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公开(公告)号：US4337361A
公开(公告)日：1982-06-29
申请号：US238920
申请日：1981-02-27
IPC分类号： C07C49/167 , B01J27/00 , B01J27/12 , C07B61/00 , C07C45/00 , C07C45/27 , C07C45/32 , C07C45/56 , C07C67/00
CPC分类号： C07C45/567
摘要： A process for the preparation of hexafluoroacetone which comprises contacting, in the liquid phase, hexafluorothioacetone dimer in the presence of an aprotic solvent containing a catalytic amount of an alkali metal fluoride with a gaseous oxidant selected from the group consisting of air, O.sub.2, O.sub.3, NO.sub.2 and NO is disclosed. The preferred aprotic solvent is dimethylformamide, and the preferred gaseous oxidant is O.sub.2.
摘要翻译： 一种制备六氟丙酮的方法，该方法包括在含有催化量的碱金属氟化物的非质子溶剂存在下，在液相中与六氟硫代丙酮二聚物与选自空气，O 2，O 3， 公开了NO2和NO。 优选的非质子溶剂是二甲基甲酰胺，优选的气态氧化剂是O 2。
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公开(公告)号：US4374782A
公开(公告)日：1983-02-22
申请号：US275009
申请日：1981-06-18
IPC分类号： C07C51/58
CPC分类号： C07C51/58
摘要： A process for the preparation of trifluoroacetyl fluoride is disclosed, which comprises reacting, in the liquid phase, hexafluorothioacetone dimer in an aprotic solvent with at least a catalytic amount of an alkali metal fluoride in the presence of an oxidizing agent selected from the group consisting of Ag.sub.2 O, oxides of Pb, Sn, Ni, Co and Fe and M.sub.2 S.sub.2 O.sub.8 wherein M is an alkali metal. The preferred aprotic solvent is dimethylformamide; the preferred alkali metal fluoride is KF; and the preferred oxidizing agents are NiO, PbO.sub.2, and M.sub.2 S.sub.2 O.sub.8 wherein M is Na or K.
摘要翻译： 公开了一种制备三氟乙酰氟的方法，其包括使液相中的六氟硫代丙酮二聚体在非质子传递溶剂中与至少一种催化量的碱金属氟化物在选自以下的氧化剂存在下反应： Ag2O，Pb，Sn，Ni，Co和Fe的氧化物和M2S2O8，其中M是碱金属。 优选的非质子溶剂是二甲基甲酰胺; 优选的碱金属氟化物为KF; 优选的氧化剂是NiO，PbO2和M2S2O8，其中M是Na或K.
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3.发明授权
公开(公告)号：US4411843A
公开(公告)日：1983-10-25
申请号：US372576
申请日：1982-04-29
IPC分类号： C07C17/278 , C07C51/58
CPC分类号： C07C17/278 , C07C51/58
摘要： A process for the preparation of perhaloalkanoyl chloride is disclosed which comprises reacting 1,1,1-trichloroperfluoroalkane, with a sulfur trioxide-containing compound selected from the group consisting of oleum sulfur trioxide and stabilized sulfur trioxide in the presence of catalytic amounts of a halogen catalyst selected from the group consisting of iodine, bromine, iodine monobromide and iodine monochloride and bromine monochloride wherein the 1,1,1-trichloroperhaloalkane is a straight or branched chain acyclic organic compound having 2 to 8 carbon atoms and having at least one trihalomethyl group wherein at least one halo atom is fluorine and having the remaining carbon atoms substituted by F, Cl, Br or I atoms.
