Nitriles in Heterocyclic Synthesis: Novel Synthesis of Benzo[c]coumarin and of Benzo[c]pyrano[3,2-c]quinoline Derivatives

E.A. Hafez, Ebtisam Abdel Aziz Hafez, Mohamed Hilmy Elnagdi, +2

Heterocycles

Derivative (Chemistry)DerivativesBioorganic ChemistryNovel SynthesesHeterocyclic +13

Pyrimidine derivatives and related compounds. A novel synthesis of pyrimidines, pyrazolo[4,3‐<i>d</i>]pyrimidines and isoxazolo[4,3‐<i>d</i>] pyrimidine

Mohamed Hilmy Elnagdi, Shereif Mahmoud Fahmy, Ebtisam Abdel Aziz Hafez, +2

Journal of Heterocyclic Chemistry

Bioorganic ChemistryOrganic ChemistryNovel SynthesisChemistryHeterocycle Chemistry +14

Reactions with heterocyclic amidines VIII. Synthesis of some new imidazo[1,2‐<i>b</i>]pyrazole derivatives

Mohamed Hilmy Elnagdi, Ebtisam Abdel Aziz Hafez, H. A. ELFAHHAM, +1

Journal of Heterocyclic Chemistry

Derivative (Chemistry)DerivativesHeterocyclicMalononitrile DerivativesCompounds Xa +8

Utility of Hydrazines and Hydrazine Derivativces in Heterocyclic Synthesis

E.A. Hafez, Ebtisam Abdel Aziz Hafez, N. M. ABED, +1

Heterocycles

Isomeric PyrazolesHeterocyclicNatural SciencesPyrazole DerivativesMolecular Biology +5

Reactions with the Arylhydrazones of α-Cyanoketones: Utility of Arylhydrazonomesoxalonitriles for the Synthesis of Azoles and Azolines

Ebtisam Abdel Aziz Hafez, Mohamed Ali Elsayed Khalifa, Sayed Kamel Ahmed Guda, +1

Zeitschrift für Naturforschung B

Derivative (Chemistry)DerivativesSeveral New PyrimidineAmidrazones 13Organic Chemistry +7

Studies on Alkyl Heterocyclic Aromatic Compounds: New Routes for the Synthesis of Polyazanaphthalenes

Mohamed Hilmy Elnagdi, Fatma Abdel Maksoud Abdel Aal, Ebtisam Abdel Aziz Hafez, +1

Zeitschrift für Naturforschung B

Chemical EngineeringDerivativesNew RoutesEngineeringPolyazanaphthalene Derivatives +9

Activated nitriles in heterocyclic synthesis. The reaction of cinnamonitrile derivatives with active methylene reagents

N. M. ABED, Ebtisam Abdel Aziz Hafez, Ibraheim Elsakka, +1

Journal of Heterocyclic Chemistry

Derivative (Chemistry)Natural Product SynthesisDerivativesEngineeringHeterocyclic +12

Nitriles in heterocyclic synthesis. A novel synthesis of spiropyran‐4‐ylindolidene derivatives

Ebtisam Abdel Aziz Hafez, Fathy M. Abdul Galil, Sherif M. Sherif, +1

Journal of Heterocyclic Chemistry

DerivativesHeterocyclicBiochemistryHigh Resolution 1Natural Sciences +9

Nitriles in organic synthesis: A novel synthesis of benzo[<i>h</i>]pyrimidino[1,2‐<i>c</i>]‐pyridazinone and hydrazonobut‐2‐enonitrile derivatives

Ebtisam Abdel Aziz Hafez, Zaghloul E. Kandeel, Mohamed Hilmy Elnagdi

Journal of Heterocyclic Chemistry

Activated Nitriles in Heterocyclic Synthesis: The Reaction of Substituted Cinnamonitriles with 2-Functionally Substituted Methyl-2-thiazolin-4-one Derivatives

Kamal Usef Sadek, Ebtisam Abdel Aziz Hafez, Abo-Elfetouh E. Mourad, +1

Zeitschrift für Naturforschung B

Pyridine DerivativesDerivativesHeterocyclicOrganic ChemistrySubstituted Cinnamonitriles +8