Search Results - "Abdelhamid, Ismail Abdelshafy"

Synthesis and Antimicrobial Evaluations of Novel Spiro Cyclic 2-Oxindole Derivatives of N-(1H-Pyrazol-5-Yl)-Hexahydroquinoline Derivatives by Mohamed Abdelmoniem, Amr, Abdelshafy Abdelhamid, Ismail, Ahmed Soliman Ghozlan, Said, Ali Ramadan, Muhammed

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A One-Pot Biginelli Synthesis of 6-Unsubstituted 5-Aroylpyrimidin-2(1H)-ones and 6-Acetyl-1,2,4-triazin-3(2H)-ones by Darwish, Elham Sayed, Abdelshafy Abdelhamid, Ismail, Adel Nasra, Miead, Abdel-Gallil, Fathy Mohamed, Fleita, Daisy Hanna

“…The three‐component Biginelli‐like cyclocondensation reaction of enamines 1, urea, and aldehydes in dioxane/acetic acid efficiently afforded the corresponding…”
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Bidirectional Synthesis, Photophysical and Electrochemical Characterization of Polycyclic Quinones Using Benzocyclobutenes and Benzodicyclobutenes as Precursors by Mohamed Abdelmoniem, Amr, Abdelshafy Abdelhamid, Ismail, Butenschön, Holger

“…Quinones have widespread applications in view of their interesting chemical and photophysical features. On the other hand, benzocyclobutenes (BCBs) are…”
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Development of rapid and precise approach for quantification of bacterial taxa correlated with soil health by Abdelmoneim, Taghreed Khaled, Mohamed, Mahmoud S M, Abdelhamid, Ismail Abdelshafy, Wahdan, Sara Fareed Mohamed, Atia, Mohamed A M

“…The structure and dynamic of soil bacterial community play a crucial role in soil health and plant productivity. However, there is a gap in studying the un-/or…”
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Chalcones incorporated pyrazole ring inhibit proliferation, cell cycle progression, angiogenesis and induce apoptosis of MCF7 cell line by Mohamed, Magda F, Mohamed, Mervat S, Fathi, Mohamed M, Shouman, Samia A, Abdelhamid, Ismail Abdelshafy

“…A Series of chalcone derivatives containing pyrazole ring was prepared and their cytotoxicity against different human cell lines, including breast (MCF-7),…”
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Synthesis and Biological Evaluation of a Novel Series of Chalcones Incorporated Pyrazole Moiety as Anticancer and Antimicrobial Agents by Mohamed, Magda F., Mohamed, Mervat S., Shouman, Samia A., Fathi, Mohamed M., Abdelhamid, Ismail Abdelshafy

“…A newly synthesized series of chalcone derivatives containing pyrazole rings were synthesized and evaluated for their cytotoxic activities in vitro against…”
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The First Benzo[1,2:4,5]dicyclobutenones and Their Tricarbonylchromium Complexes by Abdelhamid, Ismail Abdelshafy, Habib, Osama Mahmoud Ali, Butenschön, Holger

“…Treatment of 1,4‐dibromo‐2,5‐dimethoxybenzene (6) with NaNH2 followed by 1,1‐dimethoxyethene (7) afforded the bi‐ and tricyclic acetals such as 8 and 9 as the…”
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Functionally substituted arylhydrazones as building blocks in heterocyclic synthesis: routes to pyridazines and pyridazinoquinazolines by Ghozlan, Said Ahmed Soliman, Abdelhamid, Ismail Abdelshafy, Elnagdi, Mohamed Hilmy

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Phthalimide Tricarbonylchromium Complexes: Synthesis, Characterization, Nucleophilic Addition, and Unanticipated syn Adduct Formation upon Addition of Propynyllithium by Habib, Osama Mahmoud Ali, Zhao-Karger, Zhirong, Abdelhamid, Ismail Abdelshafy, Wartchow, Rudolf, Butenschön, Holger

“…The complexation of phthalimide derivatives with hexacarbonylchromium in dibutyl ether/THF (10:1) afforded the corresponding tricarbonylchromium complexes,…”
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Studies with 2-arylhydrazononitriles: a new convenient synthesis of 2, 4-disubstituted- 1,2,3-triazole-5-amines by Ghozlan, Said Ahmed Soliman, Abdelhamid, Ismail Abdelshafy, Ibrahim, Hamada Mohamed, Elnagdi, Mohamed Hilmy

