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公开(公告)号:US20100280291A1
公开(公告)日:2010-11-04
申请号:US12808410
申请日:2008-12-24
IPC分类号: C07C17/23
CPC分类号: C07C21/20 , C07C17/04 , C07C17/23 , C07C17/25 , C07C17/281 , Y02P20/582 , C07C19/10
摘要: Process for preparing perfluoro-1,3-butadiene, comprising the following steps: A) preparation of fluoro-halo-butanes of formula: CF2 YI—CFYII—CFYII—CF2 YI (V) in which YI and YII, which may be identical or different, may be H, Cl or Br, with the condition that YI and YII are not simultaneously hydrogen; starting with a chloroolefin having the formula: CY″Y═CY′Cl (II) in which Y, Y′, Y″, which may be identical or different, are H, Cl or Br, with the condition that Y, Y′, Y″ are not simultaneously hydrogen; and performing the following steps: a fluorodimerization, and a fluorination with elemental fluorine, the order of the two steps also possibly being inverted, a dehalogenation or dehydrohalogenation step being performed between the two steps, B) dehalogenation or dehydrohalogenation of the fluoro-halo compounds of formula (V) to give the compound perfluoro-1,3-butadiene.
摘要翻译: 制备全氟-1,3-丁二烯的方法,包括以下步骤:A)制备式为:CF 2 YI-CFYII-CFYII-CF 2 Y(V)的氟代 - 丁烷,其中YI和YII可以相同 或不同的,可以是H,Cl或Br,条件是YI和YII不同时为氢; 以具有下式的氯代烯烃开始:其中Y,Y',Y“可以相同或不同,为H,Cl或Br,条件是Y,Y' ,Y“不同时为氢; 并进行以下步骤:氟代二聚和氟元素氟化,两个步骤的顺序也可能反转,在两个步骤之间进行脱卤或脱卤化氢步骤,B)氟 - 卤素化合物的脱卤或脱卤化氢 的式(V)化合物,得到化合物全氟-1,3-丁二烯。
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公开(公告)号:US08536387B2
公开(公告)日:2013-09-17
申请号:US12808410
申请日:2008-12-24
IPC分类号: C07C17/23
CPC分类号: C07C21/20 , C07C17/04 , C07C17/23 , C07C17/25 , C07C17/281 , Y02P20/582 , C07C19/10
摘要: Process for preparing perfluoro-1,3-butadiene, comprising the following steps: A) preparation of fluoro-halo-butanes of formula: CF2YI—CFYII—CFYII—CF2YI (V) in which YI and YII, which may be identical or different, may be H, Cl or Br, with the condition that YI and YII are not simultaneously hydrogen; starting with a chloroolefin having the formula: CY″Y═CY′Cl (II) in which Y, Y′, Y″, which may be identical or different, are H, Cl or Br, with the condition that Y, Y′, Y″ are not simultaneously hydrogen; and performing the following steps: a fluorodimerization, and a fluorination with elemental fluorine, the order of the two steps also possibly being inverted, a dehalogenation or dehydrohalogenation step being performed between the two steps, B) dehalogenation or dehydrohalogenation of the fluoro-halo compounds of formula (V) to give the compound perfluoro-1,3-butadiene.
摘要翻译: 制备全氟-1,3-丁二烯的方法,包括以下步骤:A)制备式:CF 2 YI-CFYII-CFYII-CF 2 Y(V)的氟 - 卤代丁烷,其中YI和YII可以相同或不同 可以是H,Cl或Br,条件是YI和YII不同时为氢; 以具有下式的氯代烯烃开始:CY'Y = CY'Cl(II)其中Y,Y',Y“可以相同或不同,为H,Cl或Br,条件是Y, Y',Y“不同时为氢; 并进行以下步骤:氟代二聚和氟元素氟化,两个步骤的顺序也可能反转,在两个步骤之间进行脱卤或脱卤化氢步骤,B)氟 - 卤素化合物的脱卤或脱卤化氢 的式(V)化合物,得到化合物全氟-1,3-丁二烯。
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公开(公告)号:US09868684B2
公开(公告)日:2018-01-16
申请号:US13982288
申请日:2012-02-02
申请人: Stefano Millefanti , Vito Tortelli , Giuseppe Marchionni , Stefania Albonetti , Manuel Gregori , Giuseppe Fornasari
发明人: Stefano Millefanti , Vito Tortelli , Giuseppe Marchionni , Stefania Albonetti , Manuel Gregori , Giuseppe Fornasari
IPC分类号: C07C41/24
摘要: The invention pertains to a process for the manufacture of a perfluorovinylether by hydrodehalogenation of a halofluoroether (HFE) having general formula (I-A) or (I-B): RfO—CRf′X—CRf″Rf′″X″ (I-A) wherein Rf represents a C1-C6 perfluoro(oxy)alkyl group; Rf′, Rf″ and Rf′″, equal or different from each other, independently represent fluorine atoms or C1-C5 perfluoro(oxy)alkyl groups; X and X′, equal or different from each other, are independently chosen among Cl, Br or I; wherein Rf* and Rf*′, equal or different from each other, independently represent fluorine atoms or C1-C3 perfluoro(oxy)alkyl groups; Y1 and Y2, equal or different from each other, independently represent fluorine atoms or C1-C3 perfluoroalkyl groups; X and X′ are as above defined; said process comprising contacting said halofluoroether (HFE) with hydrogen in the presence of a catalyst comprising palladium and at least one transition metal (M) selected from the group consisting of the metals of group VIIIB, other than palladium, and of group IB.
