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Synthesis of pyrano[3,4-c]chromene skeleton via CuI-mediated domino Knoevenagel hetero-Diels-Alder reaction

A new strategy involving domino Knoevenagel hetero-Diels-Alder reaction is described for the preparation of pyrano[3,4-c]chromenes scaffold. Reaction of O-propargylated salicylaldehyde with benzoylacetonitrile or Meldrum's acid in the presence of CuI and diammonium hydrogen phosphate affords py...

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Hauptverfasser: Mollazadeh, Marjan (VerfasserIn) , Khoshkholgh, Malihe Javan (VerfasserIn) , Balalaie, Saeed (VerfasserIn) , Rominger, Frank (VerfasserIn) , Bijanzadeh, Hamid Reza (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 28 July 2010
In: Journal of heterocyclic chemistry
Year: 2010, Jahrgang: 47, Heft: 5, Pages: 1200-1208
ISSN:1943-5193
DOI:10.1002/jhet.447
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1002/jhet.447
Verlag, lizenzpflichtig, Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/jhet.447
Volltext
Verfasserangaben:Marjan Mollazadeh, Malihe Javan Khoshkholgh, Saeed Balalaie, Frank Rominger, and Hamid Reza Bijanzadeh
Beschreibung
Zusammenfassung:A new strategy involving domino Knoevenagel hetero-Diels-Alder reaction is described for the preparation of pyrano[3,4-c]chromenes scaffold. Reaction of O-propargylated salicylaldehyde with benzoylacetonitrile or Meldrum's acid in the presence of CuI and diammonium hydrogen phosphate affords pyrano[3,4-c]chromenes with good yields and high bond-forming efficiency. J. Heterocyclic Chem., (2010).
Beschreibung:Gesehen am 03.05.2023
Beschreibung:Online Resource
ISSN:1943-5193
DOI:10.1002/jhet.447

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