PROCESS FOR THE PREPARATION OF 4-AMINO-5-FLUORO-3-HALO-6-(SUBSTIT UTED)PICOLINATES

4-Amino-5-fluoro-3-halo-6-(substituted)picolinates are conveniently prepared from 4,5,6-trichloropicolinonitrile by a series of steps involving fluorine exchange, amination, halogen exchange, halogenation, nitrile hydrolysis, esterification, and transition metal assisted coupling. Los 4-amino-5-flúo...

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Hauptverfasser:	GREGORY T. WHITEKER, YUANMING ZHU, KIM E. ARNDT, SCOTT P. WEST, GARY ALAN ROTH, JAMES M. RENGA, DAVID E. PODHOREZ
Format:	Patent
Sprache:	eng ; spa
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY FISHING FORESTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HUNTING METALLURGY ORGANIC CHEMISTRY PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF TRAPPING
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Zusammenfassung:	4-Amino-5-fluoro-3-halo-6-(substituted)picolinates are conveniently prepared from 4,5,6-trichloropicolinonitrile by a series of steps involving fluorine exchange, amination, halogen exchange, halogenation, nitrile hydrolysis, esterification, and transition metal assisted coupling. Los 4-amino-5-flúor-3-halo-6-(substituido) picolinatos son convenientemente preparados desde 4,5,6-tricloropicolinonitrilo mediante una serie de pasos que involucran al intercambio de flúor, la aminación, el intercambio de halógeno, la halogenación, la hidrólisis de nitrilo, la esterificación, y el acoplamiento de un metal de transición asistido.