Tehran University of Medical Sciences

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Synthesis of Novel Tetracyclic Coumarin-Fused Furo-Pyridone Scaffolds Via Sequential N-Arylation and Intramolecular Amidation Reactions Publisher



Adib M1 ; Ghanbarlou M1 ; Soheilizad M2 ; Bahadorikhalili S3 ; Larijani B3 ; Mahdavi M3
Authors
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Authors Affiliations
  1. 1. School of Chemistry, College of Science, University of Tehran, Tehran, Iran
  2. 2. Department of Chemistry, Tarbiat Modares University, P.O. Box 14115�175, Tehran, Iran
  3. 3. Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran

Source: Tetrahedron Letters Published:2021


Abstract

An efficient synthesis of 4H-chromeno[4,3-b]furo[2,3-d]pyridine-1-carboxylates as novel tetracyclic coumarin-fused furo-pyridone scaffolds is described. The protocol involves the three-component reaction of 4-chloro-coumarin-3-carbaldehyde, dimethyl acetylenedicarboxylate and isocyanides, followed by the addition of primary amines to produce the corresponding products in 78–92% yield. © 2021