Procedure for the preparation of 2- (N-3,4-dimethylpyrazole) succinic acid

摘要

Procedure for the preparation of 2- (N-3,4-dimethylpyrazole) succinic acid by reacting 3,4-dimethylpyrazole with maleic acid and / or maleic anhydride in the absence of organic solvents or diluents and the subsequent crystallization of the reaction product thus obtained in the absence of organic solvents or diluents.