公开(公告)号：US07872161B2

公开(公告)日：2011-01-18

申请号：US12444526

申请日：2007-11-15

申请人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

发明人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

IPC分类号： C07C17/10 ,  C07C17/00 ,  C07C17/26

CPC分类号： C07C21/18 ,  C07C17/23 ,  C07C17/25 ,  C07C17/278 ,  C07C19/10

摘要： A process is disclosed for making CF3CF═CH2 The process involves (i) contacting CHCl2CF2CF3 in a reaction zone in the presence of a catalytically effective amount of a dehydrofluorination catalyst to produce CCl2═CFCF3; (ii) contacting CCl2═CFCF3 with H2 formed in (i) in a reaction zone in the presence of a catalyst comprising a catalytically effective amount of palladium supported on a support selected from the group consisting of alumina fluorided alumina, aluminum fluoride and mixtures thereof, to produce a product mixture comprising CF3CF═CH2, wherein the mole ratio of H2 to CCl2═CFCF3 fed to the reaction zone is between about 1:1 and about 4:1 and (iii) recovering CF3CF═CH2 from the product mixture formed in (ii).

摘要翻译： 公开了制备CF 3CF≡CH2的方法。该方法包括（i）在催化有效量的脱氟化氢催化剂存在下，在反应区中使CHCl 2 CF 2 CF 3接触以产生CCl 2 = CFCF 3; （ⅱ）在催化剂存在下，在反应区中将CCl 2 = CFCF 3与（ⅰ）中形成的H 2接触，所述催化剂包含催化有效量的负载在选自氧化铝氟化铝，氟化铝及其混合物的载体上的钯 ，以产生包含CF 3 CF = CH 2的产物混合物，其中进料到反应区的H 2与CCl 2 = CFCF 3的摩尔比为约1:1至约4:1，和（iii）从形成的产物混合物中回收CF 3 CF = CH 2 在（ii）中。

公开(公告)号：US20100168482A1

公开(公告)日：2010-07-01

申请号：US12444462

申请日：2007-10-31

申请人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

发明人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

IPC分类号： C07C17/25 ,  C07C17/07

CPC分类号： C07C17/21 ,  C07C17/10 ,  C07C17/206 ,  C07C17/25 ,  C07C19/08 ,  C07C21/18

摘要： A process is disclosed for making CF3CF2CH3, CF3CF═CH2 and/or CF3CCl═CH2. The process involves reacting at least one starting material selected from the group consisting of halopropanes of the formula CX3CH2CH2X, halopropenes of the formula CX3CH═CH2 and halopropenes of the formula CX2═CHCH2X, wherein each X is independently F or Cl, with HF and Cl2 in a reaction zone to produce a product mixture comprising HF, HCl, CF3CF2CH3, CF3CF═CH2, and CF3CCl═CH2; and recovering the CF3CF2CH3, CF3CF═CH2 and/or CF3CCl═CH2 from the product mixture. Also disclosed is a process for making CF3CH2CHF2, CF3CH═CHF, and/or CF3CH═CHCl. This process involves reacting at least one starting material selected from the group consisting of halopropenes of the formula CX3CH═CH2 and halopropenes of the formula CX2═CHCH2X, wherein each X is independently F or Cl, with HF and Cl2 in a reaction zone to produce a product mixture comprising HF, HCl, CF3CH2CHF2, CF3CH═CHF and CF3CH═CHCl; and recovering the CF3CH2CHF2, CF3CH═CHF, and/or CF3CH═CHCl from the product mixture. The molar ratio of HF to the total amount of starting materials fed to the reaction zone for both of these processes is at least stoichiometric, and the molar ratio of Cl2 to total amount of starting material fed to the reaction zone for both of these processes is 2:1 or less.

