Process for the manufacture of 1,1,1,3,3-pentafluoropropane
    93.
    发明授权
    Process for the manufacture of 1,1,1,3,3-pentafluoropropane 失效
    制备1,1,1,3,3-五氟丙烷的方法

    公开(公告)号:US6093859A

    公开(公告)日:2000-07-25

    申请号:US323736

    申请日:1999-06-01

    摘要: A process is disclosed for producing the hydrofluorocarbon CF.sub.3 CH.dbd.CF.sub.2. The process involves dehydrofluorinating CF.sub.3 CH.sub.2 CF.sub.3 at an elevated temperature in the vapor phase over a catalyst of (1) aluminum fluoride, (2) fluorided alumina, (3) metal supported on a trivalent aluminum compound containing fluoride anion, (4) lanthanum fluoride, (5) fluorided lanthanum oxide, (6) metal supported on a trivalent lanthanum compound containing fluoride anion, (7) trivalent chromium compounds and/or (8) catalysts of (a) at least one compound selected from the oxides, fluorides and oxyfluorides of magnesium, zinc and mixtures of magnesium and zinc, and optionally (b) at least one compound selected from the oxides, fluorides and oxyfluorides of aluminum, provided that the atomic ratio of aluminum to the total of magnesium and zinc in said catalyst is about 1:4, or less, to produce a product containing CF.sub.3 CH.dbd.CF.sub.2 and HF. The CF.sub.3 CH.dbd.CF.sub.2 may then be reacted in the vapor phase with hydrogen over a hydrogenation catalyst in the presence of HF to produce CF.sub.3 CH.sub.2 CHF.sub.2.

    摘要翻译: 公开了一种生产氢氟烃CF 3 CH = CF 2的方法。 该方法包括在(1)氟化铝,(2)氟化氧化铝,(3)负载在含氟化物阴离子的三价铝化合物上的金属,(4)氟化镧((ⅰ))的催化剂上,在气相中升高的温度下,将CF 3 CH 2 CF 3脱氟化氢 5)氟化镧氧化物,(6)负载在含氟化物阴离子的三价镧化合物上的金属,(7)三价铬化合物和/或(a)至少一种选自氧化物,氟化物和氟氧化物的化合物的催化剂 镁,锌和镁和锌的混合物,以及任选地(b)至少一种选自铝的氧化物,氟化物和氟氧化物的化合物,条件是铝与所述催化剂中镁和锌的原子比为约1 :4或更少,以产生含有CF 3 CH = CF 2和HF的产物。 然后在HF存在下,CF 3 CH = CF 2可以在气相中与氢气在氢化催化剂上反应生成CF 3 CH 2 CHF 2。

    Process for the manufacture of 1,1,1,3,3-pentafluoropropane
    94.
    发明授权
    Process for the manufacture of 1,1,1,3,3-pentafluoropropane 失效
    制备1,1,1,3,3-五氟丙烷的方法

    公开(公告)号:US5945573A

    公开(公告)日:1999-08-31

    申请号:US5400

    申请日:1998-01-09

    摘要: A process is disclosed for producing the hydrofluorocarbon CF.sub.3 CH.sub.2 CHF.sub.2. The process involves dehydrofluorinating CF.sub.3 CH.sub.2 CF.sub.3 at an elevated temperature in the vapor phase over a catalyst of (1) aluminum fluoride, (2) fluorided alumina, (3) metal supported on a trivalent aluminum compound containing fluoride anion, (4) lanthanum fluoride, (5) fluorided lanthanum oxide, (6) metal supported on a trivalent lanthanum compound containing fluoride anion, (7) trivalent chromium compounds and/or (8) catalysts of (a) at least one compound selected from the oxides, fluorides and oxyfluorides of magnesium, zinc and mixtures of magnesium and zinc, and optionally (b) at least one compound selected from the oxides, fluorides and oxyfluorides of aluminum, provided that the atomic ratio of aluminum to the total of magnesium and zinc in said catalyst is about 1:4, or less, to produce a product containing CF.sub.3 CH.dbd.CF.sub.2 and HF; and reacting the CF.sub.3 CH.dbd.CF.sub.2 in the vapor phase with hydrogen over a hydrogenation catalyst in the presence of HF to produce CF.sub.3 CH.sub.2 CHF.sub.2.

