METHOD OF PRODUCING HYDRAZONES OF NITRO-TETRAZOLE-5-CARBALDEHYDE Russian patent published in 2014 - IPC C07D257/04 

FIELD: chemistry.

SUBSTANCE: described is a method of producing compounds of general formula, or , where R=C₆H₅ (Ia, IIa), 4-CH₃C₆H₄ (Ib, IIb), C₆H₅CH₂ (Ic, IIc), 4-CH₃OC₆H₄ (Id, IId), 4-ClC₆H₄ (Ie, IIe), 4-NO₂C₆H₄ (If, IIf), CH₃ (Ig, IIg), by mixing corresponding isomeric 3-methyl-5-trinitromethyltetrazoles with an equimolar amount of hydrazine of formula (R)₂NNH₂, where R has values given above, in dry ethoxyethane at 0°C and then holding the reaction mixture at 25°C for 2 hours.

EFFECT: high efficiency of the method.

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