Yazar "Hayvalı, Zeliha" için listeleme
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Crystal structure of 2-[2-(2-aminophenoxy)ethoxy]-N-[(1E)-2,3,5,6,8,9,11,12-octahydro-1,4,7,1 0,13-benzopentaoxacyclopentadecin-15-ylmethylene]aniline
Hökelek, Tuncer; Öztürk, A.; Hayvalı, Zeliha; Dal, Hakan; Kılıç, Zeynep (Japan Society for Analytical Chemistry, 2006)The title compound, C29H34N2O7, is a substituted monotopic benzo-15-crown-5-ether ligand. It belongs to the space group P21/a with cell parameters a = 8.9857(6), b = 25.0353(17), c = 12.6979(9)Å and ß = 109.730(1)o. The ... -
Double-Armed Benzo-15-crown-5 Ligands and Complexes and Single Crystal Structure Determination
Şahin, Duygu; Süzen, Yasemin; Hayvalı, Zeliha (Wiley-Hindawi, 2014)This work describes the syntheses and characterizations of double-armed benzo-15-crown-5 containing nitro (1), amine (2), and imine (3-5) groups, and their sodium complexes (1a-5a). Structures of the ligands (1-5) and ... -
New NO donor ligands and complexes containing furfuryl or crown ether moiety: Syntheses, crystal structures and tautomerism in ortho-hydroxy substituted compounds as studied by UV-vis spectrophotometry
Şahin, Duygu; Koçoğlu, Serhat; Şener, Öznur; Şenol, Cemal; Dal, Hakan; Hökelek, Tuncer; Hayvalı, Zeliha (Elsevier Science BV, 2015)NO donor ligands were prepared by the condensation of methoxy substituted salicylaldehyde with 5-methylfurfurylamine (I and 2) and 4'-aminobenzo-15-crown 5 (3-5). New crown ether ligands of Schiff base type (3-5) containing ... -
Phosphorus-nitrogen compounds. Part 23: Syntheses, structural investigations, biological activities, and DNA interactions of new N/O spirocyclotriphosphazenes
Asmafiliz, Nuran; Kılıç, Zeynel; Hayvalı, Zeliha; Açık, Leyla; Hökelek, Tuncer; Dal, Hakan; Öner, Yağmur (Pergamon-Elsevier Science LTD, 2012)The Schiff base compounds (1 and 2) are synthesized by the condensation reactions of 2-furan-2-yl-methylamine with 2-hydroxy-3-methoxy- and 2-hydroxy-5-methoxy-benzaldehydes and reduced with NaBH4 to give the new N/O-donor-type ... -
Syntheses, characterizations and structures of NO donor Schiff base ligands and nickel(II) and copper(II) complexes
Şenol, Cemal; Hayvalı, Zeliha; Dal, Hakan; Hökelek, Tuncer (Elsevier Science BV, 2011)New Schiff base derivatives (L(1) and L(2)) were prepared by the condensation of 2-hydroxy-3-methoxybenzaldehyde (o-vanillin) and 3-hydroxy-4-methoxybenzaldehyde (iso-vanillin) with 5-methylfurfurylamine. Two new complexes ... -
Syntheses, spectroscopic and crystallographic characterizations of 4-nitrobenzyloxy derivatives and benzofurans from ortho-substituted benzaldehydes and 4-nitrobenzyl bromide
Hayvalı, Zeliha; Dal, Hakan; Köksal, Pınar; Şahin, Duygu; Hökelek, Tuncer (Springer/Plenum Publishers, 2010)A series of benzyloxybenzaldehyde derivatives (1-3) were prepared by the reactions of 4-nitrobenzyl bromide with 4-hydroxy-3-methoxybenzaldehyde (vanillin), 2-hydroxy-3-methoxybenzaldehyde (o-vanillin) and 2-hydroxy-4-me ... -
Syntheses, spectroscopic and structural characterizations and metal ion binding properties of Schiff bases derived from 4 '-aminobenzo-15-crown-5
Güler, Hüseyin; Hayvalı, Zeliha; Dal, Hakan; Hökelek, Tuncer (Pergamon-Elsevier Science LTD, 2012)A series of benzyloxybenzaldehyde derivatives (1-4) were synthesized by the reactions of 4-(bromomethyl)benzonitrile with 4-hydroxy-3-methoxybenzaldehyde (vanillin), 2-hydroxy-3-methoxybenzaldehyde (o-vanillin), ... -
Synthesis and spectroscopic characterization of new Schiff bases containing the benzo-15-crown-5 moiety
Hayvalı, Zeliha; Hayvalı, M; Dal, Hakan (Molecular Diversity Preservation International, 2004)New crown ether Schiff base derivatives were prepared by the condensation of 4'-formylbenzo-15-crown- 5 or 4'-formyl-5'-hydroxybenzo-15-crown-5 with 1,2-bis(2aminophenoxy)ethane. The structures of these new compounds were ... -
The synthesis, molecular structure, FT-IR and XRD spectroscopic investigation of 4-[(2-{[(2-furylmethyl)imino]methyl}-4-methoxyphenoxy)methyl]benzonitrile: A comparative DFT study
Alver, Özgür; Hayvalı, Zeliha; Güler, Hüseyin; Dal, Hakan; Şenyel, Mustafa (Elsevier Science BV, 2011)4-[(2-{[(2-Furylmethyl)imino]methyl}-4-methoxyphenoxy)methyl]benzonitrile, a novel Schiff base compound, was prepared for the first time and its structural and vibrational properties were studied both experimentally and ...