Studies with β-Oxoalkanonitriles: Simple Novel Synthesis of 3-[2,6-Diaryl-4- pyridyl]-3-oxopropanenitriles

by Sayed M. Riyadh, Mohamed H. Elnagdi, Hamad M. Al-Matar
Published 2008-12-01

2-Arylhydrazononitriles in heterocyclic synthesis: a novel route to 1,3-diaryl-1,2,4-triazol-5-amines via a Tiemann rearrangement of arylhydrazonoamidoximes

by Hamad M. Al-Matar, Sayed M. Riyadh, Mohamed H. Elnagdi
Published 2007-04-01

Acylation of Heteroaromatic Amines: Facile and Efficient Synthesis of a New Class of 1,2,3-Triazolo[4,5-b]pyridine and Pyrazolo[4,3-b]pyridine Derivatives

by Mohamed H. Elnagdi, Saad Makhseed, Hamada Mohamed Ibrahim, Haider Behbehani
Published 2011-05-01

2-Arylhydrazonopropanals as Building Blocks in Heterocyclic Chemistry: Microwave Assisted Condensation of 2-Arylhydrazonopropanals with Amines and Active Methylene Reagents

by Mohamed H. Elnagdi, Rita M. Borik, Khadijah M. Al-Zaydi
Published 2003-12-01

Enaminones in Heterocyclic Synthesis: A Novel Route to Tetrahydropyrimidines, Dihydropyridines, Triacylbenzenes and Naphthofurans under Microwave Irradiation

by Saleh Mohammed Al-Mousawi, Morsy Ahmed El-Apasery, Mohamed H. Elnagdi
Published 2009-12-01

Studies with 2-arylhydrazono-3-oxopropanals: Routes for the synthesis of pyridazine-3,4-dicarboxylate and 3,5-diaroyl pyrazoles

by Mariam A. Al-Shiekh, Hanady Y. Medrassi, Mohamed H. Elnagdi, Ebtisam A. Hafez
Published 2009-01-01

Studies with 3-oxoalkanenitriles: novel rearrangements observed while exploring the utility of 3-(1-methyl-2-pyrrolyl)-3-oxopropanenitrile as a precursor to pyrrole-substituted het...

by Hamad M. Al-Matar, Aisha Y. Adam, Khaled D. Khalil, Mohamed H. Elnagdi
Published 2012-01-01

The photochemistry of 1-alkenyl-substituted-1,2,3-benzotriazoles leading to formation of indole and fused indole derivatives

by Nader Al-Jalal, Nouria A. Al-Awadi, Maher R. Ibrahim, Mohamed H. Elnagdi
Published 2011-10-01

Green One Pot Solvent-Free Synthesis of Pyrano[2,3-c]-Pyrazoles and Pyrazolo[1,5-a]Pyrimidines

by Aisha Y. Adam, Mohamed H. Elnagdi, Hamad M. Al-Matar, Khaled D. Khalil
Published 2010-09-01

Synthesis of Some Novel Biologically Active Disperse Dyes Derived from 4-Methyl-2,6-dioxo-1-propyl-1,2,5,6-tetrahydro-pyridine-3-carbonitrile as Coupling Component and Their Colour...

by Mohamed H. Elnagdi, Marwan M. Touma, Morsy A. El-Apasery, Samar M. Ashkar
Published 2012-07-01

Chitosan as heterogeneous catalyst in Michael additions: The reaction of cinnamonitriles with active methyls, active methylenes and phenols

by Hamad M. Al-Matar, Khaled D. Khalil, Herbert Meier, Heinz Kolshorn, Mohamed H. Elnagdi
Published 2008-12-01

Improved synthesis of 2-arylhydrazono-3-hydroxy-1-propanones and their utility in efficient synthesis of pyridazine derivatives

by Nouria A. Al-Awadi, Maher R. Ibrahim, Alya M. Al-Etaibi, Mohamed H. Elnagdi
Published 2011-01-01

The Photochemistry of Benzotriazole Derivatives. Part 2: Photolysis of 1-Substituted Benzotriazole Arylhydrazones: New Route to Phenanthridin-6-yl-2-phenyldiazines

by Nouria A. Al-Awadi, Mohamed H. Elnagdi, Nader A. Al-Jalal, Maher R. Ibrahim
Published 2011-12-01

Studies on 3-Oxoalkanenitriles: Novel Rearrangement Reactions Observed in Studies of the Chemistry of 3-Heteroaroyl-3-Oxoalkanenitriles as Novel Routes to 2-Dialkylaminopyridines

by Mohamed H. Elnagdi, Hamad M. Al-Matar, Khaled D. Khalil, Mona F. Al-Kanderi
Published 2012-01-01

Enaminones in a multicomponent synthesis of 4-aryldihydropyridines for potential applications in photoinduced intramolecular electron-transfer systems

by Nouria A. Al-Awadi, Maher R. Ibrahim, Mohamed H. Elnagdi, Elizabeth John, Yehia A. Ibrahim
Published 2012-03-01

An expeditious and green synthesis of new enaminones and study their chemical reactivity toward some different amines and binucleophiles under environmentally friendly conditions

by Khadijah M. Al-Zaydi, Ramadan A. Mekheimer, Sameera M. Mousally, Rita M. Borik, Mohamed H. Elnagdi
Published 2017-05-01

Photochemistry of Benzotriazoles: Generation of 1,3-Diradicals and Intermolecular Cycloaddition as a New Route toward Indoles and Dihydropyrrolo[3,4-b]Indoles

by Nader A. Al-Jalal, Maher R. Ibrahim, Nouria A. Al-Awadi, Mohamed H. Elnagdi, Yehia A. Ibrahim
Published 2014-12-01

Multi Component Reactions under Increased Pressure: On the Mechanism of Formation of Pyridazino[5,4,3-de][1,6]naphthyridine Derivatives by the Reaction of Malononitrile, Aldehydes...

by Majdah A. AL-Johani, Khadijah M. Al-Zaydi, Sameera M. Mousally, Norah F. Alqahtani, Noha Hilmy Elnagdi, Mohamed H. Elnagdi
Published 2017-12-01