Process for producing a vic-dichloro acid fluoride
    2.
    发明申请
    Process for producing a vic-dichloro acid fluoride 有权
    邻二氯酸氟化物的制备方法

    公开(公告)号:US20020107358A1

    公开(公告)日:2002-08-08

    申请号:US10084506

    申请日:2002-02-28

    IPC分类号: C08G073/24

    摘要: The process for producing a vic-dichloro acid fluoride compound in a short process and in good yield from the starting material which is inexpensive and readily available is provided. (RH1nullEH1null)CRH2RH3CH2nullOCORHB (I) is fluorinated in a liquid phase to form (CF2ClCFClnullEFF1null) CRF2RF3CF2nullOCORFB (II), and then, an ester bond of the compound (II) is decomposed to form (CF2ClCFClnullEF1null)CRF2RF3COF(III) or the compound (III) and FCORFB (IV).

    摘要翻译: 提供了一种制备邻二氯酸氟化合物的方法,其制备方法简便,制备成本低,易于获得。 (RH1-EH1-)CRH2RH3CH2-OCORHB(I)在液相中氟化形成(CF 2 ClCFCl-EFF1-)CRF 2 RF 3 CF 2 OCORFB(II),然后化合物(II)的酯键分解形成 CF 2 ClCFCl-EF1-)CRF 2 RF 3 COF(III)或化合物(III)和FCORFB(IV)。

    Processes for the preparation of fluorinated acyl fluorides and fluorinated vinyl ethers
    4.
    发明申请
    Processes for the preparation of fluorinated acyl fluorides and fluorinated vinyl ethers 失效
    氟化氟化物和氟化乙烯基醚的制备方法

    公开(公告)号:US20040110968A1

    公开(公告)日:2004-06-10

    申请号:US10727610

    申请日:2003-12-05

    IPC分类号: C07C057/64

    摘要: The present invention provides novel processes for preparing a fluorinated acyl fluoride and a fluorinated vinyl ether. Namely, it provides a process for preparing a fluorinated acyl fluoride (3), which comprises reacting a compound (1) having a fluorine content of 30 mass % or above with fluorine in a liquid phase to form a compound (2) and then dissociating the ester bond in the compound (2), and a process for preparing a fluorinated vinyl ether (10), which comprises pyrolyzing the fluorinated acyl fluoride: 1 wherein RA and RB are alkyl groups or the like, or the combination RA and RB is an ethereal oxygen-containing alkylene group or the like, RC and RD are perfluoro(ethereal oxygen-containing alkyl) groups or the like, or the combination of RC and RD is a perfluoro(ethereal oxygen-containing alkylene) group or the like, X1, X2 X3, X4, X5 and X6 are hydrogen atoms, fluorine atoms or the like, RAF, RBF, RCF and RDF are groups derived respectively from RA, RB, RC and RD by replacing substantially all of the hydrogen atoms by fluorine atoms.

    摘要翻译: 本发明提供了制备氟化酰氟和氟化乙烯基醚的新方法。 即,提供一种制备氟化酰基氟(3)的方法,其包括使氟含量为30质量%以上的化合物(1)与氟在液相中反应以形成化合物(2),然后解离 化合物(2)中的酯键和制备氟化乙烯基醚(10)的方法,其包括热解氟化酰基氟化物:其中R A和R B是烷基等,或 R A和R B的组合是含醚的亚烷基等,R C和R D均为全氟(醚性含氧烷基)基团等,或者R C 1和R D是全氟(醚性含氧亚烷基)基团等,X 1,X 2 X 3,X 4,X 5和X 6 >是氢原子,氟原子等,R“,R”,R“CF”和“R”是分别衍生自R a,R B,R C和 通过用氟原子代替基本上所有的氢原子。

    Method for producing a fluorine-containing compound

    公开(公告)号:US20040204618A1

    公开(公告)日:2004-10-14

    申请号:US10833048

    申请日:2004-04-28

    IPC分类号: C07C017/361

    摘要: The present invention provides a method for obtaining a compound useful as a raw material for various fluororesins in high yield by a short process by using a starting material which is inexpensive and readily available. Namely, the present invention is characterized by reacting the following compound (1) with the following compound (2) to produce the following compound (3) having a fluorine content of at least 30 mass %, fluorinating the compound (3) in a liquid phase to produce the following compound (4), followed by a cleavage reaction of EF of the compound (4) to obtain a compound (5) and/or a compound (6): E1-RA-E1nullnull(1) E2-RBnullnull(2) RB-E-RA-E-RBnullnull(3) RBF-EF-RAF-EF-RBFnullnull(4) EF1-RAF-EF1nullnull(5) RBF-EF2nullnull(6) wherein RA is a fluorine-containing bivalent organic group which is the same as RAF, or a bivalent organic group which will be converted to RAF by a fluorination reaction, and RB is a monovalent organic group which is the same as RBF, or a monovalent organic group which will be converted to RBF by a fluorination reaction, RAF is a fluorine-containing bivalent organic group which is the same as or different from RA, and when different, it is a group having RA fluorinated, RBF is a fluorine-containing monovalent organic group which is the same as or different from RB, and when different, it is a group having RB fluorinated, E1 and E2 are reactive groups which will react to each other to form a bivalent connecting group (E), E is a bivalent connecting group formed by the reaction of E1 and E2, EF is a group which is the same as E, or a group having E fluorinated, provided that at least one selected from RAF, RBF and EF, is a group formed by a fluorination reaction, and each of EF1 and EF2 which are independent from each other, is a group formed by cleavage of EF.

    Method for preparing unsaturated compound by pyrolysis reaction
    8.
    发明申请
    Method for preparing unsaturated compound by pyrolysis reaction 有权
    通过热解反应制备不饱和化合物的方法

    公开(公告)号:US20030139570A1

    公开(公告)日:2003-07-24

    申请号:US10307388

    申请日:2002-12-02

    IPC分类号: C08G002/00

    摘要: The present invention produces an unsaturated compound (Formula 2) useful as a fluororesin starting material and the like by using a compound of the Formula 1 as a starting material. That is, the present invention provides a method for preparing a compound expressed by CRbRcnullCRdRe (Formula 2) such as CF3CF2CF2OCFnullCF2 by pyrolyzing a compound having at least one partial structure expressed by nullCOOCF2CRbRcnullCXRdRe (Formula 1) such as CF3CF2CF2OCF(CF3)COOCF2CF(CF3)OCF2CF2CF3, wherein Rb to Re are a hydrogen atom, a halogen atom or a monovalent organic group unchangeable by pyrolysis reaction.

    摘要翻译: 本发明通过使用式1的化合物作为起始原料,生成可用作氟树脂原料等的不饱和化合物(式2)。 也就是说,本发明提供了通过热分解具有由-COOCF 2 CRbRc-CXRdRe(式1)表示的至少一种部分结构的化合物如CF 3 CF 2 CF 2 OCF而制备由CRbRc = CRdRe(式2)表示的化合物如CF 3 CF 2 CF 2 OCF = CF 2的方法 (CF 3)COOCF 2 CF(CF 3)OCF 2 CF 2 CF 3,其中R b -R Re为氢原子,卤素原子或通过热解反应不能改变的一价有机基团。