Výsledky vyhledávání - "Abdu E. Abdel‐Rahman"

Akademický článek

Synthesis, crystal structure investigation, Hirshfeld and DFT studies of newly synthesized dihydroisoquinoline derivatives

Autor: Youness El Bakri, Shaaban K. Mohamed, Atazaz Ahsin, Subramani Karthikeyan, Suzan Abuelhassan, Abdu E. Abdel-Rahman, Islam S. Marae, Etify A. Bakhite, Joel T. Mague, Rashad Al-Salahi

Publikováno v: Arabian Journal of Chemistry, Vol 16, Iss 11, Pp 105294- (2023)

Isoquinoline and its derivatives, which constitute an important category of heterocyclic compounds and are found in a variety of naturally occurring alkaloids, serve a variety of biological purposes such as a potent agonist for human melatonin recept

Externí odkaz: https://doaj.org/article/42282470c0d74d47a9554faffdabe618

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Akademický článek

Synthesis, Crystal Growth, and Computational Investigation of New Tetrahydroisoquinoline Derivatives Potent against Molecule Nitric Oxide Synthases

Autor: Youness El Bakri, Shaaban K. Mohamed, Atazaz Ahsin, Subramani Karthikeyan, Suzan Abuelhassan, Abdu E. Abdel-Rahman, Islam S. Marae, Etify A. Bakhite, Joel T. Mague, Rashad Al-Salahi

Publikováno v: Crystals, Vol 13, Iss 8, p 1161 (2023)

In the present work, we describe the synthesis of new tetrahydroisoquinoline derivatives and the crystal structures of two of them. Density functional theory (DFT) investigations at the B3LYP/6-31+G(d,p) level provided their structural reactivity and

Externí odkaz: https://doaj.org/article/2a70d80227da45e48b44c80b1ec3a2b4

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Akademický článek

Fluorine-containing heterocycles: Part III. Synthesis of some new furo[2,3-b]-, pyrazolo[3,4-b]- and thieno[2,3-b]pyridines with anticipated biological activities

Autor: Etify A. Bakhite, Abdu E. Abdel-Rahman, Elham A. Al-Taifi

Publikováno v: Arabian Journal of Chemistry, Vol 7, Iss 6, Pp 936-946 (2014)

3-Cyano-6-(2-thienyl)-4-trifluoromethylpyridine-2(1H)-one (1) and its thiono analog 2 were prepared by the reaction of (2-thenoyl)-ω,ω,ω-trifluoroacetone with cyanoacetamide or cyanothioacetamide, respectively. Interaction of compound 1 with ethyl

Externí odkaz: https://doaj.org/article/9f4dfb43cf0549f1828324219dc3760e

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Synthesis, photophysical properties, and biological activities of some new thienylpyridines, thienylthieno[2.3‐ b ]pyridines and related fused heterocyclic compounds

Autor: Suzan Abuelhassan, Etify A. Bakhite, Abdu E. Abdel‐Rahman, Ahmed F. M. El‐Mahdy, Abdelreheem A. Saddik, Islam S. Marae, Shams H. Abdel‐Hafez, Mahmoud Tolba

Publikováno v: Journal of Heterocyclic Chemistry. 60:458-470

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::da09affa55e033af5031ef93108b5c2a
https://doi.org/10.1002/jhet.4600

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Fluorine-containing heterocycles: Part III. Synthesis of some new furo[2,3-b]-, pyrazolo[3,4-b]- and thieno[2,3-b]pyridines with anticipated biological activities

Autor: Abdu E. Abdel-Rahman, Elham A. Al-Taifi, Etify A. Bakhite

Publikováno v: Arabian Journal of Chemistry, Vol 7, Iss 6, Pp 936-946 (2014)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5559307aebdb3364d91bc64bb998f46f
https://doi.org/10.1016/j.arabjc.2014.05.035

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Alkylation of the aromatic nucleus

Autor: M. Zarif A. Badr, Abdu E. Abdel-Rahman

Publikováno v: Journal of Applied Chemistry and Biotechnology. 24:247-253

The proportion of α- and β-alkyl naphthalenes has been determined in the products of the thermal decomposition of sulphonic acid esters of ethyl, isopropyl and sec-butyl alcohols in naphthalene as aromatic solvent, The isomer ratios from alkylation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f7fbc7214338eaf784e9dd29748e6bce
https://doi.org/10.1002/jctb.2720240408

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Synthesis and application of some new heterocyclo-s-triazole derivatives as antimicrobial agents

Autor: Ibrahim M. A. Awad, Etify A. Bakite, Abdu‐E‐ Abdel‐Rahman

Publikováno v: Journal of Chemical Technology & Biotechnology. 51:483-495

3-Aryloxymethyl-4-amino-5-mercapto-s-triazoles (1a–c) reacted with alkyl/aralkyl halides to give 5-alkyl/aralkyl thio-s-triazole derivatives (2a–i) and with substituted phenacyl bromides afforded s-triazolo-thiadiazines (3a–l). Condensation of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::733b6e0faf3326beb0a077d40c7db2d7
https://doi.org/10.1002/jctb.280510406

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Synthesis and application of some new oxazole derivatives as antimicrobial agents

Autor: Abdu E. Abdel-Rahman, Etify A. Bakhite, Th. A. Mohamed

Publikováno v: Journal of Chemical Technology & Biotechnology. 55:157-161

5-(p-Acetylphenyl)-2-phenyloxazole (I) was condensed with aromatic aldehydes to furnish chalcones 2a-e. Cyclocondensation of 2a-e with hydrazine hydrate and with phenyl hydrazine led to the formation of pyrazoline derivatives 3a-e and 4a-e respective

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a18d4d0c9f4628c8d1f3ef29be199d52
https://doi.org/10.1002/jctb.280550209

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Fluorine-containing Heterocycles: Part II Synthesis and Reactions of New Thieno[2,3-b]Pyridine Derivatives Bearing Trifluoromethyl Group

Autor: Abdu E. Abdel-Rahman, Etify A. Bakhite, Elham A. Al-Taifi

Publikováno v: Journal of Chemical Research. 2005:461-468

Ethyl [3-cyano-6-(2-thienyl)-4-trifluoromethylpyridin-2-ylthio]acetate (2) and ethyl 3-amino-6-(2-thienyl)-4-trifluoromethylthieno[2,3-b]pyridine-2-carboxylate (3) were prepared by reaction of 3-cyano-6-(2-thienyl)-4-trifluoromethylpyridine-2(1H)-thi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c0ed6592ee135b9bc8a4f13ef5b2a3a7
https://doi.org/10.3184/030823405774309014

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