Interaction of 3-Chloro-2-halopropenyl Ketones with β-Aminocrotonic Acid Ethyl Ester

摘要: The reaction of 3-chloro-2-halo-1-propenyl ketones with β-aminocrotonic acid ethyl ester leads to the formation esters 6-alkyl(aryl, benzyl, cyclohexyl)-4-chloromethyl-2-methylnicotinic acids. It was established that at increased temperatures compounds obtained are partially converted into corresponding dihydrofuro[3,4-c]pyridines.