Hydrochloric Acid → 3,4-Dimethyl-2(3H)-thiazolone hydrazone hydrochloride

Beteiligte Stoffe

Reaktionsschritte

3.5 g (19 mmol) of 3,4-dimethyl-2(3H)-thiazolone-(1-methylethylidene)hydrazone from step A in 60 mL of 6M hydrochloric acid was heated at 50° C. for 30 minutes. The reaction mixture was then concentrated, and the crude product was recrystallized from ethanol. This gave 2 g (60% of the theoretical) of a pink powder.

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