PREPARATION OF FLUOROCARBON ETHERS HAVING SUBSTITUTED HALOGEN SITE(S)

Perhalofluoroether compds. of formula (I) are prepd. by reacting compds. of formula (II) and compds. of formula (III) in the presence of F+-producing compds. In the formulas, a and b are 0, 1, or integers greater than 1, C is 0 or 1, and a+b+c≠0. n is 0, 1 or integers greater than 1. R'f and R&...

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Hauptverfasser: EZZELL BOBBY R, MOD WILLIAM A, CARL WILLIAM P
Format: Patent
Sprache:eng ; kor
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Zusammenfassung:Perhalofluoroether compds. of formula (I) are prepd. by reacting compds. of formula (II) and compds. of formula (III) in the presence of F+-producing compds. In the formulas, a and b are 0, 1, or integers greater than 1, C is 0 or 1, and a+b+c≠0. n is 0, 1 or integers greater than 1. R'f and R'f are F, Cl, perfluoroalkyl or fluorochloroalkyl. X is Cl or Br, Y is acid gp. or acid deriv. easily convertible to acid gp.