METHOD OF PREPARING VALPROIC ACID COMPOUNDS

摘要

The invention relates to a method for producing compounds which contain at least one molecule valproinic acid salt and at least one molecule valproinic acid. The valproinic acid salt represents alkali or alkaline earth salt. Valproinic acid is directly converted with the calculated amount of the corresponding alkali carbonate or earth alkaline carbonate and/or the calculated amount of the corresponding alkali bicarbonate or earth alkaline bicarbonate without adding a solvent and at a temperature that is higher tha n the melting temperature of valproinic acid.