)号：EP2894145A1

    公开(公告)日：2015-07-15

    申请号：EP13835065.7

    申请日：2013-08-30

    Applicant: Asahi Glass Company, Limited

    Inventor： FUJITA, Tomoyuki ,  WADA, Shinji ,  OKAZOE, Takashi ,  MURATA, Koichi

    IPC: C07C51/093 ,  C07C51/377 ,  C07C53/19 ,  C07C57/04 ,  C07C67/00 ,  C07C67/317 ,  C07C69/63 ,  C07C69/653 ,  C07B61/00

    CPC classification number: C07C67/317 ,  C07C51/093 ,  C07C51/377 ,  C07C67/00 ,  C07C67/40 ,  C07C53/19 ,  C07C69/63 ,  C07C69/653

    Abstract: The present invention relates to a method for producing an unsaturated acid and/or an unsaturated acid ester, containing a process A of reacting a compound (1) represented by the following formula (1) at a temperature of 0°C to 350°C in the presence of a Brønsted acid catalyst and/or a Lewis acid catalyst, to prepare a compound (2) represented by the following formula (2);


    in which each of R 1 , R 2 and R 4 independently represents a hydrogen atom, a deuterium atom or an alkyl group; each of R 3 and R 5 independently represents a hydrogen atom or a deuterium atom; R 6 represents a hydrogen atom, a deuterium atom, or an alkyl group or an aryl group; and X represents a chlorine atom, a fluorine atom, a bromine atom, or an iodine atom.

    Abstract translation: 本发明涉及一种用于在不饱和酸和/或在不饱和羧酸酯的制造，含有使（1）由下式表示的化合物的方法A（1），在0℃至350℃的温度下 在布朗斯台德酸催化剂和/或路易斯酸催化剂的存在下，以制备化合物（2）由下式表示（2）; 其在每一种，R 1，R 2和R 4独立地darstellt氢原子，氘原子或烷基; 每个R 3和R 5unabhängigdarstellt氢原子或氘原子的; R 6表示氢原子，氘原子，或烷基或芳基的; X表示氯原子，氟原子，溴原子，或碘原子上。

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