Ethanol → 2,6-diethyl-N-[(1-methyl-2-thiono-1,3,4-triazol-5-yl)-methyl]-aniline

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Reaction Steps

29.6 g (0.1 mol) of 1-methyl-4-[(2,6-diethylanilino)-acetyl]-thiosemicarbazide were suspended in 150 ml of ethanol and, after adding 7 g of potassium hydroxide in 20 ml of water, the mixture was heated under reflux for 1 hour. Thereafter, most of the solvent was distilled off and 250 ml of water were added to the residue. After acidifying the mixture to pH 5 with glacial acetic acid, the precipitate formed was filtered off and washed thoroughly with water. After drying, 27 g (97% of theory) of 2,6-diethyl-N-[(1-methyl-2-thiono-1,3,4-triazol-5-yl)methyl]-aniline of melting point 117° to 121° C. were obtained. ##STR88##

Provenance & Evidence