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Abdelhamid, A. O., "Convenient synthesis of some new pyrazolo[1,5-a]pyrimidine, pyridine, thieno[2,3-b]pyridine, and isoxazolo[3,4-d]pyridazine derivatives containing benzofuran moiety", Journal of Heterocyclic Chemistry, vol. 46, issue 4, pp. 680-686, 2009. convenient_synthesis_of_some_new_pyrazolo.pdf

Abdelhamid, A. O., E. K. A. Abdelall, N. A.Abdel-Riheem, and S. A. Ahmed, "Synthesis and Antimicrobial Activity of Some New 5-Arylazothiazole, Pyrazolo[1,5-a]pyrimidine, [1,2,4]triazolo[4,3-a]pyrimidine and Pyrimido[1,2- a]benzimidazole Derivatives Containing the thiazole Moiety", Phosphorus, Sulfur, Silicon and Related Element, vol. 185, pp. 709–718, 2010. synthesis_and_antimicrobial_activity.pdf

Abdelall, E. K. A., M. A. Mohamed, and A. O. Abdelhamid, "Reactions with Hydrazonoyl Halides 63: Synthesis and Anticancer Activity of Some New 1,3,4-Thiadiazoles, 1,3,4-Selenadiazoles and 1,2,4-Triazolo[4,3-a]pyrimidines", Phosphorus, Sulfur, Silicon and Related Element, vol. 185, 2010. reactions_with_hydrazonoyl_halides_63_synthesis_.pdf