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公开(公告)号:US20050171388A1
公开(公告)日:2005-08-04
申请号:US11044022
申请日:2005-01-28
IPC分类号: C07C41/18 , C07C41/05 , C07C41/24 , C07C41/48 , C07C43/12 , C07C43/17 , C07C43/313 , C07C43/315 , C07C41/16
CPC分类号: C07C41/48 , C07C43/313 , C07C43/315
摘要: A process for preparing (per)fluorohalogenethers having general formula: wherein: A and A′, equal to or different from each other, are selected among Cl, Br and H; m=1, 2; n=0, 1; R′ is a C1-C3 (per)fluoroalkyl substituent; R is a (per)fluoropolyether substituent; z and z′ are 1 or zero, X1=F, CF3; by reaction of carbonyl compounds having formula: (R′)n—C(O)(F)q(CF2ORI) (II) wherein: R′ and n are as above; q=0, 1; RI is a (per)fluoro-polyether substituent; in liquid phase, with elemental fluorine and with olefinic compounds of formula: CAF=CA′F2 (III) wherein A and A′ are as above, at temperatures from −120° C. to −20° C., preferably from −100° C. to −40° C.
摘要翻译: 制备具有以下通式的(全)氟卤醚的方法:其中:A和A'彼此相同或不同,选自Cl,Br和H; m = 1,2; n = 0,1; R'是C 1 -C 3 -C 3(全)氟烷基取代基; R是一个(全)氟聚醚取代基; z和z'为1或0,X 1 = F,CF 3 3; 通过具有下式的羰基化合物的反应:<?in-line-formula description =“In-line formula”end =“lead”→(R')n -C(O)(F) (II)(II)<?in-line-formula description =“In-line Formulas”end =“tail 其中:R'和n如上所述; q = 0,1; R 1是(全)氟 - 聚醚取代基; 在液相中使用元素氟和具有下式的烯属化合物:<?in-line-formula description =“In-line Formulas”end =“lead”?> CAF = CA'F 2 III)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中A和A'如上所述,在-120℃至-20℃的温度下,优选地 -100°C至-40°C
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公开(公告)号:US07208638B2
公开(公告)日:2007-04-24
申请号:US11044022
申请日:2005-01-28
IPC分类号: C07C41/18
CPC分类号: C07C41/48 , C07C43/313 , C07C43/315
摘要: A process for preparing (per)fluorohalogenethers having general formula: wherein: A and A′, equal to or different from each other, are selected among Cl, Br and H; m=1, 2; n=0, 1; R′ is a C1 to C3 (per)fluoroalkyl substituent; R is a (per)fluoropolyether substituent; z and z′ are 1 or zero, X1=F, CF3; by reaction of carbonyl compounds having formula: (R′)n—C(O)(F)q(CFX1(CF2)z(CH2)z′OR1) (II) wherein: R′ and n are as above; q=0, 1; X1=F or CF3; z=0 or 1; R1 is a (per)fluoropolyether substituent; in liquid phase, with elemental fluorine and with olefinic compounds of formula: CAF=CA′F2 (III) wherein A and A′ are as above, at temperatures from −120° C. to −20° C., preferably from −100° C. to −40° C.
