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公开(公告)号：US08927791B2
公开(公告)日：2015-01-06
申请号：US13073023
申请日：2011-03-28
摘要： The current invention relates to a process for making a tetrafluoropropene using a tetrafluorochloropropane and/or a pentafluoropropane as starting or intermediate reagents. More specifically, though not exclusively, the present invention relates to a novel method for preparing a tetrafluoropropene by dehydrohalogenating a starting or intermediate tetrafluorochloropropane and/or pentafluoropropane material in the presence of a caustic solution at a temperature range greater than 40° C. and less than or equal to 80° C.
摘要翻译： 本发明涉及使用四氟氯丙烷和/或五氟丙烷作为起始剂或中间体试剂制备四氟丙烯的方法。 更具体地说，本发明涉及一种通过在苛性碱溶液存在下，在大于40℃和更低的温度范围内将起始或中间四氟氯丙烷和/或五氟丙烷物质脱卤化氢来制备四氟丙烯的新方法 超过或等于80℃
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公开(公告)号：US20100137658A1
公开(公告)日：2010-06-03
申请号：US12631728
申请日：2009-12-04
IPC分类号： C07C17/013
CPC分类号： C07C17/013 , C07C17/087 , C07C19/10
摘要： Provided is a process for making 2-chloro-1,1,1,2-tetrafluoropropane. The process has the step of hydrofluorinating 2-chloro-3,3,3-trifluoropropene in the presence of a catalyst selected from the group consisting of SbCl3, SbCl5, SbF5, TiCl4, SnCl4, Cr2O3, and fluorinated Cr2O3.
摘要翻译： 提供了制备2-氯-1,1,1,2-四氟丙烷的方法。 该方法具有在选自SbCl 3，SbCl 5，SbF 5，TiCl 4，SnCl 4，Cr 2 O 3和氟化Cr 2 O 3的催化剂存在下氢化2-氯-3,3,3-三氟丙烯的步骤。
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公开(公告)号：US07071368B1
公开(公告)日：2006-07-04
申请号：US11054029
申请日：2005-02-09
CPC分类号： C07C17/206 , C07C17/21 , C07C19/08
摘要： A process for producing 1,1,1-trifluoroethane (HFC-143a) which process comprises reacting hydrogen fluoride with vinylidene chloride along with one or more of 1,1,-dichloro-1-fluoroethane (HCFC-141b), 1-chloro-1,1-difluoroethane (HCFC-142b) and 1,1,1-trichloroethane (HCC-140a) in the presence of pentavalent antimony as a fluorination catalyst under conditions to produce 1,1,1-trifluoroethane (HFC-143a), generally in yields of 90% or more.
摘要翻译： 一种制备1,1,1-三氟乙烷（HFC-143a）的方法，该方法包括使氟化氢与偏二氯乙烯与一种或多种1,1,1-二氯-1-氟乙烷（HCFC-141b），1-氯 -1,1-二氟乙烷（HCFC-142b）和1,1,1-三氯乙烷（HCC-140a）在五价锑作为氟化催化剂存在下，生成1,1,1-三氟乙烷（HFC-143a） ，通常为90％以上的收率。
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公开(公告)号：US08952208B2
公开(公告)日：2015-02-10
申请号：US12825040
申请日：2010-06-28
CPC分类号： C07C17/25 , C07C17/087 , C07C17/20 , C07C17/206 , C07C19/10 , C07C21/18
摘要： The invention provides an improved process to manufacture 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) by reacting 2-chloro-3,3,3,-trifluoropropene (HCFO-1233xf) with hydrogen fluoride, in the presence of a fluorination catalyst, where by using 2-chloro-3,3,3,-trifluoropropene (HCFO-1233xf) of high purity, the need to add an oxidizing agent (typically chlorine) to keep the catalyst active can be avoided. The HCFC-244bb is then used as an intermediate in the production of 2,3,3,3-tetrafluoropropene-1 (HFO-1234yf).
