Process for the manufacture of halocarbons and selected compounds and azeotropes with HF
    2.
    发明授权
    Process for the manufacture of halocarbons and selected compounds and azeotropes with HF 有权
    用于制造卤代烃和所选化合物以及与HF共沸的方法

    公开(公告)号:US06858762B2

    公开(公告)日:2005-02-22

    申请号:US10460270

    申请日:2003-06-12

    摘要: A liquid phase process is disclosed for producing halogenated alkane adducts of the formula CAR1R2CBR3R4 (where A, B, R1, R2, R3, and R4 are as defined in the specification) which involves contacting a corresponding halogenated alkane, AB, with a corresponding olefin, CR1R2═CR3R4 in a dinitrile or cyclic carbonate ester solvent which divides the reaction mixture into two liquid phases and in the presence of a catalyst system containing (i) at least one catalyst selected from monovalent and divalent copper; and optionally (ii) a promoter selected from aromatic or aliphatic heterocyclic compounds which contain at least one carbon-nitrogen double bond in the heterocyclic ring. When hydrochlorofluorocarbons are formed, the chlorine content may be reduced by reacting the hydrochlorofluorocarbons with HF.New compounds disclosed include CF3CF2CCl2CH2CCl3, CF3CCl2CH2CH2Cl and CF3CCl2CH2CHClF. These compounds are useful as intermediates for producing hydrofluorocarbons.Azeotropes of CClF2CH2CF3 with HF and azeotropes of CF3CH2CHF2 with HF are also disclosed; as are process for producing such azeotropes.A process for purification of certain hydrofluorocarbons and/or chloro-precursors thereof from mixtures of such compounds with HF is also disclosed.

    摘要翻译: 公开了用于制备式CAR 1 R 2 CBR 3 R 4的卤代烷烃加成物的液相方法(其中A,B,R 1,R 2,R 3, 和R 4如说明书中所定义),其包括将相应的卤代烷烃AB与相应的烯烃CR 1 R 2 = CR 3 R 4在二腈或环状 碳酸酯溶剂,其将反应混合物分成两个液相,并且在含有(i)至少一种选自一价和二价铜的催化剂的催化剂体系的存在下, 和任选地(ii)选自在杂环中含有至少一个碳 - 氮双键的芳族或脂族杂环化合物的促进剂。 当形成氢氯氟烃时,可以通过氢氯氟烃与HF反应来降低氯含量。所公开的新化合物包括CF 3 CF 2 CCl 2 CH 2 ClCl 3,CF 3 CCl 2 CH 2 CH 2 Cl和CF 3 CCl 2 CH 2 CHClF。 这些化合物可用作制备氢氟烃的中间体。还公开了CClF 2 CH 2 CF 3与HF的共沸物和CF 3 CH 2 CHF 2与HF的共沸物。 以及用于从这种化合物与HF的混合物中纯化某些氢氟烃和/或其氯前体的方法也被公开。

    PROCESS FOR THE MANUFACTURE OF HALOCARBONS AND SELECTED COMPOUNDS AND AZEOTROPES WITH HF
    4.
    发明申请
    PROCESS FOR THE MANUFACTURE OF HALOCARBONS AND SELECTED COMPOUNDS AND AZEOTROPES WITH HF 有权
    用HF制备HALOCARBONS和选择的化合物和AZEOOPOPES的方法

    公开(公告)号:US20120119139A1

    公开(公告)日:2012-05-17

    申请号:US13078320

    申请日:2011-04-01

    IPC分类号: C09K3/00

    摘要: A liquid phase process is disclosed for producing halogenated alkane adducts of the formula CAR1R2CBR3R4 (where A, B, R1, R2, R3, and R4 are as defined in the specification) which involves contacting a corresponding halogenated alkane, AB, with a corresponding olefin, CR1R2═CR3R4 in a dinitrile or cyclic carbonate ester solvent which divides the reaction mixture into two liquid phases and in the presence of a catalyst system containing (i) at least one catalyst selected from monovalent and divalent copper; and optionally (ii) a promoter selected from aromatic or aliphatic heterocyclic compounds which contain at least one carbon-nitrogen double bond in the heterocyclic ring. When hydrochlorofluorocarbons are formed, the chlorine content may be reduced by reacting the hydrochlorofluorocarbons with HF.Azeotropes of CClF2CH2CF3 with HF and azeotropes of CF3CH2CHF2 with HF are also disclosed; as are process for producing such azeotropes.

