Publication Cover
Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 38, 2008 - Issue 20
435
Views
18
CrossRef citations to date
0
Altmetric
Original Articles

Ionic Liquid–Mediated Synthesis of Coumarin-3-carboxylic Acids via Knoevenagel Condensation of Meldrum's Acid with ortho-Hydroxyaryl Aldehydes

, , , &
Pages 3508-3513 | Received 12 Feb 2008, Published online: 30 Sep 2008

REFERENCES

  • Murray , R. D. H. ; Mendez , J. ; Brown , S. A. The Natural Coumarins: Occurance, Chemistry and Biochemistry ; John Wiley & Sons : New York , 1982 .
  • Meuly , W. C. Kirk-Othmer Encyclopedia of Chemical Technology; , 3rd ed. ; John Wiley & Sons : New York , 1979 ; vol. 7 , pp. 196 – 906 .
  • Chizhov , D. L. ; Sosnovskikh , V. Y. ; Pryadeina , M. V. ; Burgart , Y. V. ; Saloutin , V. I. ; Charushin , V. N. The first synthesis of 4-unsubstituted 3-(trifluoroacetyl)coumarins by the Knoevenagel condensation of salicylaldehydes with ethyl trifluoroacetoacetate followed by chromene-coumarin recyclization . Synlett 2008 , 281 – 285 , and references cited therein .
  • Armstrong , V. ; Soto , O. ; Valderrama , J. A. ; Tapia , R. Synthesis of 3-carboxycoumarins from o-methoxybenzylidene Meldrum's acid derivatives . Synth. Commun. 1988 , 18 ( 7 ), 717 – 725 .
  • Rouessac , F. ; Leclerc , A. An efficient preparation of coumarins . Synth. Commun. 1993 , 23 ( 19 ), 2709 – 2715 .
  • Bandgar , B. P. ; Uppalla , L. S. ; Kurule , D. S. Solvent-free one-pot rapid synthesis of 3-carboxycoumarins . Green Chem. 1999 , 243 .
  • Scott , J. L. ; Raston , C. L. Solvent-free synthesis of 3-carboxycoumarins . Green Chem. 2000 , 2 , 245 – 247 .
  • Song , A. ; Wang , X. ; Lam , K. S. A convenient synthesis of coumarin-3-carboxylic acids via knoevenagel condensation of meldrum's acid with ortho-hydroxyaryl aldehydes or ketones . Tetrahedron Lett. 2003 , 44 , 1755 – 1758 .
  • Deshmukh , M. N. ; Burud , R. ; Baldino , C. ; Chan , P. C. M. ; Liu , J. A practical environmentally friendly preparation of 3-carboxycoumarins . Synth. Commun. 2003 , 33 ( 19 ), 3299 – 3303 .
  • Maggi , R. ; Bigi , F. ; Carloni , S. ; Mazzacani , A. ; Sartori , G. Unanalyzed reactions in water, part 2: Preparation of 3-carboxycoumarins . Green Chem. 2001 , 3 , 173 – 174 .
  • Watson , B. T. ; Christiansen , G. E. Solid phase synthesis of substituted coumarin-3-carboxylic acids via the Knoevenagel condensation . Tetrahedron Lett. 1998 , 39 , 6087 – 6090 .
  • Darvatkar , N. B. ; Deorukhkar , A. R. ; Bhilare , S. V. ; Salunkhe , M. M. Ionic liquid–mediated Knoevenagel condensation of Meldrum's acid and aldehydes . Synth. Commun. 2006 , 36 , 3043 – 3057 .

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.