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Reaction of Dimethyl Sulfoxide-Acetic Anhydride with 4-Hydroxy-coumarin and Its Derivatives Under Microwave Conditions
Corresponding Author(s) : Saima Qadir
Asian Journal of Chemistry,
Vol. 25 No. 6 (2013): Vol 25 Issue 6
Abstract
4-Hydroxycoumarin and various biscoumarins synthesized under microwave conditions were treated with the DMSO-Ac2O reagent under the same conditions to yield different products. A comparative account of the reactions with conventional procedure, as reported in literature, has been drawn and improved yields have been obtained in minimum time under microwave conditions for the first time.
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- N. Kornblum, W.J. Jones and G.J. Anderson, J. Am. Chem. Soc., 81, 4113 (1959).
- E.J. Corey and C.U. Kim, Tetrahedron Lett., 14, 919 (1973).
- E.J. Corey and M. Chaykovsky, J. Am. Chem. Soc., 84, 866 (1962).
- Technical Bulletin-Reaction Solvent Dimethyl Sulfoxide (DMSO), Gaylord Chemical Corporation P.O. Box 1209 Slidell, LA 70459-1209 (985) 649-5464, 1-110 and references cited therein.
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- a) K.Z. Khan, N. Minhaj, K. Tasneem, A. Zaman, D. Shiengthong, F.M. Dean and M. Varma, J. Chem. Soc., Perkin Trans. I, 841 (1983); b) G. Appendino, S. Tagliapietra, G.M. Nano and G. Palmisano, J. Chem. Soc., Perkin Trans. I, 2305 (1989).
- S. Qadir, A.A. Dar and K.Z. Khan, Synth. Commun., 38, 3490 (2008).
- D.R. Baghurst and D.M.P. Mingos, J. Chem. Soc., Chem. Commun., 674 (1992).
- A. Hoz, A.D. Ortiz and A. Moreno, Chem. Soc. Rev., 34, 164 (2005).
- N. Kuhnert, Angew. Chem. Int. Ed., 41, 1863 (2002).
References
N. Kornblum, W.J. Jones and G.J. Anderson, J. Am. Chem. Soc., 81, 4113 (1959).
E.J. Corey and C.U. Kim, Tetrahedron Lett., 14, 919 (1973).
E.J. Corey and M. Chaykovsky, J. Am. Chem. Soc., 84, 866 (1962).
Technical Bulletin-Reaction Solvent Dimethyl Sulfoxide (DMSO), Gaylord Chemical Corporation P.O. Box 1209 Slidell, LA 70459-1209 (985) 649-5464, 1-110 and references cited therein.
Y. Hayashi and R. Oda, J. Org. Chem., 32, 457 (1967).
a) K.Z. Khan, N. Minhaj, K. Tasneem, A. Zaman, D. Shiengthong, F.M. Dean and M. Varma, J. Chem. Soc., Perkin Trans. I, 841 (1983); b) G. Appendino, S. Tagliapietra, G.M. Nano and G. Palmisano, J. Chem. Soc., Perkin Trans. I, 2305 (1989).
S. Qadir, A.A. Dar and K.Z. Khan, Synth. Commun., 38, 3490 (2008).
D.R. Baghurst and D.M.P. Mingos, J. Chem. Soc., Chem. Commun., 674 (1992).
A. Hoz, A.D. Ortiz and A. Moreno, Chem. Soc. Rev., 34, 164 (2005).
N. Kuhnert, Angew. Chem. Int. Ed., 41, 1863 (2002).