    摘要翻译: 公开了用于制备式CAR1R2CBR3R4(其中A,B,R1,R2,R3和R4如说明书中所定义)的卤代烷烃加合物的液相方法,其涉及使相应的卤代烷烃AB与相应的烯烃 在二腈或环状碳酸酯溶剂中的CR 1 R 2 = CR 3 R 4,其将反应混合物分成两个液相,并且在含有(i)至少一种选自一价和二价铜的催化剂的催化剂体系的存在下, 和任选地(ii)选自在杂环中含有至少一个碳 - 氮双键的芳族或脂族杂环化合物的促进剂。 当形成氢氯氟烃时,可以通过氢氯氟烃与HF反应来降低氯含量。 还公开了CClF 2 CH 2 CF 3与HF的共沸物和CF 3 CH 2 CHF 2与HF的共沸物质; 生产这种共沸物的方法也是如此。

    Process for the manufacture of halocarbons and selected compounds and azeotropes with HF
    5.
    发明申请
    Process for the manufacture of halocarbons and selected compounds and azeotropes with HF 审中-公开
    用于制造卤代烃和所选化合物以及与HF共沸的方法

    公开(公告)号:US20080108852A1

    公开(公告)日:2008-05-08

    申请号:US11809485

    申请日:2007-05-31

    IPC分类号: C07C17/383 C07C19/08

    摘要: A liquid phase process is disclosed for producing halogenated alkane adducts of the formula CAR1R2CBR3R4 (where A, B, R1, R2, R3, and R4 are as defined in the specification) which involves contacting a corresponding halogenated alkane, AB, with a corresponding olefin, CR1R2═CR3R4 in a dinitrile or cyclic carbonate ester solvent which divides the reaction mixture into two liquid phases and in the presence of a catalyst system containing (i) at least one catalyst selected from monovalent and divalent copper; and optionally (ii) a promoter selected from aromatic or aliphatic heterocyclic compounds which contain at least one carbon-nitrogen double bond in the heterocyclic ring. When hydrochlorofluorocarbons are formed, the chlorine content may be reduced by reacting the hydrochlorofluorocarbons with HF.New compounds disclosed include CF3CF2CCl2CH2CCl3, CF3CCl2CH2CH2Cl and CF3CCl2CH2CHClF. These compounds are useful as intermediates for producing hydrofluorocarbons.Azeotropes of CClF2CH2CF3 with HF and azeotropes of CF3CH2CHF2 with HF are also disclosed; as are process for producing such azeotropes.A process for purification of certain hydrofluorocarbons and/or chloro-precursors thereof from mixtures of such compounds with HF is also disclosed.

    摘要翻译: 公开了一种液相法,用于生产下列化合物的卤化烷烃加合物:其中R 1,R 2,R 2,R 3,R 4, (其中A,B,R 1,R 2,R 3和R 4如在 涉及使相应的卤化烷烃AB与相应的烯烃接触,其中R 1, 在二腈或环状碳酸酯溶剂中,将反应混合物分成两个液相,并且在含有(i)至少一种选自一价和二价铜的催化剂的催化剂体系的存在下, 和任选地(ii)选自在杂环中含有至少一个碳 - 氮双键的芳族或脂族杂环化合物的促进剂。 当形成氢氯氟烃时,可以通过氢氯氟烃与HF反应来降低氯含量。 所公开的新化合物包括CF 3 CO 2 CCl 2,CH 2 CCl 3, CF 3 3 CCl 2 CH 2 CH 2 Cl和CF 3 CCl > 2 还公开了具有HF的SUB> CHF 2 生产这种共沸物的方法也是如此。 还公开了从这种化合物与HF的混合物中纯化某些氢氟烃和/或其氯前体的方法。