摘要翻译： 本发明提供了通过2-氯-3,3,3-三氟丙烯（HCFO-1233xf）与氟化氢反应制备2-氯-1,1,1,2-四氟丙烷（HCFC-244bb）的改进方法， 氟化催化剂的存在，其中通过使用高纯度的2-氯-3,3,3-三氟丙烯（HCFO-1233xf），可以避免添加氧化剂（通常为氯）以保持催化剂活性的需要 。 然后将HCFC-244bb用作生产2,3,3,3-四氟丙烯-1（HFO-1234yf）的中间体。
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公开(公告)号：US20140100393A9
公开(公告)日：2014-04-10
申请号：US12825040
申请日：2010-06-28
IPC分类号： C07C17/087 , C07C17/25
CPC分类号： C07C17/25 , C07C17/087 , C07C17/20 , C07C17/206 , C07C19/10 , C07C21/18
摘要： The invention provides an improved process to manufacture 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) by reacting 2-chloro-3,3,3,-trifluoropropene (HCFO-1233xf) with hydrogen fluoride, in the presence of a fluorination catalyst, where by using 2-chloro-3,3,3,-trifluoropropene (HCFO-1233xf) of high purity, the need to add an oxidizing agent (typically chlorine) to keep the catalyst active can be avoided. The HCFC-244bb is then used as an intermediate in the production of 2,3,3,3-tetrafluoropropene-1 (HFO-1234yf).
摘要翻译： 本发明提供了通过2-氯-3,3,3-三氟丙烯（HCFO-1233xf）与氟化氢反应制备2-氯-1,1,1,2-四氟丙烷（HCFC-244bb）的改进方法， 氟化催化剂的存在，其中通过使用高纯度的2-氯-3,3,3-三氟丙烯（HCFO-1233xf），可以避免添加氧化剂（通常为氯）以保持催化剂活性的需要 。 然后将HCFC-244bb用作生产2,3,3,3-四氟丙烯-1（HFO-1234yf）的中间体。
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公开(公告)号：US08071825B2
公开(公告)日：2011-12-06
申请号：US12185042
申请日：2008-08-01
IPC分类号： C07C17/00
CPC分类号： C07C17/25 , C07C17/04 , C07C17/087 , C07C17/204 , C07C17/206 , C07C17/21 , C07C17/23 , C07C21/18 , C07C19/01 , C07C19/10 , C07C19/08 , C07C21/073
摘要： Disclosed are processes for the production of fluorinated olefins, preferably adapted to commercialization of CF3CF═CH2 (1234yf). In certain preferred embodiments the processes comprise first exposing a compound of Formula (IA) C(X)2═CClC(X)3 (IA) where each X is independently F, Cl or H, preferably CCl2═CClCH2Cl, to one or more sets of reaction conditions, but preferably a substantially single set of reaction conditions, effective to produce at least one chlorofluoropropane, preferably in accordance with Formula (IB): CF3CClX′C(X′)3 Formula (IB) where each X′ is independently F, Cl or H, and then exposing the compound of Formula (IB) to one or more sets of reaction conditions, but preferably a substantially single set of reaction conditions, effective to produce a compound of Formula (II) CF3CF═CHZ (II) where Z is H, F, Cl, I or Br.
摘要翻译： 公开了用于生产氟化烯烃的方法，优选适于CF 3CF≡CH2（1234yf）的商业化。 在某些优选实施方案中，方法包括首先将式（IA）C（X）2 = CClC（X）3（IA）的化合物暴露于其中每个X独立地为F，Cl或H，优选CCl 2 = CClCH 2 Cl， 反应条件，但优选基本上单一组反应条件，有效产生至少一种氯氟丙烷，优选按照式（IB）：CF 3 CClX'C（X'）3式（IB）其中每个X'独立地为 F，Cl或H，然后将式（IB）化合物暴露于一组或多组反应条件，但优选基本上单组的反应条件，有效产生式（II）化合物CF 3 CF = CHZ（II ）其中Z是H，F，Cl，I或Br。
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公开(公告)号：US20090030247A1
公开(公告)日：2009-01-29
申请号：US12185042
申请日：2008-08-01
IPC分类号： C07C21/18
CPC分类号： C07C17/25 , C07C17/04 , C07C17/087 , C07C17/204 , C07C17/206 , C07C17/21 , C07C17/23 , C07C21/18 , C07C19/01 , C07C19/10 , C07C19/08 , C07C21/073
摘要： Disclosed are processes for the production of fluorinated olefins, preferably adapted to commercialization of CF3CF═CH2 (1234yf). In certain preferred embodiments the processes comprise first exposing a compound of Formula (IA) C(X)2═CClC(X)3 (IA) where each X is independently F, Cl or H, preferably CCl2═CClCH2Cl, to one or more sets of reaction conditions, but preferably a substantially single set of reaction conditions, effective to produce at least one chlorofluoropropane, preferably in accordance with Formula (IB): CF3CClXC(X)3 Formula (IB) where each X′ is independently F, Cl or H, and then exposing the compound of Formula (IB) to one or more sets of reaction conditions, but preferably a substantially single set of reaction conditions, effective to produce a compound of Formula (II) CF3CF═CHZ (II) where Z is H, F, Cl, I or Br.
