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: | , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
28 July 2010
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| 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 
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| Verfasserangaben: | Marjan Mollazadeh, Malihe Javan Khoshkholgh, Saeed Balalaie, Frank Rominger, and Hamid Reza Bijanzadeh |
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| 520 | |a 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). | ||
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