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One-Pot Synthesis of Densely Substituted 1,2,3,4-Tetrahydro-1,6-naphthyridine Mediated by Isocyanide-Assisted Reduction of C�C Double Bond

Das, P and Ray, SL and Saha, R and Mukhopadhyay, C (2020) One-Pot Synthesis of Densely Substituted 1,2,3,4-Tetrahydro-1,6-naphthyridine Mediated by Isocyanide-Assisted Reduction of C�C Double Bond. In: ChemistrySelect, 5 (12). pp. 3581-3585.

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Official URL: https://dx.doi.org/10.1002/slct.202000441

Abstract

Molecular architectures possessing the combination of heteroaromatic and saturated N-heterocycles are of great importance because of their higher solubility in the gastrointestinal tract due to weak crystal packing in the three-dimensional structure. Other biological activity like selectivity is also increased in a positive way. However, compared to fully aromatic fused heterocycles, synthesis of partially saturated fused heterocycles is much more difficult since the later needs greater control over the reaction conditions. In this context, 1,2,3,4-tetrahydronaphthyridines (THNADs) are essential part of pharmaceutically important natural products and drug molecules. However, the synthesis of THNAD is seldom reported in literature. To the best of our knowledge, this is the first report of metal-free one pot synthesis of 1,2,3,4-tetrahydro-1,6-naphthyridines without starting from any nitrogen heterocycles in water. Moreover, this study discloses the involvement of isocyanide in a chemical reaction whose net effect is only to reduce a C=C bond which is unusual in isocyanide literature. © 2020 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

Item Type: Journal Article
Publication: ChemistrySelect
Publisher: WILEY-V C H VERLAG GMBH
Additional Information: Copyright of this article belongs to Wiley-Blackwell
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 15 Sep 2020 06:09
Last Modified: 15 Sep 2020 06:09
URI: http://eprints.iisc.ac.in/id/eprint/65115

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