    Tetrafluoropropene production processes
    6.
    发明授权
    Tetrafluoropropene production processes 有权
    四氟丙烯生产工艺

    公开(公告)号:US08377327B2

    公开(公告)日:2013-02-19

    申请号:US12758839

    申请日:2010-04-13

    IPC分类号: C09K5/04

    摘要: A process is disclosed for the manufacture of CF3CF═CH2 and CF3CH═CHF. The process involves dehydrofluorinating CF3CHFCH2F in the presence of a dehydrofluorination catalyst to produce a product mixture comprising CF3CF═CH2 and CF3CH═CHF, and recovering said CF3CF═CH2 and CF3CH═CHF from the product mixture. The present invention also provides a composition comprising (a) the Z-isomer of CF3CH═CHF and (b) HF; wherein the HF is present in an effective amount to form an azeotropic combination with the Z—CF3CH═CHF.

    摘要翻译: 公开了用于制造CF 3CF≡CH2和CF 3 CH = CHF的方法。 该方法包括在脱氟化氢催化剂存在下对CF 3 CHFCH 2 F进行脱氟化氢,以产生包含CF 3CF≡CH2和CF 3 CH = CHF的产物混合物,并从产物混合物中回收所述CF 3CF≡CH2和CF 3 CH = CHF。 本发明还提供了包含(a)CF 3 CH = CHF的Z-异构体和(b)HF的组合物; 其中HF以有效量存在以与Z-CF 3 CH = CHF形成共沸组合。

    Processes for the manufacture and purification of
1,1,2,2,3,3,4,4-octafluorobutane and by-products, and azeotropes with HF

    公开(公告)号:US5948213A

    公开(公告)日:1999-09-07

    申请号:US118800

    申请日:1998-07-17

    摘要: A process is disclosed for producing 1,1,2,2,3,3,4,4-octafluorobutane. The process involves (a) reacting a mixture comprising 2,2,3,3-tetrafluorobutane and chlorine to form a mixture of chloro-compounds wherein compounds of the formula C.sub.4 H.sub.x Cl.sub.6-x F.sub.4 (where x is 0 or 1) comprise at least about 50 mole % of the mixture of chloro-compounds; (b) contacting certain chloro-compounds from (a) and hydrogen fluoride with a fluorination catalyst to form a mixture of fluoro-compounds; and (c) contacting certain fluoro-compounds from (b) and hydrogen with a hydrogenolysis catalyst to produce CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2. Sufficient chloro-compounds formed in (a) and sufficient fluoro-compounds formed in (b) are recycled to provide a selectivity to CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2 of at least about 75% based upon the moles of CH.sub.3 CF.sub.2 CF.sub.2 CH.sub.3 reacted in (a).Also disclosed is a process for the purification of at least one compound selected from the group consisting of CCl.sub.2 F(CF.sub.2).sub.2 CCl.sub.3, CCl.sub.2 F(CF.sub.2).sub.2 CCl.sub.2 F, CCl.sub.2 F(CF.sub.2).sub.2 CClF.sub.2, CClF.sub.2 (CF.sub.2).sub.2 CClF.sub.2, CClF.sub.2 (CF.sub.2).sub.2 CF.sub.3, CHCl.sub.2 (CF.sub.2).sub.2 CCl.sub.2 F, CHClF(CF.sub.2).sub.2 CCl.sub.3, CHCl.sub.2 (CF.sub.2).sub.2 CClF.sub.2, CHClF(CF.sub.2).sub.2 CCl.sub.2 F, CHF.sub.2 (CF.sub.2).sub.2 CCl.sub.3, CHClF(CF.sub.2).sub.2 CClF.sub.2, CHF.sub.2 (CF.sub.2).sub.2 CCl.sub.2 F, CHCl.sub.2 (CF.sub.2).sub.2 CF.sub.3, CHClF(CF.sub.2).sub.2 CF.sub.3, CHF.sub.2 (CF.sub.2).sub.2 CClF.sub.2, CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2, CHF.sub.2 CF.sub.2 CF.sub.2 CH.sub.2 F, CHF.sub.2 CF.sub.2 CF.sub.2 CF.sub.3 and CH.sub.2 FCF.sub.2 CF.sub.2 CF.sub.3 from a mixture of HF and said at least one compound. The purification process involves (a) subjecting the mixture of HF and said compound(s) to a distillation step in which a first distillate is removed; (b) subjecting said first distillate to an additional distillation as described herein; and (c) recovering said compound(s) essentially free of HF as bottoms from either the distillation of (a) or the distillation of (b).New compounds CCl.sub.2 FCF.sub.2 CF.sub.2 CClF.sub.2, CCl.sub.3 CF.sub.2 CF.sub.2 CCl.sub.2 F, CHCl.sub.2 CF.sub.2 CF.sub.2 CCl.sub.3, CHCl.sub.2 CF.sub.2 CF.sub.2 CCl.sub.2 F, CHClFCF.sub.2 CF.sub.2 CCl.sub.3, CHCl.sub.2 CF.sub.2 CF.sub.2 CClF.sub.2, CHClFCF.sub.2 CF.sub.2 CCl.sub.2 F, CHF.sub.2 CF.sub.2 CF.sub.2 CCl.sub.3, CHF.sub.2 CF.sub.2 CF.sub.2 CCl.sub.2 F, CHClFCF.sub.2 CF.sub.2 CF.sub.3, CH.sub.3 CF.sub.2 CF.sub.2 CH.sub.2 Cl and CH.sub.2 ClCF.sub.2 CF.sub.2 CCl.sub.3 are also disclosed, as are compositions which comprise hydrogen fluoride in combination with an effective amount of CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2 to form an azeotrope or azeotrope-like composition with hydrogen fluoride.

