申请人:E. I. Du Pont de Nemours and Company
公开号:US04357282A1
公开(公告)日:1982-11-02
Fluorinated carbonyl compounds are prepared by contacting a fluorinated methyl or ethyl ether containing at least one methoxylated carbon atom-containing group selected from: --CF.sub.2 OR.sup.3, .dbd.CFOR.sup.3, ##STR1## wherein R.sup.3 is CH.sub.3 or C.sub.2 H.sub.5, with a catalyst selected from: SbX.sub.5, TaX.sub.5, NbX.sub.5, AsX.sub.5, BiX.sub.5, TiX.sub.4, ZrX.sub.4, HfX.sub.4, FeX.sub.3, mixtures of SbX.sub.3 and SbX.sub.5, ZM'X'.sub.6, and mixtures of ZM'X'.sub.6 and M'X.sub.5 where X, independently, is F, Cl, Br or I, X' is F or Cl; and Z is H, NO, O.sub.2, alkali metal or NY.sub.4 where Y, independently, is H or alkyl of 1 to 6 carbon atoms, and M' is Sb or As at a temperature of -20.degree. to 200.degree. C.
氟化羰基化合物是通过将含有至少一个甲氧基化碳原子含基团的氟化甲基或乙基醚与选择自--CF.sub.2 OR.sup.3, .dbd.CFOR.sup.3, ##STR1## 其中R.sup.3为CH.sub.3或C.sub.2 H.sub.5的接触,与选择自SbX.sub.5, TaX.sub.5, NbX.sub.5, AsX.sub.5, BiX.sub.5, TiX.sub.4, ZrX.sub.4, HfX.sub.4, FeX.sub.3, SbX.sub.3和SbX.sub.5的混合物,ZM'X'.sub.6以及ZM'X'.sub.6和M'X.sub.5的混合物的催化剂反应,其中X独立地为F、Cl、Br或I,X'为F或Cl;Z为H、NO、O.sub.2、碱金属或NY.sub.4,其中Y独立地为1至6个碳原子的H或烷基,M'为Sb或As,温度为-20°C至200°C制备的。