摘要翻译： 公开了一种制备CF 3 CF 2 CH 3，CF 3CF≡CH2和/或CF 3 CCl = CH 2的方法。 该方法包括使选自式CX3CH2CH2X的卤代丙烷，式CX3CH = CH2的卤代丙烯和式CX2 = CHCH2X的卤代丙烯，其中每个X独立地为F或Cl的至少一种原料与HF和Cl 2反应 在反应区中产生包含HF，HCl，CF 3 CF 2 CH 3，CF 3 CF = CH 2和CF 3 CCl = CH 2的产物混合物; 并从产物混合物中回收CF 3 CF 2 CH 3，CF 3CF≡CH2和/或CF 3 CCl = CH 2。 还公开了制备CF 3 CH 2 CHF 2，CF 3 CH = CHF和/或CF 3 CH = CHCl的方法。 该方法包括使选自式CX3CH = CH2的卤代丙烯和式CX2 = CHCH2X的卤代丙烯，其中每个X独立地为F或Cl的至少一种起始材料与HF和Cl 2在反应区中反应以产生 包含HF，HCl，CF 3 CH 2 CHF 2，CF 3 CH = CHF和CF 3 CH = CHCl的产物混合物; 并从产物混合物中回收CF 3 CH 2 CHF 2，CF 3 CH = CHF和/或CF 3 CH = CHCl。 对于这两种方法，HF与进料到反应区的起始原料的总量的摩尔比至少为化学计量，并且对于这两种方法，进料到反应区的Cl 2与原料的总量的摩尔比为 2：1或更少。

公开(公告)号：US20100072415A1

公开(公告)日：2010-03-25

申请号：US12444470

申请日：2007-10-31

申请人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

发明人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

IPC分类号： C09K5/06 ,  C07C21/18 ,  C07C19/08 ,  C07C17/20

CPC分类号： C07C17/21 ,  B01J23/26 ,  B01J23/864 ,  B01J37/26 ,  C07C17/00 ,  C07C17/087 ,  C07C17/20 ,  C07C17/206 ,  C07C17/23 ,  C07C17/25 ,  C07C17/35 ,  C07C19/08 ,  C07C21/18

摘要： A process is disclosed for making CF3CF2CH3, CF3CF═CH2 and/or CF3CCl═CH2. The process involves reacting at least one starting material selected from the group consisting of halopropanes of the formula CX3CHClCH2X, halopropenes of the formula CClX2CCl═CH2 and halopropenes of the formula CX2═CClCH2X, wherein each X is independently F or Cl, with HF in a reaction zone to produce a product mixture comprising HF, HCl, CF3CF2CH3, CF3CF═CH2 and CF3CCl═CH2; and recovering the CF3CF2CH3, CF3CF═CH2 and/or CF3CCl═CH2 from the product mixture. Also disclosed is a process for making CF3CH2CHF2, CF3CH═CHF and/or CF3CH═CHCl. This process involves reacting at least one starting material selected from the group consisting of halopropanes of the formula CX3CHClCH2X, halopropenes of the formula CX3CCl═CH2 and halopropenes of the formula CX2═CClCH2X, wherein each X is independently F or Cl, with HF in a reaction zone to produce a product mixture comprising HF, HCl, CF3CH2CHF2, CF3CH═CHF and CF3CH═CHCl; and recovering the CF3CH2CHF2, CF3CH═CHF and/or CF3CH═CHCl from the product mixture. Also disclosed is a process for making CF3CF2CH3 and/or CF3CF═CH2. This process involves reacting at least one starting material selected from the group consisting of halopropanes of the formula CX3CHClCH2X, halopropenes of the formula CX3CCl═CH2 and halopropenes of the formula CX2═CClCH2X, wherein each X is independently F or Cl, with HF in a reaction zone to produce a product mixture comprising HF, HCl, CF3CF2CH3 and CF3CF═CH2; and recovering the CF3CF2CH3 and/or CF3CF═CH2 from the product mixture. In each of the processes the molar ratio of HF to total amount of starting material fed to the reaction zone is at least stoichiometric. Also disclosed is an azeotropic composition comprising CF3CCl═CH2, and HF. Also disclosed is an azeotropic composition comprising CF3CF2CH3, and HF.

