PREPARATION OF 2,3,5-TRICHLOROPYRIDINE
A process for the preparation of 2,3,5-trichloropyridine which consists in reacting, at a ph of 11 or higher and at a temperature of about 20º to about 100º c, a pyridine reagent selected between 2,3,5, 6-tetrachloropyridine and pentachloropyridine with 1 to 3 gram-atoms of zinc per gram-atom of chl...
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| Zusammenfassung: | A process for the preparation of 2,3,5-trichloropyridine which consists in reacting, at a ph of 11 or higher and at a temperature of about 20º to about 100º c, a pyridine reagent selected between 2,3,5, 6-tetrachloropyridine and pentachloropyridine with 1 to 3 gram-atoms of zinc per gram-atom of chlorine to be separated, in the presence of an alkaline reagent and of a non-miscible reaction medium with water. (Machine-translation by Google Translate, not legally binding) |
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