摘要翻译： 公开了一种制备全卤烷酰氯的方法，其包括在催化量的卤素存在下使1,1,1-三氯全氟烷烃与选自三氧化硫烟和硫酸三氧化硫的三氧化硫的化合物反应 选自碘，溴，一碘化碘和一氯化碘和一氯化氯的催化剂，其中1,1,1-三氯环烷烃是具有2-8个碳原子并具有至少一个三卤代甲基的直链或支链无环有机化合物 其中至少一个卤原子是氟并且其余的碳原子被F，Cl，Br或I原子取代。
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公开(公告)号：US4340548A
公开(公告)日：1982-07-20
申请号：US216033
申请日：1980-12-15
IPC分类号： C07C51/58
CPC分类号： C07C51/58
摘要： A process for the preparation of perhaloalkanoyl chloride is disclosed which comprises reacting 1,1,1-trichloroperfluoroalkane, with a sulfur trioxide-containing compound selected from the group consisting of oleum sulfur trioxide and stabilized sulfur trioxide in the presence of catalytic amounts of a halogen catalyst selected from the group consisting of iodine, bromine, iodine monobromide and iodine monochloride and bromine monochloride. The preferred product is trifluoroacetyl chloride.
摘要翻译： 公开了一种制备全卤烷酰氯的方法，其包括在催化量的卤素存在下使1,1,1-三氯全氟烷烃与选自三氧化硫烟和硫酸三氧化硫的三氧化硫的化合物反应 催化剂选自碘，溴，一碘化碘和一氯化碘和一氯化氯。 优选的产物是三氟乙酰氯。
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公开(公告)号：US5728904A
公开(公告)日：1998-03-17
申请号：US679938
申请日：1996-07-15
IPC分类号： B01J23/44 , B01J27/135 , C07B61/00 , C07C17/20 , C07C17/23 , C07C17/278 , C07C19/08 , C07C17/08
CPC分类号： C07C19/08 , C07C17/206 , C07C17/23 , C07C17/278
摘要： This invention is related to the preparation of hydrofluorocarbons (HFCs). Specifically, it relates to the manufacture of 1,1,1,3,3-pentafluoropropane, CF.sub.3 CH.sub.2 CF.sub.2 H (HFC-245fa) by the steps comprising (1) the formation of CCl.sub.3 CH.sub.2 CCl.sub.3 by the reaction of CCl.sub.4 with vinylidene chloride; (2) the conversion of CCl.sub.3 CH.sub.2 CCl.sub.3 to CF.sub.3 CH.sub.2 CF.sub.2 Cl by reaction with HF in the presence of a fluorination catalyst, selected from TiCl.sub.4, SnCl.sub.4 or mixtures thereof; and (3) reduction of CF.sub.3 CH.sub.2 CF.sub.2 Cl to CF.sub.3l CH.sub.2 CF.sub.2 H.
摘要翻译： 本发明涉及氢氟烃（HFCs）的制备。 具体地说，本发明涉及通过以下步骤制造1,1,1,3,3-五氟丙烷CF 3 CH 2 CF 2 H（HFC-245fa）：（1）通过CCl 4与偏二氯乙烯的反应形成CCl 3 CH 2 ClCl 3; （2）在选自TiCl 4，SnCl 4或其混合物的氟化催化剂存在下，通过与HF反应，将CCl 3 CH 2 ClCl 3转化为CF 3 CH 2 CF 2 Cl; 和（3）CF 3 CH 2 CF 2 Cl还原成CF 3 I CH 2 CF 2 H.
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6.发明授权Azeotrope-like compositions of dichloropentafluoropropane and 1,2-dichloroethylene 失效二氯五氟丙烷和1,2-二氯乙烯的类共沸组合物
公开(公告)号：US5288819A
公开(公告)日：1994-02-22
申请号：US842849
申请日：1992-02-24
申请人： Hillel Magid , Richard E. Eibeck , Michael Van Der Puy , Richard M. Hollister , Dennis M. Lavery , David P. Wilson
发明人： Hillel Magid , Richard E. Eibeck , Michael Van Der Puy , Richard M. Hollister , Dennis M. Lavery , David P. Wilson
IPC分类号： C11D7/30 , C07C19/08 , C07C21/073 , C11D7/50 , C23G5/028
CPC分类号： C11D7/5059 , C23G5/02851
摘要： Azeotrope-like compositions comprising dichloropentafluoropropane and 1,2-dichloroethylene are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards.
