Process for producing 2,3,5,6-tetrachloropyridine

Details Process for producing 2,3,5,6-tetrachloropyridine Process for producing 2,3,5,6-tetrachloropyridine

C - Chemistry, Metallurgy

07

D

260/295.2

C07D 213/61 (2006.01)

Patent

CA 1310650

ABSTRACT In accordance with the present invention, 2,3,5,6-tetrachloropyridine is advantageously prepared by contacting pentachloropyridine in a solvent selected from alkylnitriles, water, alkylsulfoxides, tetramethylsulfone, C-1 to C-5 alcohols, alkyl carbonates and mixtures thereof, in the presence of an ammonium salt of an organic or inorganic acid with 0.7 to 1.1-g atoms of zinc per mole of pentachloropyridine. 34,349-F

543118

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