N. Zanatta, M. Marangoni, Paulo A. Moraes
Apr 14, 2020
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Synthesis
Abstract
Abstract The 1,4-dicarbonyl scaffold ethyl 3-formyl-4,5-dihydrofuran-2-carboxylate was obtained through the rearrangement of the parent ethyl 2-(4,5-dihydrofuran-3-yl)-2-oxoacetate and applied to the synthesis of a series of 7-alkoxy-2,3-dihydrofuro[2,3-d]pyridazines. Twelve pyridazines were obtained in yields of up to 70%.