NbCl5-catalyzed rapid and efficient synthesis of 3,4-dihydropyrimidinones under ambient conditions

Chemistry Letters

Volumn 33, Issue 7, 2004, Pages 926-927

  Yadav, J S ^a   Reddy, B V S ^a   Naidu, Jaishri J ^a   Sadashiv, K ^a  

^a INDIAN INSTITUTE OF CHEMICAL TECHNOLOGY   (India)

Author keywords

[No Author keywords available]

Indexed keywords

ALDEHYDE DERIVATIVE; AROMATIC CARBOXYLIC ACID; HETEROCYCLIC COMPOUND; NIOBIUM; PYRIMIDINONE DERIVATIVE; THIOUREA; UREA;

ARTICLE; CATALYSIS; CHEMICAL REACTION; ENVIRONMENTAL TEMPERATURE; MOLECULAR INTERACTION; POLYMERIZATION; QUANTITATIVE ANALYSIS; ROOM TEMPERATURE; SYNTHESIS;

EID: 4644373986     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.2004.926     Document Type: Article

References (32)

1. a) K. S. Atwal, B. N. Swanson, S. E. Unger, D. M. Floyd, S. Moreland, A. Hedberg, and B. C. O'Reilly, J. Med. Chem., 34, 806 (1991).
2. b) C. O. Kappe and W. M. F. Fabian, Tetrahedron, 53, 2803 (1997).
3. c) K. S. Atwal, G. C. Roonyak, B. C. O'Reilly, and J. Schwartz, J. Org. Chem., 54, 5898 (1989).
4. a) C. O. Kappe, Tetrahedron, 49, 6937 (1993).
5. b) K. Singh, J. Singh, P. K Deb, and H. Singh, Tetrahedron, 55, 12873 (1999).
6. c) N.-Y. Fu, Y.-F. Yuan, Z. Cao, S.-W. Wang, J.-T. Wang, and C. Peppe, Tetrahedron, 58, 4801 (2002).
7. a) A. D. Patil, N. V. Kumar, W. C. Kokke, M. F. Bean, A. J. Freyer, C. De Brosse, S. Mai, A. Truneh, B. Carte, and D. J. Faulkner, J. Org. Chem., 60, 1182 (1995).
8. b) B. B. Snider, J. Chen, A. D. Patil, and A. Freyer, Tetrahedron Lett., 37, 6977 (1996).
9. P. Biginelli, Gazz. Chim. Ital., 23, 360 (1893).
10. a) K. Folkers and T. B. Johnson, J. Am. Chem. Soc., 55, 3361 (1933).
11. b) K. Folkers and T. B. Johnson, J. Am. Chem. Soc., 56, 1180 (1934).
12. c) K. Folkers, H. J. Harwood, and T. B. Johnson, J. Am. Chem. Soc., 54, 3751 (1932).
13. d) P. Wipf and A. Cunningham, Tetrahedron Lett., 36, 7819 (1995).
14. a) B. C. O'Reilly and K. S. Atwal, Heterocycles, 26, 1185 (1987).
15. b) K. S. Atwal, B. C. O'Reilly, J. Z. Gougoutas, and M. F. Malley, Heterocycles, 26, 1189 (1987).
16. c) A. D. Shutalev, E. A. Kishko, N. Sivova, and A. Y. Kuznetsov, Molecules, 3, 100 (1998).
17. a) E. H. Hu, D. R. Sidler, and U.-H. Dolling, J. Org. Chem., 63, 3454 (1998).
18. b) C. O. Kappe and S. F. Falsone, Synlett, 1998, 718.
19. c) B. C. Ranu, A. Hajra, and U. Jana, J. Org. Chem., 65, 6270 (2000).
20. d) Y. Ma, C. Qian, L. Wang, and M. Yang, J. Org. Chem., 65, 3864 (2000).
21. e) J. Lu and H. Ma, Synlett, 2000, 63.
22. f) F. Bigi, S. Carloni, B. Frullanti, R. Maggi, and G. Sartori, Tetrahedron Lett., 40, 3465 (1999).
23. a) Ch. V. Reddy, M. Mahesh, P. V. K. Raju, T. R. Babu, and V. V. N. Reddy, Tetrahedron Lett., 43, 2657 (2002).
24. b) A. S. Paraskar, G. K. Dewkar, and A. Sudalai, Tetrahedron Lett., 44, 3305 (2003).
25. c) A. Shaabani, A. Bazgir, and F. Teimouri, Tetrahedron Lett., 44, 857 (2003).
26. a) S. Kobayashi, T. Busujima, and S. Nagayama, Chem. - Eur. J., 6, 770 (2000).
27. b) C. K. Z. Andrade, N. R. Azevedo, and G. R. Oliveira, Synthesis, 2002, 928.
28. a) C. K. Z. Andrade and N. R. Azevedo, Tetrahedron Lett., 42, 6473 (2001).
29. b) C. K. Z. Andrade and R. A. F. Matos, Synlett, 2003, 1189.
30. R. Varala, M. M. Alam, and S. R. Adapa, Synlett, 2003, 67;
31. M. Gohain, D. Prajapati, and J. S. Sandhu, Synlett, 2004, 235.
32. +). 188, 154, 144, 115, 77, 43.