1. Nitriles in heterocyclic synthesis: the reaction of polyhydric naphtalenes, 4-methylcoumarin-3carbonitrile, and alkylidenemalononitrile with methylenemalononitrile;Abdel-Ghani;Bull. Chem. Soc. Jpn.,1993
2. Synthesis and antimicrobial activities of naphto[2,1-b]pyrane, pyrano[2,3-d]pyrimidine, and pyrano[3,2-e][1,2,4]triazolo[2,3-c]pyrimidine derivatives;Ahmed;Farmaco,2001
3. 4-Hydroxycoumarin in heterocyclic synthesis, part III: synthesis of some new pyrano[2,3-d]pyrimidine, 2-substitued[1,2,4]triazolo[1,5-c]pyrimidine, and pyrimido[1,6-b][1,2,4] triazine derivatives;Ahmed;Farmaco,2000
4. Synthesis of 9-methoxy and 9-acetoxy-3-amino-1-(4-methoxyphenyl)-1H-benzo[f]chromene-2-carbonitriles via 2-(imino-piperidin-1-yl-methyl)-3-(4-methoxyphenyl)acrylonitrile as intermediate;Ahmed;Z. Naturforsch.,2002
5. Heteroaromatization with 4-hydroxycoumarin, part I: synthesis of some new pyranocoumarins and coumarinopyranopyrimidines;Ahmed;J. Chem. Res. Synop.,2000