Process for producing 1,1,1,3,3-pentafluoropropane
    41.
    发明授权
    Process for producing 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:US6018084A

    公开(公告)日:2000-01-25

    申请号:US91820

    申请日:1998-06-25

    CPC分类号: C07C19/08 C07C17/00 C07C17/21

    摘要: A manufacturing method for 1,1,1,3,3-pentafluoropropane comprises a first process, in which 1,1,1-trifluoro-3-chloro-2-propene is obtained by inducing a reaction between 1,1,1,3,3-pentafluoropropane and hydrogen fluoride in the vapor phase, and a second process, in which the 1,1,1,3,3-pentafluoropropane is obtained by inducing a reaction between 1,1,1-trifluoro-3-chloro-2-propene and hydrogen in the vapor phase, and 1,1,1-trifluoro-3-chloro-2-propene obtained in the first process is supplied to the second process after removing the HCl by-products. This invention can provide a new economic manufacturing method of 1,1,1,3,3-pentafluoropropane with high yield and selectivity.

    摘要翻译: PCT No.PCT / JP96 / 02942 Sec。 371日期:1998年6月25日第 102(e)1998年6月25日PCT PCT 1996年10月8日PCT公布。 公开号WO97 / 24307 日期1997年7月10日1,1,1,3,3-五氟丙烷的制造方法包括第一工序,其中通过在1,1-三氟-3-氯-2-丙烯之间的反应而获得1,1,1-三氟-3-氯-2-丙烯 ,1,1,3,3-五氟丙烷和氟化氢的第二种方法,其中1,1,1,3,3-五氟丙烷是通过在1,1,1-三氟丙烷和1,1,1-三氟丙烷之间的反应获得的, 三氟-3-氯-2-丙烯和氢气,以及在除去HCl副产物后,将第一种方法中获得的1,1,1-三氟-3-氯-2-丙烯供入第二种方法 。 本发明可以以高产率和选择性提供1,1,1,3,3-五氟丙烷的新经济制造方法。

    Process of preparing perfluoroalkylcarboxylic acid
    42.
    发明授权
    Process of preparing perfluoroalkylcarboxylic acid 失效
    制备全氟烷基羧酸的方法

    公开(公告)号:US5945562A

    公开(公告)日:1999-08-31

    申请号:US14179

    申请日:1998-01-27

    CPC分类号: C07C51/29

    摘要: A process of preparing a perfluoroalkylcarboxylic acid by an oxidative decomposition reaction of a perfluoroalkylethylene corresponding to a general formula:Rf--CH.dbd.CH.sub.2�wherein, Rf is a perfluoroalkyl group containing 2 to 14 carbon atoms.!to obtain a perfluoroalkylcarboxylic acid corresponding to a general formula:Rf--COOH�wherein, Rf is the same as the above.!characterized that the reaction is carried out in the presence of an organic solvent which is compatible with water and substantially inert to the above reaction, a ruthenium compound as a catalyst and an aqueous solution of at least one of hypochlorous acid or a salt thereof is provided.

    摘要翻译: 通过对应于通式Rf-CH = CH 2 [其中,Rf是含有2〜14个碳原子的全氟烷基]的全氟烷基乙烯的氧化分解反应制备全氟烷基羧酸的方法,得到对应于 通式:Rf-COOH [其中,Rf与上述相同],其特征在于反应在与水相容并对上述反应基本上惰性的有机溶剂的存在下进行,钌化合物为 催化剂和次氯酸或其盐中的至少一种的水溶液。

    Method for manufacturing 1,1,1,2,3-pentafluoropropene
1,1,1,2,3-pentafluoropropane
    43.
    发明授权
    Method for manufacturing 1,1,1,2,3-pentafluoropropene 1,1,1,2,3-pentafluoropropane 失效
    制备1,1,1,2,3-五氟丙烯1,1,1,2,3-五氟丙烷的方法

    公开(公告)号:US5679875A

    公开(公告)日:1997-10-21

    申请号:US338528

    申请日:1994-11-30

    摘要: The present inventions provide manufacturing methods of 1,1,1,2,3-pentafluoropropene characterized by the reaction of removing HF by means of the contact of 1,1,1,2,3,3-hexafluoropropane in the gas state with active carbon or active carbon added with metallic salt. 1,1,1,2,3-pentafluoropropene can be produced from easily available 1,1,1,2,3,3-hexafluoropropane by cost-effective industrial methods at high yields according to these inventions. The inventions also provide manufacturing methods of 1,1,1,2,3-pentafluoropropane characterized by reducing 1,1,1,2,3-pentafluoropropene with hydrogen under the presence of a hydrogenation catalyst consisting of palladium added with one or more of silver, copper, gold, tellurium, zinc, chromium, molybdenum, and thallium or under the presence of a rhodium catalyst. The desired product can be produced at high reactivities and high selectivities according to these inventions.

