METHOD OF PRODUCING (3,5-DIMETHYLPYRAZOL-4-YL)METHANE Russian patent published in 2012 - IPC C07D231/12 

FIELD: chemistry.

SUBSTANCE: invention relates to a method of producing bis(3,5-dimethylpyrazol-4-yl)methane. The disclosed method involves reaction of bis(3,5-dimethylpyrazol-4-yl)methane and one of the following inorganic acids: hydrochloric acid, sulphuric acid or orthophosphoric acid to form a salt and thermal treatment at temperature 200-230°C for 5-10 minutes, followed by neutralisation with an alkaline solution to form the end product.

EFFECT: disclosed method accelerates and simplifies the process while reducing the cost of the end product.

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