    摘要翻译: 公开了用于生产氢氟烃CF 3 CH 2 CHF 2的方法。 该方法包括在(1)氟化铝,(2)氟化氧化铝,(3)负载在含氟化物阴离子的三价铝化合物上的金属,(4)氟化镧((ⅰ))的催化剂上,在气相中升高的温度下将CF 3 CH 2 CF 3脱氟化氢 5)氟化镧氧化物,(6)负载在含氟化物阴离子的三价镧化合物上的金属,(7)三价铬化合物和/或(a)至少一种选自氧化物,氟化物和氟氧化物的化合物的催化剂 镁,锌和镁和锌的混合物,以及任选地(b)至少一种选自铝的氧化物,氟化物和氟氧化物的化合物,条件是铝与所述催化剂中镁和锌的原子比为约1 :4或更少,以产生含有CF 3 CH = CF 2和HF的产物; 并在氢气存在下使氢气中的CF 3 CH = CF 2与氢气反应,生成CF 3 CH 2 CHF 2。

    Catalytical synthesis of internal fluorobutenes and internal fluoropentenes
    96.
    发明授权
    Catalytical synthesis of internal fluorobutenes and internal fluoropentenes 有权
    内部氟代内酯和内部氟代戊烯的催化合成

    公开(公告)号:US09174896B2

    公开(公告)日:2015-11-03

    申请号:US13988111

    申请日:2011-11-07

    IPC分类号: C07C17/25 C07C17/20 C07C21/18

    摘要: A vapor phase process is disclosed for making internal fluorobutenes. The process involves contacting a halobutane starting material selected from the group consisting of CF2HCHClCH2CCl2H, CF2HCHClCH2CCl3, CF3CHClCH2CCl2H, CF3CHClCH2CCl3, CF3CHClCHClCCl2H, CF3CHClCHClCCl3, CF3CCl2CH2CCl2H, CF3CCl2CH2CCl3, CF3CCl2CHClCCl2H, CF3CCl2CHClCCl3, CF3CClFCHClCCl2H, CF3CClFCHClCCl3, CF3CClFCH2CCl2H, CF3CClFCH2CCl3, CF3CClFCHFCCl2H, CF3CClFCHFCCl3, CF3CClHCHFCCl2H and CF3CClHCHFCCl3, with HF in a reaction zone in the presence of a chromium oxyfluoride catalyst to produce a product mixture comprising an internal fluorobutene. Another vapor phase process is disclosed for making internal fluoropentenes. The process involves contacting a halopentane starting material selected from the group consisting of CF2HCHXCH2CX2CX3, CF3CHXCH2CX2CX3, CF3CHXCHXCX2CX3, CF3CX2CH2CX2CX3, CF3CX2CHXCX2CX3 and CF3CHXCHFCX2CX3, with HF in a reaction zone in the presence of a chromium oxyfluoride catalyst to produce a product mixture comprising an internal fluoropentene, wherein each X is independently selected from the group consisting of F, Cl and Br, provided that not all X are fluorines.

    摘要翻译: 公开了一种用于制备内部氟代异丁烯的气相方法。 该方法包括接触选自CF2HCHClCH2CCl2H,CF2HCHClCH2CCl3,CF3CHClCH2CCl2H,CF3CHClCH2CCl3,CF3CHClCHClCCl2H,CF3CHClCHClCCl3,CF3CCl2CH2CCl2H,CF3CCl2CH2CCl3,CF3CCl2CHClCCl2H,CF3CCl2CHClCCl3,CF3CClFCHClCCl2H,CF3CClFCHClCCl3,CF3CClFCH2CCl2H,CF3CClFCH2CCl3,CF3CClFCHFCCl2H,CF3CClFCHFCCl3,CF3CClHCHFCCl2H和CF3CClHCHFCCl3的组中选择的halobutane起始材料 在HF反应区中,在氟氧化铬催化剂的存在下制备包含内部氟代丁烯的产物混合物。 公开了制备内部氟代戊烯的另一种气相方法。 该方法包括在氟氧化铬催化剂存在下,在反应区中将选自CF2HCHXCH2CX2CX3,CF3CHXCH2CX2CX3,CF3CHXCHXCX2CX3,CF3CX2CH2CX2CX3,CF3CX2CH2CX2CX3,CF3CX2CH2CX2CX3,CF3CX2CH2CX2CX3,CF3CX2CH2CX2CX3,CF3CX2CHXCX2CX3与CF3CHXCHFCX2CX3的卤代戊烷起始材料与HF接触,制备包含内部氟代戊烯的产物混合物, 其中每个X独立地选自F,Cl和Br,条件是不是全部X是氟。

