Patent · US Expired

Method for fluorodecarboxylation

US4996371A · kind A · utility

7Cited by
4References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 16, 1990
Grant dateFeb 26, 1991
Priority date
Expiry dateJan 16, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C43/123
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention is directed to a method for replacing a carboxylic acid group with a fluorine group in a halogenated aliphatic carboxylic acid compound having the formula, R-COOH, to prepare a fluorinated product having the formula, R-F, wherein R is a halogenated aliphatic group including straight- and branched-chain aliphatic groups selected from the group consisting of halogenated aliphatic and alkoxy-substituted halogenated aliphatic groups, wherein the method comprises the steps of (a) reacting the halogenated aliphatic carboxylic acid compound with bromine trifluoride, and (b) recovering the fluorinated product.

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