摘要翻译: 制备具有以下通式的(全)氟卤醚的方法:其中:A和A'彼此相同或不同,选自Cl,Br和H; m = 1,2; n = 0,1; R'是C 3〜C 3(全)氟烷基取代基的C 1〜C 3。 R是一个(全)氟聚醚取代基; z和z'为1或0,X 1 = F,CF 3 3; 通过具有下式的羰基化合物的反应:<?in-line-formula description =“In-line formula”end =“lead”→(R')n -C(O)(F) (CF 2)(CF 2)2(CF 2)2(CF 2)(CH 2)其中:R'和n分别为 以上; q = 0,1; X 1 = F或CF 3 N; z = 0或1; R 1是一个(全)氟聚醚取代基; 在液相中使用元素氟和具有下式的烯属化合物:<?in-line-formula description =“In-line Formulas”end =“lead”?> CAF = CA'F 2 III)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中A和A'如上所述,在-120℃至-20℃的温度下,优选地 -100°C至-40°C
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公开(公告)号:US20070004940A1
公开(公告)日:2007-01-04
申请号:US11044021
申请日:2005-01-28
CPC分类号: C07C43/123 , C07C41/01 , C07C43/126
摘要: A process for preparing (per)fluorohalogenethers having general formula: wherein: A and A′, equal to our different from each other, are selected among Cl, Br, H; m=1, 2; n=0, 1; R1 is a fluorinated substituent, preferably perfluorinated, selected from the following groups: C1-C20 linear or branched alkylic; C3-C7 cycloalkylic; aromatic, C6-C10 arylalkyl; heterocyclic or C5-C10-alkylheterocyclic; preferably perfluoroalkyl; R′ is as defined in the application; by reaction of carbonyl compounds having formula: wherein: R1 and n are as above; u=0, 1; R′ is as defined in the application; in liquid phase, with elemental fluorine and with olefinic compounds of formula: CAF═CA′F2 (III) wherein A and A′ are as above, at temperatures from −120° C. to −20° C., preferably from −100° C. to −40° C., optionally in the presence of an inert solvent under the reaction conditions.
摘要翻译: 制备具有以下通式的(全)氟卤醚的方法:其中:A和A'等于我们彼此不同,选自Cl,Br,H; m = 1,2; n = 0,1; R 1是优选全氟化的氟化取代基,其选自以下基团:C 1 -C 20直链或支链烷基; C 3 -C 7环烷基; 芳族C 6 -C 10芳基烷基; 杂环或C 5 -C 10 - 烷基杂环; 优选全氟烷基; R'如申请中所定义; 通过具有下式的羰基化合物的反应:其中:R 1和n如上所述; u = 0,1; R'如申请中所定义; 在液相中使用元素氟和具有下式的烯属化合物:<?in-line-formula description =“In-line Formulas”end =“lead”?> CAF-CA'F 2 III)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中A和A'如上所述,在-120℃至-20℃的温度下,优选地 -100℃至-40℃,任选在惰性溶剂存在下,在反应条件下进行。
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公开(公告)号:US20110098512A1
公开(公告)日:2011-04-28
申请号:US12996351
申请日:2009-06-04
IPC分类号: C07C41/24
CPC分类号: C07C41/24 , C07D317/34 , C07C43/17
摘要: A process for the manufacture of a perfluorovinylether by hydrodehalogenation of a halofluoroether (HFE) having general formula (I-A) or (I-B): wherein Rf represents a C1-C6 perfluoro(oxy)alkyl group; Rf′, Rf″ and Rf′″, equal to or different from each other, independently represent fluorine atoms or C1-C5 perfluoro(oxy)alkyl groups; X and X′, equal to or different from each other, are independently chosen among Cl, Br or I; Rf* and Rf*′, equal to or different from each other, independently represent fluorine atoms or C1-C3 perfluoro(oxy)alkyl groups; Y1 and Y2, equal to or different from each other, independently represent fluorine atoms or C1-C3 perfluoroalkyl groups. The process comprises contacting the halofluoroether (HFE) with hydrogen in the presence of a catalyst comprising at least one transition metal of group VIII B at a temperature of at most 340° C.
摘要翻译: 一种通过通式(I-A)或(I-B)的卤代氟醚(HFE)的加氢脱卤制备全氟乙烯基醚的方法:其中Rf代表C1-C6全氟(氧)烷基; Rf',Rf“和Rf”“彼此相同或不同,独立地表示氟原子或C1-C5全氟(氧)烷基; X和X'彼此相同或不同,独立地选自Cl,Br或I; Rf *和Rf *'彼此相同或不同,独立地表示氟原子或C1-C3全氟(氧)烷基; Y1和Y2彼此相同或不同,独立地表示氟原子或C1-C3全氟烷基。 该方法包括在包含至少一种第ⅧB族过渡金属的催化剂存在下,在至多340℃的温度下使卤代氟醚(HFE)与氢气接触。
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公开(公告)号:US20130131402A1
公开(公告)日:2013-05-23
申请号:US13704001
申请日:2011-06-22
IPC分类号: C07C17/23
CPC分类号: B01J23/44 , B01J21/18 , B01J23/42 , B01J35/023 , B01J35/1023 , B01J35/1028 , B01J37/0009 , B01J37/18 , C07C17/23 , C07C21/18
摘要: A catalytic process for the synthesis of trifluoroethylene from chlorotrifluoroethylene which comprises contacting chlorotrifluoroethylene with hydrogen in the presence of a catalyst consisting of palladium or platinum supported on extruded activated carbon.