公开(公告)号：US20100022808A1

公开(公告)日：2010-01-28

申请号：US12444526

申请日：2007-11-15

申请人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

发明人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

IPC分类号： C07C17/23 ,  C07C21/18

CPC分类号： C07C21/18 ,  C07C17/23 ,  C07C17/25 ,  C07C17/278 ,  C07C19/10

摘要： A process is disclosed for making CF3CF═CH2 The process involves (i) contacting CHCl2CF2CF3 in a reaction zone in the presence of a catalytically effective amount of a dehydrofluorination catalyst to produce CCl═CFCF3; (ii) contacting CCl2═CFCF3 with H2 formed in (i) in a reaction zone in the presence of a catalyst comprising a catalytically effective amount of palladium supported on a support selected from the group consisting of alumina fluorided alumina, aluminum fluoride and mixtures thereof, to produce a product mixture comprising CF3CF═CH2, wherein the mole ratio of H2 to CCl250 CFCF3 fed to the reaction zone is between about 1:1 and about 4:1 and (iii) recovering CF3CF═CH2 from the product mixture formed in (ii).

摘要翻译： 公开了制备CF 3 CF-CH 2的方法。该方法包括（i）在催化有效量的脱氟化氢催化剂存在下，使反应区中的CHCl 2 CF 2 CF 3接触以产生CCl-CFCF 3; （ⅱ）在催化剂存在下，在反应区中将CCl 2 -CFCF 3与（i）中形成的H 2接触，所述催化剂包含催化有效量的负载在选自氧化铝氟化铝，氟化铝及其混合物的载体上的钯 ，以产生包含CF 3 CF-CH 2的产物混合物，其中进料到反应区的H 2与CCl 2 50 CFCF 3的摩尔比在约1:1至约4:1之间，和（iii）从形成的产物混合物中回收CF 3 CF-CH 2 （ii）。

公开(公告)号：US20080207963A1

公开(公告)日：2008-08-28

申请号：US12070921

申请日：2008-02-21

申请人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

发明人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

IPC分类号： C07C17/02 ,  B01J23/26 ,  C07C17/23 ,  C07C17/00

CPC分类号： C07C19/08 ,  B01J23/6522 ,  B01J23/685 ,  B01J37/03 ,  B01J37/14 ,  B01J37/26 ,  C07C17/04 ,  C07C17/206 ,  C07C17/21 ,  C07C17/23 ,  C07C17/25 ,  C07C21/18 ,  C07C19/10

摘要： A method for preparing a catalyst composition suitable for increasing the fluorine content in a hydrocarbon or a halogenated hydrocarbon is disclosed. The method involves (a) co-precipitating a solid by adding ammonium hydroxide to an aqueous solution of a soluble trivalent chromium salt and a soluble salt of a modifier metal selected from silver and palladium, that contains at least three moles of nitrate (i.e., NO3−) per mole of chromium (i.e., Cr+3) in the solution and has a modifier metal concentration of from about 0.05 atom % to about 10 atom % of the total concentration of modifier metal and chromium in the solution to form an aqueous mixture containing co-precipitated solid and dissolved ammonium nitrate; and after at least three moles of ammonium hydroxide per mole of chromium in the solution has been added to the solution, (b) drying said aqueous mixture formed in (a); and (c) calcining the dried solid formed in (b) in an atmosphere containing at least 10% oxygen by volume (e.g., air). Also disclosed is a catalyst composition comprising alpha-chromium oxide and a modifier metal selected from silver and palladium prepared by the above method. Also disclosed is a process for increasing the fluorine content in a hydrocarbon or halogenated hydrocarbon in the presence of a catalyst; and processes using a catalyst composition comprising chromium, oxygen and a modifier metal selected from siver and palladium as essential constituent elements (e.g., a catalyst composition prepared by the above process). An azeotropic composition involving CF3CCl═CF2 and HF is also disclosed.

摘要翻译： 公开了一种制备适于增加烃或卤代烃中的氟含量的催化剂组合物的方法。 该方法包括（a）通过向可溶性三价铬盐和选自银和钯的改性金属的可溶性盐的水溶液中加入氢氧化铵共沉淀固体，所述改性金属含有至少三摩尔硝酸盐（即， 在溶液中每摩尔铬（即，Cr + 3 +），具有约0.05原子的改性剂金属浓度 在溶液中的改性剂金属和铬的总浓度的约10原子％至约10原子％，以形成含有共沉淀固体和溶解的硝酸铵的含水混合物; 并且在溶液中每摩尔铬至少三摩尔氢氧化铵已加入到溶液中之后，（b）干燥（a）中形成的所述含水混合物; 和（c）在（b）中形成的干燥固体在含有至少10体积％氧（例如空气）的气氛中煅烧。 还公开了包含α-氧化铬和通过上述方法制备的选自银和钯的改性金属的催化剂组合物。 还公开了一种在催化剂存在下增加烃或卤代烃中的氟含量的方法; 以及使用包含铬，氧和选自硫化银和钯的改性剂的催化剂组合物作为必需组成元素（例如通过上述方法制备的催化剂组合物）的方法。 还公开了包含CF 3 CCl-CF 2 H 2和HF的共沸组合物。

