Search Results - "Abd Allah, Omyma A."

Synthesis and antidiabetic activity of novel triazole derivatives containing amino acids by Mohamed, Mounir A. A., Abd Allah, Omyma A., Bekhit, Adnan A., Kadry, Asmaa M., El‐Saghier, Ahmed M. M.

“…New series of triazole derivatives coupled with amino acids 1a‐h were obtained via multicomponent reaction of 2‐hydroxy benzaldehyde or 2‐hydroxy acetophenone…”
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Crystal structure and Hirshfeld surface analysis of ethyl 2-[9-(2-hy-droxy-phen-yl)-3,3,6,6-tetra-methyl-1,8-dioxo-2,3,4,4a,5,6,7,8a,9,9a,10,10a-dodeca-hydro-acridin-10-yl]acetate by Allah, Omyma A A Abd, Kaur, Manpreet, Akkurt, Mehmet, Mohamed, Shaaban K, Jasinski, Jerry P, Elgarhy, Sahar M I

“…In the title compound, C H NO , a 3,3,6,6-tetra-methyl-tetra-hydro-acridine-1,8-dione ring system carries an ethyl acetate substituent on the acridine N atom…”
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Crystal structure of 2-[9-(2-hy-droxy-phen-yl)-1,8-dioxo-1,2,3,4,5,6,7,8,9,10-deca-hydro-acridin-10-yl]acetic acid by Akkurt, Mehmet, Jasinski, Jerry P, Mohamed, Shaaban K, Allah, Omyma A Abd, Tamam, Asmaa H A, Albayati, Mustafa R

“…The title compound, C21H21NO5, crystallizes with two mol-ecules in the asymmetric unit. In each mol-ecule, the central 1,4-di-hydro-pyridine ring adopts a…”
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Green synthesis, antileishmanial activity evaluation, and in silico studies of new amino acid-coupled 1,2,4-triazoles by El-Saghier, Ahmed M., Mohamed, Mounier A., Abd-Allah, Omyma A., Kadry, Asmaa M., Ibrahim, Tamer M., Bekhit, Adnan A.

“…Candidates of triazole-containing amino acid derivatives 5a−k were prepared under green chemistry conditions via multicomponent reaction using lemon juice as…”
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Synthesis and antimicrobial activity of some novel 1,2-dihydro-[1,2,4]triazolo[1,5-]pyrimidines bearing amino acid moiety by Mohamed, Mounir A. A, Bekhit, Adnan A, Abd Allah, Omyma A, Kadry, Asmaa M, Ibrahim, Tamer M, Bekhit, Salma A, Amagase, Kikuko, El-Saghier, Ahmed M. M

“…A new series of [1,2,4]-triazole bearing amino acid derivatives 2a-d - 9a-d were synthesized under green chemistry conditions via multicomponent reaction using…”
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An Efficient One‐Pot Three‐Component Synthesis of Some New Polyhydroquinolines via Enaminone Intermediates by Abdelhamid, Antar A., Abd Allah, Omyma A., Tamam, Asmaa H.A.

“…For a wide spectrum of pharmacological effects of polyhydroquinolines, this study introduces a developed safe, simple, higher yields and fast method for the…”
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Crystal structure of 2-amino-4-(4-chlorophenyl)-1-(4-methylphenyl)-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carbonitrile by Mohamed, Shaaban K., Akkurt, Mehmet, Jasinski, Jerry P., Allah, Omyma A. A. Abd, Albayati, Mustafa R.

“…In the title compound, C 23 H 20 ClN 3 O, each of the cyclohexene and 1,4-dihydropyridine rings of the 1,4,5,6,7,8-hexahydroquinoline ring system adopts a…”
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Crystal structures of 1-(4-chloro-phen-yl)-4-(4-methyl-phen-yl)-2,5-dioxo-1,2,5,6,7,8-hexa-hydro-quinoline-3-carb-oxy-lic acid and 4-(4-meth-oxy-phen-yl)-1-(4-methyl-phen-yl)-2,5-dioxo-1,2,5,6,7,8-hexa-hydro-quinoline-3-carbo-nitrile by Allah, Omyma A Abd, Kaur, Manpreet, Akkurt, Mehmet, Mohamed, Shaaban K, Tamam, Asmaa H A, Elgarhy, Sahar M I, Jasinski, Jerry P

“…In the title compounds C H ClN O [ , namely 1-(4-chloro-phen-yl)-4-(4-methyl-phen-yl)-3,8-dioxo-1,2,5,6,7,8-hexa-hydro-quine-3-carb-oxy-lic acid] and C H N O […”
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Synthesis, Structural Stability Calculation, and Antibacterial Evaluation of Novel 3,5-Diphenylcyclohex-2-en-1-one Derivatives by Abd Allah, Omyma A., El-Saghier, Ahmed M., Kadry, Asmaa M.

