Substituted pyridines and process for making them

Details Substituted pyridines and process for making them Substituted pyridines and process for making them

1978-12-26

1980-09-02

Jiles, Henry R.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D21348

Patent

active

042207843

ABSTRACT:
A .beta.,.beta.,.beta.-trihalo-.alpha.-hydroxyethyl (e.g. --CHOH--CCl.sub.3) group is introduced into a 2,6-dihydroxy pyridine. The 3-formyl-4-methyl-2,6-dihydroxy pyridine produced by splitting off haloform from the trihalohydroxyethyl product, is a desirable intermediate for the making of dyes and other products, and the alkali metal or alkaline earth metal salts of the formyl compound are more stable forms of this intermediate.

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