公开(公告)号：US20080149472A1

公开(公告)日：2008-06-26

申请号：US11792643

申请日：2005-12-19

申请人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

发明人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

IPC分类号： C07C17/00

CPC分类号： C07C19/08 ,  C07C17/10 ,  C07C17/206 ,  C07C19/10 ,  C07C19/12

摘要： A process is disclosed for increasing the fluorine content of at least one compound selected from halohydrocarbons and hydrocarbons. The process involves (a) directing light from a light source through the wall of a reactor to interact with reactants comprising chlorine and said at least one compound in said reactor, thereby producing a halogenated hydrocarbon having increased chlorine content by photochlorination, and (b) reacting said halogenated hydrocarbon produced by the photochlorination in (a) with HF; and is characterized by the light directed through the reactor wall being directed through a poly(perhaloolefin) polymer.

摘要翻译： 公开了用于增加选自卤代烃和烃的至少一种化合物的氟含量的方法。 该方法包括（a）将来自光源的光引导通过反应器的壁与所述反应器中包含氯和所述至少一种化合物的反应物相互作用，从而通过光氯化产生具有增加的氯含量的卤代烃，和（b） 使（a）中的光氯化生产的卤代烃与HF反应; 并且其特征在于穿过反应器壁的光被引导通过聚（全卤代烯烃）聚合物。

公开(公告)号：US06291730B1

公开(公告)日：2001-09-18

申请号：US09011401

申请日：1998-01-28

申请人： Ralph Thomas Baker ,  Viacheslav Alexandrovich Petrov ,  Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

发明人： Ralph Thomas Baker ,  Viacheslav Alexandrovich Petrov ,  Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

IPC分类号： C07C1710

CPC分类号： C07C19/10 ,  C07C17/206 ,  C07C17/275 ,  C07C17/278 ,  C07C17/38 ,  C07C17/386 ,  C07C19/08 ,  Y02P20/582 ,  C07C19/01 ,  C07C19/16

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═C3R4 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 processes for producing such azeotropes. A process for purification of certain hydrofluorocarbons and/or chloroprecursors thereof from mixtures of such compounds with HF is also disclosed.

摘要翻译： 公开了制备下式的卤化烷烃加成物的液相方法：CAR1R2CBR3R4（其中A，B，R1，R2，R3和R4如说明书中所定义），其涉及使相应的卤代烷烃AB与相应的 烯烃，CR1R2 = C3R4在二腈或环状碳酸酯溶剂中，其将反应混合物分成两个液相，并且在催化剂体系存在下，包含：（i）至少一种选自单价和二价铜的催化剂; 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。 这些化合物可用作生产氢氟烃的中间体。 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的共沸物质; 生产这种共沸物的方法也是如此。 还公开了从这些化合物与HF的混合物中纯化某些氢氟烃和/或其氯前体的方法。

公开(公告)号：US08053611B2

公开(公告)日：2011-11-08

申请号：US11988258

申请日：2006-08-04

申请人： Velliyur Nott Mallikarjuna Rao ,  H. David Rosenfeld ,  Allen Capron Sievert ,  Shekhar Subramoney

发明人： Velliyur Nott Mallikarjuna Rao ,  H. David Rosenfeld ,  Allen Capron Sievert ,  Shekhar Subramoney

