Synthesis of Novel Spiro and Fused Cyclopenta[c]-pyrazole and -pyrimidine Derivatives

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Hassan A. Albar, Mohammed S. I. Makki and Hassan M. Faidallah


Abstract

Condensation of diarylmethylidenecyclopentanes with hydrazine, hydroxylamine and thiourea derivatives afford the corresponding fused pyrazoles, oxazoles and pyrimidines.


References

  1. G. Bianchi, R. Gandolfi and C. DeMicheli, J. Chem. Res., 1981, (S) 6; (M) 0135 Search PubMed.
  2. S. T. Ezmirly, A. S. Shawali and A. M. Bukari, Tetrahedron, 1988, 44, 1743 CrossRef CAS.
  3. A. S. Shawali, B. E. Elanadouli and H. A. Albar, Tetrahedron, 1985, 41, 1877 CrossRef CAS.
  4. H. A. Albar, J. Chem. Res., 1996, (S) 316; (M) 1756 Search PubMed.
  5. N. G. Argypoulos and E. C. Argyropoulou, J. Heterocycl. Chem., 1984, 21, 1397.
  6. E. C. Argyropoulou, N. G. Argypoulos and E. Thessalonikeos, J. Chem. Res., 1990, (S) 202; (M) 1557 Search PubMed.
  7. A. S. Shawali, A. M. Farag, M. S. Algharib and H. A. Albar, J. Chem. Res. (S), 1993, 80 Search PubMed.
  8. Narasaka Koichi, Jpn. Kokai Tokkyo Appt., 91/331,066, 1991(Chem. Abstr., 1993, 119, 270683m) Search PubMed.
  9. A. R. Katritzky, Adv. Heterocycl. Chem., 1963, 2, 370.
  10. J. Willems and A. Vandenberghe, C. R. Congr. Int. Chim. Ind., 1958, 31, 476 (Chem. Abstr., 1960, 54, 22657) Search PubMed.
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