H. A. Regaila

Activated Nitriles in Heterocyclic Synthesis: Novel Syntheses of Pyrano[2,3‐b]pyridines and Pyrano[2,3‐d]pyrimidines

G. Elgemeie, M. Gohar, H. A. Elfahham, 1988 .

Unexpected products of the reaction of cycloalkylidene(cyano)thioacetamides with arylmethylenemalononitriles: a different novel synthetic route to condensed pyridine-2(1H)-thiones and condensed carbocyclic nitriles

G. Elgemeie, H. A. Regaila, N. Shehata, 1990 .

Unexpected Products of the Reaction of Cycloalkylidene(cyano)thioacetamides with Arylmethylenemalononitriles: A Different Novel Synthetic Route to Condensed Pyridine-2(1H)-thiones and Condensed Carbocyclic Nitriles.

G. Elgemeie, H. A. Regaila, N. Shehata, 1990 .

SYNTHESIS OF SOME NEW BENZIMIDAZOLE AND N-ACETYLPYRAZOLINE DERIVATIVES

M. Hammad, K. El-bayouki, H. A. Regaila, 1979 .

Sesquiterpene lactones from Xanthium pungens

Ahmed Awad E. Ahmed, F. Bohlmann, J. Jakupovic, 1990 .