Cyclization reactions of 5-aminopyrazoles with β-ketoesters, enamines and β-keto anilides: New synthetic routes to pyrazolo[1,5-a]pyrimidine derivatives

Journal of the Chinese Chemical Society

Volumn 49, Issue 6, 2002, Pages 1051-1055

  El Taweel, F M A ^a   Abu Elmaati, T M ^a  

^a MANSOURA UNIVERSITY   (Egypt)

Author keywords

2,5 Diaminopyrazoles; Pyrazolo 1,5 a pyrimidines

Indexed keywords

EID: 33644969004     PISSN: 00094536     EISSN: None     Source Type: Journal    
DOI: 10.1002/jccs.200200151     Document Type: Article

References (12)

1. Elagamey, A. A.; El-Taweel, F. M. A. J. Prakt. Chem. 1991, 333, 333 and references cited therein.
2. Abdel-Latif, F. M.; Barsy, M. A.; Elbadry, E. A.; Hassan, M. J. Chem. Res.(S) 1999, 696, M (2954) and references cited therein.
3. Singa, K.; Novinson, T.; Springer, R. H.; Rao, R. P.; O'brian, D. E.; Robins, R. K.; Wilson, H. R. J. Med. Chem. 1975, 18, 312.
4. Wellinga, K.; Grosscurt, A. C.; Vanhes, R. J. Agric. Food. Chem. 1977, 25, 987.
5. Grosscurt, A. C.; Vanhes, R.; Wellinga, K. J. Agric. Food. Chem. 1979, 27, 406.
6. Ammar, Y. A.; El-Sharief, A. M.; Zahran, M. A.; El-Said, M. Z.; Said, V. H. J. Chem. Res. 1995, (S) 324.
7. Kuklander, U. Enaminones as Synthones, in The Chemistry of Enamines; Rappoport, Z., Ed.; Wiley: New York, London, Sydney, Toronto, 1994; pp 523-636.
8. Al-Omran, F. J. Heterocycl. Chem. 2000, 37, 1214.
9. Kepe, V.; Kocevarand, M.; Polanc, S. J. Heterocycl. Chem. 1996, 33, 1707.
10. Fossa, P.; Boggia, R.; Lopresti, E.; Mosti, L.; Dorigo, P.; Flreani, M. Farmaco 1997, 52, 523.
11. Dawood, K. M.; Farag, A. M.; Kandeel, Z. E. J. Chem. Res. 1999 (S) 88, (M) 0573.
12. Nagahara, K.; Kawano, H.; Sasaoka, S.; Ukawa, C.; Hirama, T.; Takada, A.; Cottam, H. B.; Robins, R. K. J. Heterocycl. Chem. 1994, 31, 239.