Process for the preparation of 4, 6- dihydroxypyrimidine

Abstract

The invention relates to a process for the preparation of 4,6-dihydroxypyrimidine by reacting malonate with formamide and an alkali metal alkoxide at elevated temperature. In this process, the malonate alone or simultaneously with all or some of the formamide is added in portions or continuously to the alkali metal alkoxide initially introduced as a solution or suspension in an alcohol alone or together with all, or the remainder, of the formamide.

Dependencies are inferred from the claim text.