Patent · US Expired

Method for converting carboxylic acid groups to trichloromethyl groups

US4419514A · kind A · utility

4Cited by
9References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 18, 1981
Grant dateDec 6, 1983
Priority date
Expiry dateMay 18, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D213/61
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Method for converting carboxylic acid groups to trichloromethyl groups which comprises contacting a compound containing a carboxylic acid group with a phenylphosphonic dichloride and phosphorus pentachloride and recovering the thus produced product.

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