Patent · US Expired

Process for preparing fluorinated compound

US5326913A · kind A · utility

6Cited by
5References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 11, 1992
Grant dateJul 5, 1994
Priority date
Expiry dateJun 11, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C17/278
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A fluorinated compound of the formula: EQU R--CCl.sub.2 CF.sub.2 CF.sub.3 (I) in which R is a perfluoroalkyl group, a perchloroalkyl group, a polyfluoroalkyl group, a polychloroalkyl group or a polychloropolyfluoroalkyl group, each having at least one carbon atom is prepared at a high selectivity and a high yield by reacting tetrafluoroethylene with a compound of the formula: EQU R--CFCl.sub.2 (II) in which R is the same as defined above in the presence of a Lewis acid.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.