Formic Acid → 6-Chloro-7-methyl-[1,2,4]triazolo[4,3-b]pyridazine

참여 물질

반응 단계

13.4 Grams (0.0845 mole) of 3-chloro-4-methyl-6-hydrazinopyridazine are dissolved in 100 milliliters of aqueous 88 percent formic acid. The mixture is heated at the boiling temperature under reflux for 2 hours. The mixture is evaporated under reduced pressure and the 7-methyl-6-chloro-s-triazolo[4,3-b]pyridazine intermediate product is obtained as a residue. The residue is triturated with diethyl ether, and found to melt at a temperature of 157.5°-158° C.

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