FREMGANGSMAADE TIL FREMSTILLING AF 3-CHLOR-2,4,5-TRIFLOURBENZOESYRE

• Main Authors: KARRICK, GREGORY LEE, SPENCE, FLOYD GREGORY, WEMPLE, JAMES NORTON
• Format: Patent
• Language: Danish
• Published: 29.04.1990
• Edition: 5
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY

An improved process for the preparation of 3-chloro-2,4,5-trifluorobenzoic acid is described which involves reaction of a diester of 3,4,5,6-tetrafluoro-1,2-benzenedicarboxylic acid with a substituted amine to afford 3-amino-2,4,5-trifluorobenzoic acid followed by subsequent conversion of the amino...