Facile oxidation of flavanones to flavones using [hydroxy(tosyloxy)iodo] benzene in an ionic liquid

Mendeleev Communications

Volumn 15, Issue 3, 2005, Pages 100-101

  Muthukrishnan, Murugan ^a   Patil, Pratap S ^a   More, Shivaji V ^a   Joshi, Ramesh A ^a  

^a NATIONAL CHEMICAL LABORATORY   (India)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 19944385941     PISSN: 09599436     EISSN: 1364551X     Source Type: Journal    
DOI: 10.1070/MC2005v015n03ABEH001997     Document Type: Article

References (25)

1. T. Fischer, A. Sethi, T. Welton and J. Woolf, Tetrahedron Lett., 1999, 40, 793.
2. V. L. Boulaire and R. Gree, Chem. Commun., 2000, 2195.
3. C. W. Lee, Tetrahedron Lett., 1999, 40, 2461.
4. D. E. Kaufmann, M. Nouroozian and H. Henze, Synlett., 1996, 1091.
5. C. J. Mathews, P. J. Smith and T. Welton, Chem. Commun., 2000, 1249.
6. R. M. Lau, R. Van Rantwijk, K. R. Seddon and R. A. Sheldon, Org. Lett., 2001, 2, 4189.
7. (a) T. Welton, Chem. Rev., 1999, 99, 2071;
8. (b) M. J. Earle and K. R. Seddon, Pure Appl. Chem., 2000, 72, 1391;
9. (c) P. Wasserscheid and W. Keim, Angew. Chem., Int. Ed. Engl., 2000, 39, 3773;
10. (d) R. Sheldon, Chem. Commun., 2001, 2399.
11. R. Brouillard and O. Dangles, in The Flavonoids: Advances in Research Since 1986, ed. J. B. Harborne, Chapman and Hall, London, 1993, p. 565.
12. A. F. Welton, L. D. Tobias, C. Fiedler-Nagy, W. Andersen, W. Hope, K. Meyers and J. W. Coffey, in Plant Flavonoids in Biology and Medicine, eds. V. Cody, E. Middleton Jr. and J. B. Harborne, Alan R. Liss, New York, 1986, p. 231.
13. N. D. Meyer, A. Haemers, L. Mishra, H. K. Pandey, I. A. C. Pieters, D. A. V. Berghe and A. J. Vlietinck, J. Med. Chem., 1991, 34, 736.
14. J. A. Beutler, J. H. Cardellina, C. Y. Lin, E. Hamel, J. M. Cragg and M. R. Boyd, Bioorg. Med. Chem. Lett., 1993, 3, 581.
15. (a) D. Nagarathnam and M. Cushman, J. Org. Chem., 1991, 56, 4884;
16. (b) G. Litkei, K. Gulacsi, S. Antus and G. Blasko, Liebigs Ann. Chem., 1995, 1, 1711 and references cited therein.
17. (a) O. Prakash, S. Pahuja and R. M. Moriarty, Synth. Commun., 1990, 20, 1417;
18. (b) O. Prakash and M. P. Tanwar, J. Chem. Res. (S), 1995, 1429.
19. (a) I. A. Ansari and R. Gree, Org. Lett., 2002, 4, 1507;
20. (b) Z. Liu, Z. C. Chen and Q. G. Zheng, Org. Lett., 2003, 5, 3321;
21. (c) H. Xie, S. Zhang and H. Duan, Tetrahedron Lett., 2004, 45, 2013.
22. R. R. Deshmukh, R. Rajagopal and K. V. Srinivasan, Chem. Commun., 2001, 1544.
23. (a) V. T. Ramakrishnan and J. Kagan, J. Org. Chem., 1970, 35, 2901;
24. (b) M. Muthukrishnan, Ph.D Thesis, 2002, Gandhigram deemed University, Gandhigram, India.
25. K. A. Thakar and C. H. Gill, J. Ind. Chem. Soc., 1983, 60, 668.