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Arylhydrazonals as aldehyde components in Baylis-Hillman reaction: synthesis of 5-hydroxy-2,3,4,5-tetrahydropyridazine-4-carbonitrile and 6,7,8,8a-tetrahydrocinnolin-5(1H)-one by Abdelhamid, Ismail Abdelshafy, Darwish, Elham Sayed, Nasra, Miead Adel, Abdel-Gallil, Fathy Mohamed, Fleita, Daisy Hanna

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Alkyl heteroaromatic as precursors to polycyclic heteroaromatics: Recent developments by Abdelhamid, Ismail Abdelshafy, Ghozlan, Said Ahmed Soliman, Elnagdi, Mohamed Hilmy

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Alkylazinylcarbonitriles as building blocks in organic synthesis: synthesis of 3-amino-7-arylhyrazonothieno-7H-[3,4-c]-pyridine-4,6-diones and pyrido-[3,4-c]-pyridazine-5-carbonitrile by Al-Mousawi, Saleh Mohamed, Abdelhamid, Ismail Abdelshafy, Moustafa, Moustafa Sherief

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Chapter 1 Recent Developments in Pyridazine and Condensed Pyridazine Synthesis by Hilmy Elnagdi, Mohamed, Al-Awadi, Nouria A., Abdelshafy Abdelhamid, Ismail

“…This chapter discusses recent developments in pyridazine and condensed pyridazine synthesis. Today, the pyridazine nucleus and its 3-oxo derivatives have been…”
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An Efficient One-pot Synthesis of Novel Spiro Cyclic 2-Oxindole Derivatives of Pyrimido[4,5-b]Quinoline, Pyrido[2,3-d:6,5-d′]Dipyrimidine and Indeno[2′,1′:5,6]Pyrido [2,3-d]Pyrimidine in Water by Abdelmoniem, Amr Mohamed, Hassaneen, Huwaida M. E., Abdelhamid, Ismail Abdelshafy

“…A novel and facile one‐pot synthesis of spiro cyclic 2‐oxindole derivatives of pyrimido[4,5‐b]quinoline‐4,6‐dione,…”
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Regioorientation in the Addition Reaction of α-Substituted Cinnamonitrile to Enamines Utilizing Chitosan as a Green Catalyst: Unambiguous Structural Characterization Using 2D-HMBC NMR Spectroscopy by Ghozlan, Said A. S., Ahmed, Ahmed Gamal, Abdelhamid, Ismail Abdelshafy

“…Hexahydroquinolines and their fused derivatives are obtained in good to excellent yields by proceeding through a simple, mild, and efficient procedure…”
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MicroRNA-215 as a Diagnostic Marker in Egyptian Patients with Hepatocellular Carcinoma by El Mahdy, Hussein Ahmed, Abdelhamid, Ismail Abdelshafy, Amen, Ahmed Ibrahim, Abdelsameea, Eman, Hassouna, Mona M

“…Background: MicroRNAs are mentioned as a small non-coding RNAs groups and aberrant miRNA expression was found in hepatocellular carcinoma (HCC) patients. Aim:…”
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The First Bidirectional [4+2] Cycloadditions of Benzo[1,2:4,5]dicyclobutenes: Synthesis of Benzo[1,2-f:4,5-f′]diisoindole-1,3,7,9-tetraones by Abdelhamid, Ismail Abdelshafy, Butenschön, Holger

“…Bidirectional reactions are an efficient tool for the synthesis of larger, often symmetric compounds. Whereas the ring opening of benzocyclobutene derivatives…”
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1,ω-Bis(formylphenoxy)alkane: versatile precursors for novel bis-dihydropyridine derivatives by Kassab, Refaie M., Elwahy, Ahmed H. M., Abdelhamid, Ismail Abdelshafy

“…Reaction of β -aminocrotonitrile with a series of bis(aldehydes) containing ether linkages afforded the corresponding…”
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Studies Using (E)-6-Oxo-1-aryl-4-(2-N-piperidinyl)vinyl-1,6-dihydropyridazine-5-carbonitrile by Abdelshafy Abdelhamid, Ismail, Ahmed Soliman Ghozlan, Said, Kolshorn, Heinz, Meier, Herbert, Hilmy Elnagdi, Mohamed

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