IPC分类号： C07C17/00

CPC分类号： B01J37/26 ,  B01J23/868 ,  C07C17/21 ,  C07C17/23 ,  C07C19/08 ,  C07C21/18 ,  C07C19/10

摘要： A process is disclosed for the manufacture of 1,1,1,3,3,3-hexafluoropropane and 1,1,1,2,3,3-hexafluoropropane, hexafluoropropene and/or 1,1,1,2,3,3,3-heptafluoropropane. The process involves (a) reacting HF, Cl2, and at least one halopropene of the formula CX3CCl═CClX (where each X is independently F or Cl) to produce a product comprising CF3CCl2CF3 and CF3CClFCClF2; (b) reacting CF3CCl2CF3 and CF3CClFCClF2 produced in (a) with hydrogen, optionally in the presence of HF, to produce a product comprising CF3CH2CF3 and at least one of CHF2CHFCF3, CF3CF═CF2 and CF3CFHCF3; and (c) recovering from the product produced in (b), CF3CH2CF3 and at least one of CHF2CHFCF3, CF3CF═CF2 and CF3CFHCF3. In (a), the CF3CCl2CF3 and CF3CClFCClF2 are produced in the presence of a chlorofluorination catalyst including (i) a crystalline alpha-chromium oxide where at least 0.05 atom % of the chromium atoms in the alpha-chromium oxide lattice are replaced by divalent copper, and/or (ii) a chromium-containing composition of (i) which has been treated with a fluorinating agent.

摘要翻译： 公开了用于制造1,1,1,3,3,3-六氟丙烷和1,1,1,2,3,3-六氟丙烷，六氟丙烯和/或1,1,1,2,3， 3,3-七氟丙烷。 该方法包括（a）使HF，Cl 2和至少一种式CX3CCl = CClX（其中每个X独立地为F或Cl）的卤代丙烯反应以产生包含CF 3 CCl 2 CF 3和CF 3 CClFCClF 2的产物; （b）使（a）中制备的CF 3 CCl 2 CF 3和CF 3 CClFCClF与任选在HF存在下的氢反应，生成包含CF 3 CH 2 CF 3和CHF 2 CHFCF 3，CF 3CF≡CF2和CF 3 CFHCF 3中的至少一种的产物; 和（c）从（b）中产生的产物，CF 3 CH 2 CF 3和CHF 2 CHFCF 3，CF 3CF≡CF2和CF 3 CFHCF 3中的至少一种中回收。 在（a）中，CF 3 CCl 2 CF 3和CF 3 CClFCClF 2在氯氟化催化剂的存在下制备，包括（i）结晶α-氧化铬，其中至少0.05原子％的α-氧化铬晶格中的铬原子被二价铜 ，和/或（ⅱ）已经用氟化剂处理的（ⅰ）的含铬组合物。

公开(公告)号：US20110105808A1

公开(公告)日：2011-05-05

申请号：US11988257

申请日：2006-08-04

申请人： Velliyur Nott Mallikarjuna Rao ,  H. David Rosenfeld ,  Allen Capron Sievert ,  Shekhar Subramoney

发明人： Velliyur Nott Mallikarjuna Rao ,  H. David Rosenfeld ,  Allen Capron Sievert ,  Shekhar Subramoney

IPC分类号： C07C17/08

CPC分类号： B01J37/03 ,  B01J23/868 ,  B01J37/0009 ,  B01J37/26 ,  C07C17/21 ,  C07C17/23 ,  C07C17/25 ,  C07C21/18 ,  C07C19/10 ,  C07C19/08

摘要： A process for the manufacture of CF3CH═CF2 and CF3CF═CHF is disclosed. The process involves (a) reacting HF and chlorine and at least one halopropene of the formula CX3CCl═CClX (where each X is independently F or Cl) to produce a product including both CF3CCl2CF3 and CF3CCIFCClF2; (b) reacting CF3CCl2CF3 and CF3CCIFCClF2 produced in (a) with hydrogen to produce a product including both CF3CH2CF3 and CF3CHFCHF2; (c) dehydrofluorinating CF3CH2CF3 and CF3CHFCHF2 produced in (b) to produce a product including both CF3CH═CF2 and CF3CF═CHF; and (d) recovering CF3CH═CF2 and CF3CF═CHF from the product produced in (c). In (a), both CF3CCl2CF3 and CF3CCIFCClF2 are produced in the presence of a chlorofluorination catalyst consisting of (i) compositions comprising a crystalline alpha-chromium oxide where at least 0.05 atom % of the chromium atoms in the alpha-chromium oxide lattice are replaced by copper, and (H) compositions of (i) which have been treated with a fluorinating agent.

