Niobium Pentachloride Catalyzed Multicomponent Povarov Reaction

Abstract A single-step method for the synthesis of furan- and pyranoquinoline derivatives through multicomponent Povarov reactions between aniline derivatives, benzaldehyde and two different enol ethers (2,3-dihydrofuran and 3,4-dihydropyran) using niobium pentachloride as catalyst under mild condit...

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Bibliographic Details
Published in:Synlett 2012-08, Vol.23 (13), p.1973-1977
Main Authors: da Silva, Bruno Henrique Sacoman Torquato, Martins, Lucas Michelão, da Silva-Filho, Luiz Carlos
Format: Article
Language:English
Subjects:
Catalysis
Catalysts: preparations and properties
Chemistry
Exact sciences and technology
General and physical chemistry
Heterocyclic compounds
Heterocyclic compounds with n hetero atom and also o and/or s, se, te hetero atoms
Heterocyclic compounds with o, s, se, te hetero atom and condensed derivatives
letter
Noncondensed benzenic compounds
Organic chemistry
Preparations and properties
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
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Summary:Abstract A single-step method for the synthesis of furan- and pyranoquinoline derivatives through multicomponent Povarov reactions between aniline derivatives, benzaldehyde and two different enol ethers (2,3-dihydrofuran and 3,4-dihydropyran) using niobium pentachloride as catalyst under mild conditions, providing good yields and high diastereoselectivity, is described.
ISSN:0936-5214
1437-2096
DOI:10.1055/s-0032-1316587