    Catalytic dehydrochlorination of hydrochlorofluorocarbons
    98.
    发明授权
    Catalytic dehydrochlorination of hydrochlorofluorocarbons 有权
    氯氟烃的催化脱氯化氢

    公开(公告)号:US09012702B2

    公开(公告)日:2015-04-21

    申请号:US13370337

    申请日:2012-02-10

    IPC分类号: C07C17/25 C07C21/18

    CPC分类号: C07C17/25 C07C21/18

    摘要: A dehydrochlorination process is disclosed. The process involves contacting RfCFClCH2X with a catalyst in a reaction zone to produce a product mixture comprising RfCF═CHX, wherein said catalyst comprises MY supported on carbon, and wherein Rf is a perfluorinated alkyl group, X ═H, F, Cl, Br or I, M=K, Na or Cs, and Y═F, Cl or Br.

    摘要翻译: 公开了一种脱氯化氢方法。 该方法包括使RfCFClCH 2 X与反应区中的催化剂接触以产生包含RfCF = CHX的产物混合物,其中所述催化剂包含负载在碳上的MY,其中Rf是全氟化烷基,X = H,F,Cl,Br或 I,M = K,Na或Cs,Y = F,Cl或Br。

    Selective catalytical dehydrochlorination of hydrochlorofluorocarbons
    99.
    发明授权
    Selective catalytical dehydrochlorination of hydrochlorofluorocarbons 有权
    氢氯氟烃的选择性催化脱氯化氢

    公开(公告)号:US08884083B2

    公开(公告)日:2014-11-11

    申请号:US13370397

    申请日:2012-02-10

    IPC分类号: C07C17/25 C07C21/18 C07C19/10

    CPC分类号: C07C17/25 C07C19/10 C07C21/18

    摘要: A dehydrochlorination process is disclosed. The process involves contacting RfCHClCH2Cl with a catalyst in a reaction zone to produce a product mixture comprising RfCCl═CH2, wherein said catalyst comprises MY supported on carbon, and wherein Rf is a perfluorinated alkyl group, M=K, Na or Cs, and Y=F, Cl or Br.

    摘要翻译: 公开了一种脱氯化氢方法。 该方法包括使RfCHClCH2Cl与反应区中的催化剂接触以产生包含RfCCl = CH 2的产物混合物,其中所述催化剂包含负载在碳上的MY,其中Rf是全氟化烷基,M = K,Na或Cs,Y = F,Cl或Br。

    SYNTHESIS OF FLUORINATED OLEFINS FROM FLUORINATED ALCOHOLS
    100.
    发明申请
    SYNTHESIS OF FLUORINATED OLEFINS FROM FLUORINATED ALCOHOLS 审中-公开
    从氟化醇中合成氟化烯烃

    公开(公告)号:US20130197280A1

    公开(公告)日:2013-08-01

    申请号:US13519921

    申请日:2010-12-29

    IPC分类号: C07C17/35

    CPC分类号: C07C17/35 C07C17/23 C07C21/18

    摘要: Disclosed is a process for producing a hydrofluoroalkene, RfCF═CH2 comprising contacting a hydrofluoroalkanol of structure RfCF2CH2OH, with a lewis acid to produce a mixture, diluting said mixture with a solvent to produce a solvent mixture, contacting the solvent mixture with a reactive metal, heating the solvent mixture and reactive metal for a sufficient amount of time to produce a hydrofluoroalkene, and condensing and collecting the volatile products comprising the hydrofluoroalkene, wherein Rf is F, or a fluorine-substituted alkyl group.

    摘要翻译: 公开了一种制备氢氟烯烃的方法,RfCF = CH2包括使结构RfCF 2 CH 2 OH的氢氟烷醇与路易斯酸接触以产生混合物,用溶剂稀释所述混合物以产生溶剂混合物,使溶剂混合物与活性金属接触, 加热溶剂混合物和反应性金属足够的时间以产生氢氟烯烃,并冷凝和收集包含其中Rf为F的氢氟烯烃或氟取代的烷基的挥发性产物。