摘要翻译： 公开了用于生产氟化烯烃的方法，优选适于商业化CF 3 CF-CH 2（1234yf）。 在某些优选实施方案中，所述方法包括首先将式（IA）化合物<？在线公式描述=“在线式”中的结束=“铅”→C（X）2 -CClC（X）3 IA）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中每个X独立地为F，Cl或H，优选为CCl 2 -CClCH 2 Cl，一个或多个反应条件，但 优选基本上单组的反应条件，有效地产生至少一种氯氟丙烷，优选根据式（IB）：<？in-line-formula description =“In-line formula”end =“lead”？> CF 3 CClXC（ X）3式（IB）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中每个X'独立地为F，Cl或H，然后将式 ）至一组或多组反应条件，但优选基本上单一组的反应条件，有效产生式（II）化合物<？在线公式描述=“在线式”末端=“铅” > CF 3 CF-CHZ（II）<αin-li ne-formula description =“In-line Formulas”end =“tail”？>其中Z是H，F，Cl，I或Br。
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公开(公告)号：US08058486B2
公开(公告)日：2011-11-15
申请号：US12404130
申请日：2009-03-13
申请人： Daniel C. Merkel , Hsueh Sung Tung , Konstantin A. Pokrovski , Selma Bektesevic , Robert C. Johnson , Haiyou Wang
发明人： Daniel C. Merkel , Hsueh Sung Tung , Konstantin A. Pokrovski , Selma Bektesevic , Robert C. Johnson , Haiyou Wang
IPC分类号： C07C17/25
CPC分类号： C07C21/18 , C01B7/035 , C01B7/0706 , C01B7/195 , C07C17/087 , C07C17/10 , C07C17/206 , C07C17/25 , C07C17/383 , Y02P20/125 , Y02P20/582 , C07C19/10
摘要： A method for preparing 2,3,3,3-tetrafluoroprop-1-ene comprising (a) providing a starting composition comprising at least one compound having a structure selected from Formulae I, II and III: CX2═CCl—CH2X (Formula I) CX3—CCl═CH2 (Formula II) CX3—CHCl—CH2X (Formula III) wherein X is independently selected from F, Cl, Br, and I, provided that at least one X is not fluorine; (b) contacting said starting composition with a first fluorinating agent to produce a first intermediate composition comprising 2-chloro-3,3,3-trifluoropropene and a first chlorine-containing byproduct; (c) contacting said first intermediate composition with a second fluorinating agent to produce a second intermediate composition comprising 2-chloro-1,1,1,2-tetrafluoropropane and a second chlorine-containing byproduct; and (d) catalytically dehydrochlorinating at least a portion of said 2-chloro-1,1,1,2-tetrafluoropropane to produce a reaction product comprising 2,3,3,3-tetrafluoroprop-1-ene.
