Synthesis of carbonyl compounds based on the products of addition of polyhaloalkanes to unsaturated systems. Reactions of 1-aryl-5,5-dichloropenta-2,4-dien-l-ones with ethyl acetoacetate

Article abstract of DOI:10.1007/BF02495404

The reactions of l-aryl-5,5-dichloropenta-2,4-dien-l-ones with ethyl acetoacetate in the presence of EtONa give ethyl 4-aryl-6-(2,2-dichlorovinyl)-4-hydroxy-2-oxocyclohexane-carboxylates. The structures of the reaction products were confirmed by ¹