1. Syhthesis and antimicrobial evaluation of naphtho[2,1-b]pyrano[2,3-d]pyrimidine and pyrano[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine derivative;Eid;Acta Pharm.,2004
2. Synthesis of some new pyrano[2,3-d][1,2,4]triazolo[1,5-c]pyrimidine and pyrimido[1,6-b]triazine derivatives;Abd El-Wahab;Acta Pharm.,2003
3. Heteroaromatization with 4-Hydroxycoumarin Part II: Synthesis of Some New Pyrano[2,3-d]pyrimidines, [1,2,4]triazolo[1,5-c]pyrimidines and Pyrimido[1,6-b]-[1,2,4]triazine Derivatives
4. 4-Hydroxycoumarin in heterocyclic synthesis
5. Synthesis pyrano[2,3-d]pyrimidine and pyrano[3,2-e][1,2,4]triazolo[2,3-c]pyrimidine derivatives with promising antibacterial activities;El-Agrody;Acta Pharm.,2000