Patent · US Expired

Method for the preparation of fluoroanthranilic acids

US4521616A · kind A · utility

4Cited by
6References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 1980
Grant dateJun 4, 1985
Priority date
Expiry dateDec 29, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C229/56
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for the preparation of fluoroanthranilic acid compounds comprises PA1 (A) reacting ammonium fluorophthalamate or a fluorophthalamic acid of the formula ##STR1## where n is 1 or 2, with an alkali or alkaline earth metal hypochlorite to form the corresponding fluoroanthranilic acid of the formula ##STR2## where n is as previously defined.

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