Diethyl (ethoxymethylene)malonate → Diethyl [[(6-methyl-2-pyridyl)amino]methylene]malonate

Beteiligte Stoffe

Reaktionsschritte

20 g (92.5 mmol) of 2-ethoxymethylene-malonic acid diethyl ester and 10 g (92.5 mmol) of 2-amino-6-methylpyridine were heated neat at 110° C. for 2 h. The reaction was allowed to cool to room temperature and the product was recrystallized from dichloromethane and hexane to afford 21.8 g of 2-[(6-Methyl-pyridin-2-ylamino)-methylene]-malonic acid diethyl ester as a white solid.

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