Processes for synthesis of 1,3,3,3-tetrafluoropropene
    9.
    发明授权
    Processes for synthesis of 1,3,3,3-tetrafluoropropene 有权
    合成1,3,3,3-四氟丙烯的方法

    公开(公告)号:US07371904B2

    公开(公告)日:2008-05-13

    申请号:US11118504

    申请日:2005-04-29

    摘要: Disclosed is a process for the synthesis of 1,3,3,3-tetrafluoropropene which comprises, in one embodiment, reacting a compound of CF3X1 with a compound of CX2H═CHX3, wherein X1, X2, and X3 are each independently selected from the group consisting of fluorine, chlorine, bromine and iodine, to produce a reaction product comprising a compound of CF3CH═CHX3, wherein X3 is as described above; and when X3 is not fluorine, fluorinating the compound to produce 1,3,3,3-tetrafluoropropene. The process in another embodiment comprises preparing tetrafluoropropene comprising thermally cracking one or more compounds capable of producing a reaction mixture which preferably comprises diflurocarbene radicals and vinylidene fluoride, and converting said reaction mixture into—tetrafluoropropene (1,3,3,3-tetrafluoropropene).

    摘要翻译: 公开了一种用于合成1,3,3,3-四氟丙烯的方法,其包括在一个实施方案中使CF 3 N 1 X 1的化合物与 CX 2 H-CHX 3其中X 1,X 2和X 3, SUP>各自独立地选自氟,氯,溴和碘,以产生包含CF 3 CH-CH 3 3的化合物的反应产物,其中 X 3如上所述; 当X 3不是氟时,氟化该化合物以产生1,3,3,3-四氟丙烯。 在另一个实施方案中的方法包括制备四氟丙烯,其包括热裂化一种或多种能够产生反应混合物的化合物,所述化合物优选包含二氟甲基和偏二氟乙烯,并将所述反应混合物转化为四氟丙烯(1,3,3,3-四氟丙烯)。

    Processes for synthesis of tetrafluoropropene
    10.
    发明授权
    Processes for synthesis of tetrafluoropropene 有权
    合成四氟丙烯的方法

    公开(公告)号:US07189884B2

    公开(公告)日:2007-03-13

    申请号:US11118530

    申请日:2005-04-29

    IPC分类号: C07C21/18

    摘要: Disclosed in one embodiment is a process for the synthesis of 1,3,3,3-tetrafluoropropene that comprises (a) reacting a compound of formula (I) X1X2 with a compound of formula (II) CF3CH═CH2 to produce a reaction product comprising a compound of formula (III) CF3CHX1CH2X2, wherein X1 and X2 are each independently selected from the group consisting of hydrogen, chlorine, bromine and iodine, provided that X1 and X2 are not both hydrogen; (b) when X2 in formula (III) is not fluorine, fluorinating the compound of formula (III) to produce a reaction product comprising a compound of formula (III) wherein X1 is as described above and X2 is fluorine; and (c) exposing said compound of formula (III) to reaction conditions effective to convert said compound to 1,3,3,3-tetrafluoropropene.

    摘要翻译: 在一个实施方案中公开了一种用于合成1,3,3,3-四氟丙烯的方法,其包括(a)使式(I)化合物X 1,X 2, 与式(II)化合物CF 3 CH-CH 2取代,生成包含式(III)化合物的反应产物CF 3 其中X 1和X 2都是(CH 2)2 CH 2,其中X 1和X 2都是 各自独立地选自氢,氯,溴和碘,条件是X 1和X 2都不是氢; (b)当式(III)中的X 2不是氟时,氟化式(III)化合物以产生包含式(III)化合物的反应产物,其中X 1, / SUP>如上所述,X 2是氟; 和(c)将所述式(III)化合物暴露于有效将所述化合物转化为1,3,3,3-四氟丙烯的反应条件。