    摘要翻译: PCT No.PCT / JP93 / 00661 Sec。 371日期1994年11月30日 102(e)1994年11月30日日期PCT提交1993年5月19日PCT公布。 出版物WO93 / 25510 日期1993年12月23日本发明提供1,1,1,2,3-五氟丙烯的制造方法,其特征在于通过1,1,1,2,3,3-六氟丙烷与 用活性炭或活性炭加入金属盐的气态。 根据这些发明,可以通过成本有效的工业方法以高产率从容易获得的1,1,1,2,3,3-六氟丙烷制备1,1,1,2,3-五氟丙烯。 本发明还提供了1,1,1,2,3-五氟丙烷的制备方法,其特征在于在氢化催化剂存在下还原1,1,1,2,3-五氟丙烯,所述加氢催化剂由添加有一种或多种 银,铜,金,碲,锌,铬,钼和铊,或在铑催化剂的存在下。 根据这些发明,可以以高反应性和高选择性生产所需的产物。

    Fluorinating reagents and method of fluorination
    44.
    发明授权
    Fluorinating reagents and method of fluorination 失效
    氟化试剂和氟化方法

    公开(公告)号:US5527960A

    公开(公告)日:1996-06-18

    申请号:US373280

    申请日:1995-01-24

    申请人: Hirokazu Aoyama

    发明人: Hirokazu Aoyama

    摘要: Fluorinating reagents expressed in a general formula; ##STR1## (In the general formula, R is an alkyl group having 1 to 5 carbons or a dialkylamino group in which each alkyl group has 1 to 3 carbons.), and a fluorinating method to fluorinate an alcoholic hydroxyl group by using the reagent. Raw materials of the aforesaid fluorinating reagents can be easily converted to object products and are less poisonous and corrosive. Their procurement and preparation are also easy. Further, it is easy to fluorinate compounds containing an alcoholic hydroxyl group by using this fluorinating reagents.

    摘要翻译: PCT No.PCT / JP93 / 01014 Sec。 371日期1995年1月24日 102(e)日期1995年1月24日PCT提交1993年7月19日PCT公布。 第WO94 / 03414号公报 日期:1994年2月17日。以通式表示的氟化试剂; (通式中,R为碳原子数1〜5的烷基或碳原子数1〜3的烷基)的二烷基氨基),使用该试剂氟化醇羟基的氟化法 。 上述氟化试剂的原料可以容易地转化为目标产物,毒性较小且具有腐蚀性。 他们的采购和准备也很容易。 此外,通过使用该氟化试剂,易于氟化含有醇羟基的化合物。

    Preparation of 1,1,1,4,4,4-hexafluorobutane
    45.
    发明授权
    Preparation of 1,1,1,4,4,4-hexafluorobutane 失效
    制备1,1,1,4,4,4-六氟丁烷

    公开(公告)号:US5364991A

    公开(公告)日:1994-11-15

    申请号:US90044

    申请日:1993-07-20

    摘要: 1,1,1,4,4,4-Hexafluorobutane is prepared by reducing 2-chloro-1,1,1,4,4,4-hexafluorobutene-2 with hydrogen in the presence of a hydrogenation catalyst containing an alloy which contains at least one first metal component selected from the group consisting of platinum and palladium and at least one second metal component selected from the group consisting of silver, copper, gold, tellurium, zinc, chromium, molybdenum and thallium. 1,1,1,4,4,4-Hexafluorobutane can be prepared in a high selectivity and a high yield.