摘要翻译： 公开了制备CF 3 CH 2 CF 2和CF 3 CF = CHF的方法。 该方法包括（a）使HF和氯与至少一种式CX3CCl = CClX（其中每个X独立地为F或Cl）的卤代丙烯反应以产生包含CF 3 CCl 2 CF 3和CF 3 CClFFCClF 2的产物; （b）使（a）中制备的CF 3 CCl 2 CF 3和CF 3 CClFFCClF与氢反应以产生包含CF 3 CH 2 CF 3和CF 3 CHFCHF 2的产物; （c）在（b）中制备的CF 3 CH 2 CF 3和CF 3 CHFCHF 2脱氟化氟化产生包括CF 3 CH 2 CF 2和CF 3 CF = CHF的产物; 和（d）从（c）中制备的产物中回收CF 3CH≡CF2和CF 3 CF = CHF。 在（a）中，CF 3 CCl 2 CF 3和CF 3 CClFFCClF 2是在氯氟化催化剂存在下制备的，所述氯氟化催化剂由（i）包含α-氧化铬晶格中至少0.05原子％的铬原子的结晶α-氧化铬的组合物组成 通过铜和（H）组合物（i）已用氟化剂处理。

公开(公告)号：US07663007B2

公开(公告)日：2010-02-16

申请号：US11988259

申请日：2006-08-04

申请人： Velliyur Nott Mallikarjuna Rao ,  H. David Rosenfeld ,  Allen Capron Sievert ,  Shekhar Subramoney

发明人： Velliyur Nott Mallikarjuna Rao ,  H. David Rosenfeld ,  Allen Capron Sievert ,  Shekhar Subramoney

IPC分类号： C07C17/00

CPC分类号： B01J23/868 ,  B01J37/0009 ,  B01J37/03 ,  B01J37/26 ,  C07C17/206 ,  C07C17/21 ,  C07C17/23 ,  C07C17/25 ,  C07C17/354 ,  C07C19/08 ,  C07C21/18 ,  C07C19/10

摘要： A process for the manufacture of CF3CH═CHF and/or CF3CH═CF2 is disclosed. The process involves (a) reacting HF and at least one halopropene of the formula CX3CCI═CCIX (where each X is independently F or CI) to produce a product including both CF3CCI═CF2 and CF3CHCICF3; (b) reacting CF3CCI═CF2 and/or CF3CHCICF3 produced in (a) with hydrogen to produce a product including CF3CH2CHF2 and/or CF3CH2CF3; (c) dehydrofluorinating CF3CH2CHF2 and/or CF3CH2CF3 produced in (b) to produce a product comprising CF3CH═CHF and/or CF3CH═CF2; and (d) recovering CF3CH═CHF and/or CF3CH═CF2 from the product produced in (c). In (a), the CF3CCI═CF2 and CF3CHCICF3 are produced in the presence of a fluorination catalyst comprising at least one chromium-containing component selected from (i) a crystalline alpha-chromium oxide where at least 0.05 atom % of the chromium atoms in the alpha-chromium oxide lattice are replaced by divalent copper, and (ii) a chromium-containing composition of (i) which has been treated with a fluorinating agent.

摘要翻译： 公开了制备CF 3 CH-CHF和/或CF 3 CH-CF 2的方法。 该方法包括（a）HF和至少一种式CX3CCI-CCIX的卤代丙烯（其中每个X独立地为F或Cl）反应以产生包含CF 3 CCl-CF 2和CF 3 CHCICF 3的产物; （b）使（a）中制备的CF 3 CCl-CF 2和/或CF 3 CHCICF 3与氢反应以产生包含CF 3 CH 2 CHF 2和/或CF 3 CH 2 CF 3的产物; （c）在（b）中制备的CF 3 CH 2 CHF 2和/或CF 3 CH 2 CF 3脱氟化氢以产生包含CF 3 CH-CHF和/或CF 3 CH-CF 2的产物; 和（d）从（c）中制备的产物中回收CF 3 CH-CHF和/或CF 3 CH-CF 2。 在（a）中，CF 3 CCl-CF 2和CF 3 CHCICF 3在含有至少一种含铬组分的氟​​化催化剂的存在下制备，所述含铬组分选自（i）结晶α-氧化铬，其中至少0.05原子％ 所述α-氧化铬晶格被二价铜取代，和（ii）已经用氟化剂处理的（i）的含铬组合物。