“…Starting with 3,5-diphenylcyclohex-2-en-1-one, 3,5-diphenylcyclohex-2-en-1-semicarbazone, 1-chloro-3,5-diphenylcyclohex-2-en-2-carbaldehyde, and…”
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Crystal structures of 1-(4-chlorophenyl)-4-(4-methylphenyl)-2,5-dioxo-1,2,5,6,7,8-hexahydroquinoline-3-carboxylic acid and 4-(4-methoxyphenyl)-1-(4-methylphenyl)-2,5-dioxo-1,2,5,6,7,8-hexahydroquinoline-3-carbonitrile by Allah, Omyma A. Abd, Kaur, Manpreet, Akkurt, Mehmet, Mohamed, Shaaban K., Tamam, Asmaa H. A., Elgarhy, Sahar M. I., Jasinski, Jerry P.

“…In the title compounds C 23 H 21 ClN 2 O 3 [ I , namely 1-(4-chlorophenyl)-4-(4-methylphenyl)-3,8-dioxo-1,2,5,6,7,8-hexahydroquine-3-carboxylic acid] and C 24…”
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Synthesis and Reactions of Five-Membered Heterocycles Using Phase Transfer Catalyst (PTC) Techniques by Mohamed, Shaaban K., El-Saghier, Ahmed M. M., Abd Allah, Omyma A., El-Sayed, Ahmed M.

“…Phase transfer catalysts (PTCs) have been widely used for the synthesis of organic compounds particularly in both liquid-liquid and solid-liquid heterogeneous…”
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Synthesis and Characterization of New Nanocomposites Based on Montmorillonite and Hexahydroquinolinyl Ether Hybrids by Abd Allah, Omyma A., Elshater, Abdelhamid

“…Familiarly, montmorillonite (MMT) ‐ based composites are prepared by the absorption method, which produced unstable MMT composites, since the adsorbates were…”
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Crystal structure of 2-amino-4-(4-chloro-phen-yl)-1-(4-methyl-phen-yl)-5-oxo-1,4,5,6,7,8-hexa-hydro-quinoline-3-carbo-nitrile by Mohamed, Shaaban K, Akkurt, Mehmet, Jasinski, Jerry P, Allah, Omyma A A Abd, Albayati, Mustafa R

“…In the title compound, C23H20ClN3O, each of the cyclo-hexene and 1,4-di-hydro-pyridine rings of the 1,4,5,6,7,8-hexa-hydro-quinoline ring system adopts a…”
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5-(4-Methylphenyl)-3-phenylcyclohex-2-en-1-one by Mohamed, Shaaban K., Akkurt, Mehmet, Abdelhamid, Antar A, Singh, Kuldip, Allah, Omyma A. A. Abd

“…In the title compound, C19H18O, the cyclohexene ring has an envelope conformation with the methine C atom on the flap. The phenyl and methylphenyl rings form a…”
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Ethyl 2-[9-(5-bromo-2-hydroxyphenyl)-3,3,6,6-tetramethyl-1,8-dioxo-1,2,3,4,5,6,7,8,9,10-decahydroacridin-10-yl]acetate by Mohamed, Shaaban K., Dege, Necmi, Akkurt, Mehmet, Allah, Omyma A. Abd, Albayati, Mustafa R.

“…In the title compound, C 27 H 32 BrNO 5 , the central 1,4-dihydropyridine ring adopts a shallow sofa conformation (with the C atom bearing the bromophenol ring…”
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5-(4-Methyl-phen-yl)-3-phenyl-cyclo-hex-2-en-1-one by Mohamed, Shaaban K, Akkurt, Mehmet, Abdelhamid, Antar A, Singh, Kuldip, Allah, Omyma A A Abd

“…In the title compound, C(19)H(18)O, the cyclo-hexene ring has an envelope conformation with the methine C atom on the flap. The phenyl and methyl-phenyl rings…”
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