J. Iran. Chem. Soc., Vol. 2, No. 2 June 2005, pp.115~123.
Current location: JICS Archive > Vol. 2 > No. 2 > Articles : 1
Pyrazoles as Building Blocks in Heterocyclic Synthesis: Synthesis of Pyrazolo [3,4-d]pyrimidine, Pyrazolo [3,4-e][1,4]diazepine, Pyrazolo [3,4-d][1,2,3]triazine and Pyrolo [4,3-e][1,2,4]triazolo[1,5-c]pyrimidine Derivatives
A.-F.A. Harb*, H.H. Abbas and F.H. Mostafa
Chemistry Department, Faculty of Science (Qena), South Valley University,Qena, 83523, Egypt.
Several new pyrazolo [3,4-d] pyrimidine, pyrazolo [3,4-e][1,4] diazepine, pyrazolo [3,4-d][1,2,3] triazine and pyrolo [4,3-e][1,2,4] triazolo [1,5-c] pyrimidine derivatives were prepared by the reaction of the corresponding 5-amino-pyrazole-4-carbonitrile derivative with different organic reagents under different reaction conditions. Using IR, 1H NMR, and mass spectra we have characterized all new compounds.
Keywords: Pyrazolo 3,4-d] pyrimidine, Pyrazolo [3,4-e][1,4] diazepine, Pyrazolo [3,4-d][1,2,3] -triazine, Pyrolo [4,3-e][1,2,4] diazole [1,5-a] pyrimidine, IR, 1H NMR
