PROCESS FOR THE SYNTHESIS OF 2,6-DICHLORO-5-FLUORONICOTINIC ACID AND 2,6-DICHLORO-5-FLUORONICOTINOYL CHLORIDE

An improved process for the preparation of 2,6-dichloro-5- -fluoronicotinoyl chloride is described where a 2,6-dihydroxy- -5-fluoronicotinic acid ester is converted in one step using phosphorus oxychloride and a lithium reagent to 2,6-dichloro- -5-fluoronicotinoyl chloride and subsequent basic hydro...

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Bibliographische Detailangaben

1. Verfasser:	JENNINGS REX ALLEN
Format:	Patent
Sprache:	eng ; slo
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY
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