    Processes for the manufacture and purification of
1,1,2,2,3,3,4,4-octafluorobutane and by-products
    10.
    发明授权
    Processes for the manufacture and purification of 1,1,2,2,3,3,4,4-octafluorobutane and by-products 失效
    生产和净化1,1,2,2,3,3,4,4-八氟丁烷和副产物的方法

    公开(公告)号:US5817893A

    公开(公告)日:1998-10-06

    申请号:US868349

    申请日:1997-06-03

    摘要: A process is disclosed for producing 1,12,2,3,3,4,4-octafluorobutane. The process involves chlorination of 2,2,3,3-tetrafluorobutane to form a mixture of chloro-compounds wherein compounds of the formula C.sub.4 H.sub.4 Cl.sub.6-x F.sub.4 (where x is 0 or 1) comprise at least 50 mole % of the mixture of chloro-compounds, followed by hydrofluorination, then hydrogenolysis, and sufficient recycle to provide a selectivity to CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2 of at least about 75% based upon the moles of CH.sub.3 CF.sub.2 CF.sub.2 CH.sub.3 reacted. Also disclosed is a multi-distillation process for the purification of CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2 from a mixture of HF and the compound(s). Also disclosed are certain new halogenated butanes containing fluorine, and a composition which contains HF in combination with an effective amount of CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2 to form an azeotrope or azeotrope-like composition with hydrogen fluoride.

    摘要翻译: 公开了一种制备1,12,2,3,3,4,4-八氟丁烷的方法。 该方法包括氯化2,2,3,3-四氟丁烷以形成氯化合物的混合物,其中式C4H4Cl6-xF4(其中x为0或1)的化合物包含至少50摩尔%的氯 - 化合物,然后进行氢氟化,然后氢解,并充分循环以提供基于所反应的CH 3 CF 2 CF 2 CH 3的摩尔数至少约75%的CHF 2 CF 2 CF 2 CHF 2的选择性。 还公开了从HF和化合物的混合物中纯化CHF 2 CF 2 CF 2 CHF 2的多蒸馏方法。 还公开了含氟的一些新的卤化丁烷,以及含有HF与有效量的CHF 2 CF 2 CF 2 CHF 2组合以与氟化氢形成共沸物或类共沸组合物的组合物。