D. I. Antonov, M. Dmitriev, A. N. Maslivets
Aug 1, 2021
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Journal
Russian Journal of Organic Chemistry
Abstract
4,5-Dibenzoyl-1H-pyrrole-2,3-diones react with methyl 5-aminofuran-2-carboxylate to form methyl 4-benzoyl-5-(aminooxalyl)-6-phenylfuro[2,3-b]pyridine-2-carboxylates. 4,5-Diacyl-1H-pyrrole-2,3-diones react with N-unsubstituted five-membered cyclic enamines by a scheme different that characteristic of reactions with N-unsubstituted six-membered cyclic enamines. The studied reaction is a convenient preparative method for the synthesis of the furo[2,3-b]pyridines.