    摘要翻译: PCT No.PCT / JP92 / 01529 Sec。 371日期:1993年7月20日 102(e)日期1993年7月20日PCT提交1992年11月24日PCT公布。 WO93 / 10067 PCT出版物 日期:1993年5月27日.1,1,1,4,4,4-六氟丁烷是在氢化催化剂存在下用氢还原2-氯-1,1,1,4,4,4-六氟丁烯-2制备的, 含有选自铂和钯的至少一种第一金属成分和选自银,铜,金,碲,锌,铬,钼和铊的至少一种第二金属成分的合金。 可以高选择性和高产率制备1,1,1,4,4,4-六氟丁烷。

    Process for preparing pentafluorodichloropropanes
    47.
    发明授权
    Process for preparing pentafluorodichloropropanes 失效
    五氟二氯丙烷的制备方法

    公开(公告)号:US5177274A

    公开(公告)日:1993-01-05

    申请号:US743686

    申请日:1991-08-12

    IPC分类号: C07C17/278

    CPC分类号: C07C17/278

    摘要: 1,1,1,2,2-Pentafluoro-3,3-dichloropropane and 1,1,2,2,3-pentafluoro-1,3-dichloropropane are prepared by reacting dichlorofluoromethane and tetrafluoroethylene in a solvent in the presence of a catalyst with improved conversion and selectivity.

    摘要翻译: 1,1,1,2,2-五氟-3,3-二氯丙烷和1,1,2,2,3-五氟-1,3-二氯丙烷是通过使二氯氟甲烷和四氟乙烯在溶剂中在 催化剂具有改进的转化率和选择性。

    Process for preparing end-modified vinylidene fluoride elastomer
    48.
    发明授权
    Process for preparing end-modified vinylidene fluoride elastomer 有权
    制备端改性偏二氟乙烯弹性体的方法

    公开(公告)号:US08722809B2

    公开(公告)日:2014-05-13

    申请号:US12863549

    申请日:2009-01-20

    摘要: The present invention provides a preparation process for converting to a vinylidene fluoride elastomer having a group having sulfinic acid, sulfinic acid derivative, sulfonic acid or sulfonic acid derivative at one end or both ends of its trunk chain, and the preparation process provides a vinylidene fluoride elastomer having, at one end or both ends of its trunk chain, end groups represented by the formula: —CR1R2—CR3R4—SO2H, wherein R1 to R4 may be the same or different and each is hydrogen atom or fluorine atom, by allowing a vinylidene fluoride elastomer having, at one end or both ends of its trunk chain, end groups represented by the formula: —CR1R2—CR3R4—X1, wherein R1 to R4 are as defined above, X1 is bromine atom or iodine atom, to react with a sulfur compound represented by the formula: (M1)nH2-nS2O4, wherein M1 is a monovalent or divalent metal ion or ammonium ion, n is an integer of 0 to 2.

    摘要翻译: 本发明提供一种在其主链的一端或两端转化为具有亚磺酸,亚磺酸衍生物,磺酸或磺酸衍生物的基团的偏二氟乙烯弹性体的制备方法,其制备方法提供偏二氟乙烯 在其主链的一端或两端具有由下式表示的端基的弹性体:-CR1R2-CR3R4-SO2H,其中R1至R4可以相同或不同,各自为氢原子或氟原子,通过使 偏二氟乙烯弹性体在其主链的一端或两端具有由下式表示的端基:-CR1R2-CR3R4-X1,其中R1至R4如上定义,X​​1为溴原子或碘原子,与 由式(M1)nH2-nS2O4表示的硫化合物,其中M1是一价或二价金属离子或铵离子,n是0-2的整数。

    Process for preparing heteroaromatic ring compound having N-Rf group
    50.
    发明授权
    Process for preparing heteroaromatic ring compound having N-Rf group 有权
    制备具有N-Rf基团的杂芳环化合物的方法

    公开(公告)号:US08252944B2

    公开(公告)日:2012-08-28

    申请号:US13350498

    申请日:2012-01-13

    IPC分类号: C07D233/54 C07D233/60

    摘要: There is provided a preparation process in which a N—H group of a heteroaromatic ring compound having a N—H group in its ring is converted directly to a N—Rf group at a high reaction efficiency without using a catalyst. The preparation process is a process for preparing a compound comprising a heteroaromatic ring structure having a N—Rf group (—Rf is a fluorine-containing organic group) in its ring and is characterized in that the heteroaromatic ring compound having a N—H group in its ring is allowed to react with fluoroalkene in the absence of an alkali metal.

    摘要翻译: 提供了一种制备方法,其中在其环中具有N-H基团的杂芳环化合物的N-H基团在不使用催化剂的情况下以高反应效率直接转化为N-Rf基团。 制备方法是在环中制备包含具有N-Rf基(-Rf为含氟有机基团)的杂芳环结构的化合物的方法,其特征在于具有N-H基的杂芳环化合物 在不存在碱金属的情况下使其与氟代烯烃反应。