PROCESS FOR THE PRODUCTION OF 4-AMINO-5-METHYL-(1H)-PYRIDIN-2-ONE AND DERIVATIVES

Abstract

An improved process for the production of 4-amino-5-methyl-(1H)-pyridin-2-one and derivatives. In the process, 4-hydroxy-5-methyl-(1H)-pyridin-2-one is reacted under pressure with an ammonium salt without adding aqueous ammonia or feeding in gaseous ammonia to provide the target compounds in high yield and high purity. The reaction mixture is not or much less corrosive to enamel coatings of a reaction container surface, since gaseous ammonia as reagent is not used.

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