摘要翻译: 用于从三氟氯乙烯合成三氟乙烯的催化方法,其包括在负载在挤出的活性炭上的由钯或铂组成的催化剂存在下使氯三氟乙烯与氢接触。
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公开(公告)号:US07157600B2
公开(公告)日:2007-01-02
申请号:US10795995
申请日:2004-03-10
IPC分类号: C07C39/82
CPC分类号: C07C303/22 , C07C309/82
摘要: A process for preparing (per)fluorohalogenethers containing the —SO2F group, having general formula (I): FSO2—R—CF2OCAF—CA′F2 (I) wherein: A and A′, equal to or different from each other, are Cl or Br; R has the following meanings: a (per)fluorinated, preferably perfluorinated, substituent, optionally containing one or more oxygen atoms; by reaction of carbonyl compounds having formula (II): FSO2—R—COF (II) wherein R is as above; in liquid phase with elemental fluorine and with olefinic compounds having formula (III): CAF═CA′F (III) wherein A and A′ are as above, operating at temperatures from −120° C. to −20° C., optionally in the presence of a solvent inert under the reaction conditions.
摘要翻译: 用于制备含(具有通式(I)的-SO 2 F基团的(每个)氟卤醚的方法:<?in-line-formula description =“In-line Formulas”end =“lead” α→FSO 2→R-CF 2→OCAF-CA'F 2(I)<βin-line-formula description =“In 其中:A和A'彼此相同或不同,为Cl或Br; R具有以下含义:任选含有一个或多个氧原子的(全)氟化的,优选全氟化的取代基; 通过具有式(II)的羰基化合物的反应:<?in-line-formula description =“In-line Formulas”end =“lead”→> FSO 2 -R-COF(II) ?in-line-formula description =“In-line formula”end =“tail”?>其中R如上所述; (III)的烯属化合物:&lt;线内公式描述=“In-line formula”end =“lead”?> CAF-CA'F(III) line-formula description =“In-line Formulas”end =“tail”?>其中A和A'如上所述,在-120℃至-20℃的温度下操作,任选地在溶剂存在下 在反应条件下惰性。
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公开(公告)号:US08802899B2
公开(公告)日:2014-08-12
申请号:US12996351
申请日:2009-06-04
CPC分类号: C07C41/24 , C07D317/34 , C07C43/17
摘要: A process for the manufacture of a perfluorovinylether by hydrodehalogenation of a halofluoroether (HFE) having general formula (I-A) or (I-B): wherein Rf represents a C1-C6 perfluoro(oxy)alkyl group; Rf′, Rf″ and Rf′″, equal to or different from each other, independently represent fluorine atoms or C1-C5 perfluoro(oxy)alkyl groups; X and X′, equal to or different from each other, are independently chosen among Cl, Br or I; Rf* and Rf*′, equal to or different from each other, independently represent fluorine atoms or C1-C3 perfluoro(oxy)alkyl groups; Y1 and Y2, equal to or different from each other, independently represent fluorine atoms or C1-C3 perfluoroalkyl groups. The process comprises contacting the halofluoroether (HFE) with hydrogen in the presence of a catalyst comprising at least one transition metal of group VIII B at a temperature of at most 340° C.
摘要翻译: 一种通过通式(I-A)或(I-B)的卤代氟醚(HFE)的加氢脱卤制备全氟乙烯基醚的方法:其中Rf代表C1-C6全氟(氧)烷基; Rf',Rf“和Rf”“彼此相同或不同,独立地表示氟原子或C1-C5全氟(氧)烷基; X和X'彼此相同或不同,独立地选自Cl,Br或I; Rf *和Rf *'彼此相同或不同,独立地表示氟原子或C1-C3全氟(氧)烷基; Y1和Y2彼此相同或不同,独立地表示氟原子或C1-C3全氟烷基。 该方法包括在包含至少一种第ⅧB族过渡金属的催化剂存在下,在至多340℃的温度下使卤代氟醚(HFE)与氢气接触。
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