Browsing by Author "Sayin, Koray"
Now showing items 41-47 of 47
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Synthesis of two new azo-azomethines; spectral characterization, crystal structures, computational and fluorescence studies
Eskikanbur, Sevgi; Sayin, Koray; Kose, Muhammet; Zengin, Huseyin; McKee, Vickie; Kurtoglu, Mukerrem (ELSEVIER SCIENCE BV, 2015)This study describes the preparation, characterization and the photoluminescence properties of novel azo-azomethines (2-{(E)-[(4-ethylphenyl)imino]methyl}-4-[(E)-phenyldiazenyl]phenol, HL1 and 2-{(E)-[(3-ethylphenyl)imin ... -
Synthesis, spectral analysis and quantum chemical studies on molecular geometry, chemical reactivity of 7-chloro-9-(2 '-chlo rophenyl)-2,3-dihydroacridin-4(1H)-one and 7-chloro-9-(2 '-fluo rophenyl)-2,3-dihydroacridin-4(1H)-one
Satheeshkumar, Rajendran; Sayin, Koray; Kaminsky, Werner; Prasad, Karnam Jayarampillai Rajendra (ELSEVIER SCIENCE BV, 2017)7-Chloro-9-(2'-chlorophenyl)-2,3-dihydroacridin-4(1H)-one (3a) and 7-chloro-9-(2'-fluorophenyl)-2,3dihydroacridin-4-(1H)-one (3b) were synthesized from 2-amino-2',5-dichlorobenzophenone (1a) and 2-amino-5-chloro-2'-fluor ... -
Synthesis, spectroscopic, in vitro cytotoxicity and crystal structures of novel fluorinated dispiroheterocycles: DFT approach
Satheeshkumar, Rajendran; Sayin, Koray; Kaminsky, Werner; Prasad, Karnam Jayarampillai Rajendra (SPRINGER WIEN, 2018)The reaction of azomethine ylide generated in situ from ninhydrin and sarcosine/thiaproline with fluorinated cyclopent[b]indole dipolarophiles in refluxing dioxane and methanol afforded a novel class of fluorinated ... -
Theoretical spectroscopic study of seven zinc(II) complex with macrocyclic Schiff-base ligand
Sayin, Koray; Kariper, Sultan Erkan; Sayin, Tuba Alagoz; Karakas, Duran (PERGAMON-ELSEVIER SCIENCE LTD, 2014)Seven zinc complexes, which are [ZnL1](2+), [ZnL2](2+), [ZnL3](2+), [ZnL4](2+), [ZnL5](2+), [ZnL6](2+) and [ZnL7](2+), are studied as theoretically. Structural parameters, vibration frequencies, electronic absorption spectra ... -
Theoretical study on the antitumor properties of Ru(II) complexes containing 2-pyridyl, 2-pyridine-4-carboxylic acid ligands
Kariper, Sultan Erkan; Sayin, Koray; Karakas, Duran (ELSEVIER SCIENCE BV, 2017)[Ru(bipy)(2)(CppH)](2+) (1), [Ru(bipy)(2)(Cpp-NH-Hex-COOH)](2+) (2), [Ru(dppz)(2)(CppH)](2+) (3) and [Ru(dppz)(2)(Cpp-NH-Hex-COOH)](2+) (4) were calculated by Hartree-Fock (HF), Density Functional Theory (DFT) hybrid B3LYP ... -
Unsymmetrical tripodal amines containing one pyridine-armed with N3O2-donor set: Coordination chemistry with zinc(II) and theoretical studies
Keypour, Hassan; Shayesteh, Maryam; Rezaeivala, Majid; Dhers, Sebastien; Sayin, Koray (ELSEVIER SCIENCE SA, 2018)The synthesis of two known unsymmetrical N-capped tripodal amines, 3-((2-aminoethyl)(pyridin-2-ylmethyl)amino)propan-1-ol (3) and 3-((3-aminopropyl)(pyridin-2-ylmethyl)amino)propan-1-ol (4) is reported. They feature a ...