摘要翻译： 包含二氯五氟丙烷和1,2-二氯乙烯的类共沸组合物是稳定的，并且可用作各种工业清洁应用中的脱脂剂和溶剂，包括冷清洗和印刷电路板的去焊剂。
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7.发明授权Azeotrope-like compositions of 1-H-perfluorohexane and trifluoroethanol or n-propanol 失效1 H-全氟己烷和三氟乙醇或正丙醇的类共沸组合物
公开(公告)号：US5259983A
公开(公告)日：1993-11-09
申请号：US873857
申请日：1992-04-27
CPC分类号： C11D7/5063 , C11D7/5081 , C23G5/02803
摘要： Azeotrope-like compositions comprising 1-H-perfluorohexane and trifluoroethanol or n-propanol and optionally nitromethane are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards and dry cleaning.
摘要翻译： 包含1-H-全氟己烷和三氟乙醇或正丙醇和任选的硝基甲烷的类共沸组合物是稳定的，并且可用作各种工业清洁应用中的脱脂剂和溶剂，包括冷清洗和印刷电路板的去焊和干洗。
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8.发明授权Azeotrope-like compositions of 1,1-dichloro-1,2,2-trifluoropropane and alkanol having 1 to 4 carbon atoms 失效1,1-二氯-1,2,2-三氟丙烷和1至4个碳原子的链烷醇的类共沸组合物
公开(公告)号：US4988455A
公开(公告)日：1991-01-29
申请号：US417985
申请日：1989-10-06
申请人： Hillel Magid , Richard E. Eibeck , Michael Van Der Puy , Richard M. Hollister , Dennis M. Lavery
发明人： Hillel Magid , Richard E. Eibeck , Michael Van Der Puy , Richard M. Hollister , Dennis M. Lavery
CPC分类号： C23G5/02841 , C11D7/5081
摘要： Azeotrope-like compositions consisting essentially of 1,1-dichloro-1,2,2-trifluoropropane and alkanol having 1 to 4 carbon atoms are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards.
摘要翻译： 基本上由1,1-二氯-1,2,2-三氟丙烷和1至4个碳原子的链烷醇组成的类共沸组合物是稳定的并且可用作各种工业清洁应用中的脱脂剂和溶剂，包括冷清和 印刷电路板的脱焊。
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公开(公告)号：US5298083A
公开(公告)日：1994-03-29
申请号：US98544
申请日：1993-07-28
申请人： Michael Van Der Puy , Phillip J. Persichini , Andrew J. Poss , Lois A. Shorts , Richard E. Eibeck
发明人： Michael Van Der Puy , Phillip J. Persichini , Andrew J. Poss , Lois A. Shorts , Richard E. Eibeck
CPC分类号： C23G5/02803 , C11D7/5018
摘要： The present invention provides hydrofluorocarbon solvents having a portion which is fluorocarbon and the remaining portion is hydrocarbon and having 4 to 7 carbon atoms. The solvents are useful for dissolving contaminants or removing contaminants from the surface of a substrate.
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公开(公告)号：US4786733A
公开(公告)日：1988-11-22
申请号：US71233
申请日：1987-07-09
IPC分类号： C07D213/50 , C07D213/61 , C07D213/79 , C07D213/80 , C07D213/72 , C07D213/04 , C07D213/24 , C07D213/30
CPC分类号： C07D213/79 , C07D213/50 , C07D213/61 , C07D213/80
摘要： Substituted pyridine compounds particularly alkyl-substituted pyridines, are directly fluorinated to the corresponding 2-fluoro alkyl-substituted pyridines. Fluorine gas, preferably diluted with an inert gas, is passed into the substituted pyridine, preferably in a solvent, at a temperature of +25.degree. C. to -40.degree. C., preferably about -25.degree. C.
摘要翻译： 取代的吡啶化合物，特别是烷基取代的吡啶直接氟化成相应的2-氟烷基取代的吡啶。 优选用惰性气体稀释的氟气在+ 25℃至-40℃，优选约-25℃的温度下进入取代的吡啶，优选在溶剂中。
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