Process for oxidizing halopyridines to halopyridines- n-oxides

Details Process for oxidizing halopyridines to halopyridines- n-oxides Process for oxidizing halopyridines to halopyridines- n-oxides

C - Chemistry, Metallurgy

07

D

260/290.3

C07D 213/89 (2006.01)

Patent

CA 1183851

PROCESS FOR OXIDIZING HALOPYRIDINES TO HALOPYRIDINE-N-OXIDES Abstract of the Disclosure Described is a process for oxidizing 2-chloropyridine or 2-bromopyridine to the corresponding N-oxide with peracetic acid generated in situ from H2O2 and acetic acid in the presence of a catalyst selected from the group consisting of sulfuric acid, alkali metal bisulfates, ammonium bisulfate, and mixtures thereof.

422408

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