摘要翻译： 一种制备2,3,3,3-四氟丙-1-烯的方法，包括（a）提供起始组合物，其包含至少一种具有选自式I，II和III的结构的化合物：CX2 = CCl-CH2X（式I ）CX3-CCl = CH2（式II）CX3-CHCl-CH2X（式III）其中X独立地选自F，Cl，Br和I，条件是至少一个X不是氟; （b）使所述起始组合物与第一氟化剂接触以产生包含2-氯-3,3,3-三氟丙烯和第一含氯副产物的第一中间体组合物; （c）使所述第一中间体组合物与第二氟化剂接触以产生包含2-氯-1,1,1,2-四氟丙烷和第二含氯副产物的第二中间体组合物; 和（d）将至少一部分所述2-氯-1,1,1,2-四氟丙烷催化脱氯化氢以产生包含2,3,3,3-四氟丙-1-烯的反应产物。
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公开(公告)号：US07951982B2
公开(公告)日：2011-05-31
申请号：US11592842
申请日：2006-11-03
申请人： Sudip Mukhopadhyay , Haridasan K. Nair , Hsueh S. Tung , Michael Van Der Puy , Robert C. Johnson , Daniel C. Merkel
发明人： Sudip Mukhopadhyay , Haridasan K. Nair , Hsueh S. Tung , Michael Van Der Puy , Robert C. Johnson , Daniel C. Merkel
IPC分类号： C07C21/18
CPC分类号： C07C17/25 , B01J23/02 , B01J23/44 , B01J23/755 , B01J23/78 , B01J23/83 , B01J35/06 , C07C17/00 , C07C17/269 , C07C21/18 , C07C19/08
摘要： Disclosed is a process for the preparation of fluorinated olefins. In preferred embodiments C3 olefins are produced by methods comprising contacting a compound of the Formula (I) C(R1aR2bR3c) (I) with a compound of Formula (II) C(R1aR2bR3c)Cn(R1aR2bR3c) II wherein R1a, R2b, and R3c are independently a hydrogen atom or a halogen selected from the group consisting of fluorine; chlorine, bromine and iodine, provided that the compound of formula I has at least three halogen substituents and that said at three halogen substituents comprise at least one fluorine; a, b and c are independently=0, 1, 2 or 3 and (a+b+c)=2 or 3; and n is 0 or 1, under conditions effective to produce at least one C3 fluoroolefin.
摘要翻译： 公开了一种制备氟化烯烃的方法。 在优选实施方案中，C3烯烃通过以下方法制备：包括使式（I）C（R 1a R 2b b C 3）（I）的化合物与式（II）的化合物C（R1aR2bR3c）Cn（R1aR2bR3c）II的化合物接触，其中R1a，R2b和R3c 独立地为氢原子或选自氟的卤素; 氯，溴和碘，条件是式I化合物具有至少三个卤素取代基，并且在三个卤素取代基上含有至少一个氟; a，b和c独立地为= 0,1,2或3，（a + b + c）= 2或3; 在有效产生至少一种C3氟代烯烃的条件下，n为0或1。
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公开(公告)号：US20100331583A1
公开(公告)日：2010-12-30
申请号：US12825040
申请日：2010-06-28
IPC分类号： C07C17/087 , C07C17/25
CPC分类号： C07C17/25 , C07C17/087 , C07C17/20 , C07C17/206 , C07C19/10 , C07C21/18
摘要： The invention provides an improved process to manufacture 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) by reacting 2-chloro-3,3,3,-trifluoropropene (HCFO-1233xf) with hydrogen fluoride, in the presence of a fluorination catalyst, where by using 2-chloro-3,3,3,-trifluoropropene (HCFO-1233xf) of high purity, the need to add an oxidizing agent (typically chlorine) to keep the catalyst active can be avoided. The HCFC-244bb is then used as an intermediate in the production of 2,3,3,3-tetrafluoropropene-1 (HFO-1234yf).
摘要翻译： 本发明提供了通过2-氯-3,3,3-三氟丙烯（HCFO-1233xf）与氟化氢反应制备2-氯-1,1,1,2-四氟丙烷（HCFC-244bb）的改进方法， 氟化催化剂的存在，其中通过使用高纯度的2-氯-3,3,3-三氟丙烯（HCFO-1233xf），可以避免添加氧化剂（通常为氯）以保持催化剂活性的需要 。 然后将HCFC-244bb用作生产2,3,3,3-四氟丙烯-1（HFO-1234yf）的中间体。
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