公开(公告)号：US20050080302A1

公开(公告)日：2005-04-14

申请号：US10956672

申请日：2004-10-01

申请人： Ralph Baker ,  Ralph Miller ,  Viacheslav Petrov ,  Velliyur Rao ,  Allen Sievert

发明人： Ralph Baker ,  Ralph Miller ,  Viacheslav Petrov ,  Velliyur Rao ,  Allen Sievert

IPC分类号： C07C17/20 ,  C07C17/275 ,  C07C17/278 ,  C07C17/38 ,  C07C17/386 ,  C07C19/08 ,  C07C19/10

CPC分类号： C07C19/10 ,  C01B7/191 ,  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═CR3R4 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 process for producing such azeotropes. A process for purification of certain hydrofluorocarbons and/or chloro-precursors thereof from mixtures of such compounds with HF is also disclosed.

摘要翻译： 公开了用于制备式CAR 1 R 2 CBR 3 R 4的卤代烷烃加成物的液相方法（其中A，B，R 1，R 2，R 3， 和R 4如说明书中所定义），其包括将相应的卤代烷烃AB与相应的烯烃CR 1 R 2 = CR 3 R 4在二腈或环状 碳酸酯溶剂，其将反应混合物分成两个液相，并且在含有（i）至少一种选自一价和二价铜的催化剂的催化剂体系的存在下， 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。 还公开了从这种化合物与HF的混合物中纯化某些氢氟烃和/或其氯前体的方法。