Yazar "Yildirim, Ismail" için listeleme
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1-Methyl-5-(4-methylbenzoyl)-4-(4-methylphenyl)pyrimidine-2(1H)-thione
Dinçer, Muharrem; Koca, İrfan; Yildirim, Ismail; Özdemir, Namık (Blackwell Publishing, 2007)The title compound, C20H18N2OS, contains three rings that are not coplanar. The benzene rings make dihedral angles of 31.37 (8) and 68.84 (5)degrees with the pyrimidine ring, while the dihedral angle between the two benzene ... -
Experimental and DFT studies on a pyrimidine-thione derivative
Dinçer, Muharrem; Özdemir, Namık; Koca, İrfan; Yildirim, Ismail (Int Union Crystallography, 2010)… -
An experimental and theoretical approach to molecular structure of 4-benzoyl-5-phenyl-1-p-methoxyphenyl-1H-pyrazole-3-carboxylic acid methanol solvate
Demir, Sibel; Dincer, Muharrem; Korkusuz, Elif; Yildirim, Ismail (Elsevier Science Bv, 2010)The title compound, 4-benzoyl-5-phenyl-1-p-methoxyphenyl-1H-pyrazole-3-carboxylic acid (C(24)H(18)N(2)-O(4)), was prepared from the reaction of 4-methoxyphenylhydrazine with 4-benzoyl-5-phenyl-2,3-dihy-dro-2,3-furandione, ... -
An experimental and theoretical study on concomitant polymorphism of a dithiocarbonimidates derivate in a single space group
Inkaya, Ersin; Dincer, Muharrem; Sahan, Emine; Korkusuz, Elif; Yildirim, Ismail; Büyükgüngör, Orhan (Elsevier, 2013)The title organic dithiocarbonimidates derivate crystallizes in two different polymorphic modifications. The conformational differences between the two crystalline modifications lead to differences in crystal packing and ... -
Methyl 2-methoxy-7-(4-methylbenzoyl)-4-oxo-6-p-tolyl-4H-furo[3,2-c]pyran-3-carboxylate: A combined experimental and theoretical investigation
Özdemir, Namık; Dinçer, Muharrem; Koca, İrfan; Yildirim, Ismail; Büyükgüngör, Orhan (Springer, 2009)The title compound, methyl 2-methoxy-7-(4-methylbenzoyl)-4-oxo-6-p-tolyl-4H-furo[3,2-c]pyran-3-carboxylate (C25H20O7), was prepared and characterized by IR and single-crystal X-ray diffraction (XRD). The compound crystallizes ... -
Molecular structure and vibrational and chemical shift assignments of 6-(2-hydroxyethyl)-2,3,4-triphenyl-2,6-dihydro-7H-pyrazolo[3,4-d]pyridazin-7-one by DFT and ab initio HF calculations
Demir, Sibel; Dincer, Muharrem; Sahan, Emine; Korkusuz, Elif; Yildirim, Ismail (Elsevier Science Bv, 2011)The molecular geometry, vibrational frequencies, gauge including atomic orbital (CIAO) H-1 and C-13 chemical shift values and several thermodynamic parameters of 6-(2-hydroxyethyl)-2,3,4-triphenyl-2,6-dihydro-7H-pyrazolo ... -
Molecular structure of 4-benzoyl-3-ethylcarboxylate 1-(4-methoxyphenyl)-5-phenyl-1H-pyrazole: A combined experimental and theoretical study
Inkaya, Ersin; Dincer, Muharrem; Korkusuz, Elif; Yildirim, Ismail (Elsevier, 2012)The title molecule, 4-benzoyl-3-ethylcarboxylate 1-(4-methoxyphenyl)-5-phenyl-1H-pyrazole, (C26H22N2O4), was synthesized and characterized by IR-NMR spectroscopy and single-crystal X-ray diffraction. In addition to the ... -
Structure of 5-benzoyl-4-phenyl-2-chloropyrimidine studied by X-ray diffraction, DFT calculations, NMR and FT-IR spectra
Inkaya, Ersin; Dincer, Muharrem; Sahan, Emine; Yildirim, Ismail; Büyükgüngör, Orhan (Elsevier, 2012)In this work, 5-benzoyl-4-phenyl-2-chloropyrimidine (5B4P2CP) (C17H11ClN2O), was characterized by X-ray single crystal diffraction technique (XRD), IR-NMR spectroscopy and quantum chemical computational methods as both ... -
Studies on the reactions of cyclic oxalyl compounds: Synthesis and thermolysis of 2,3-dihydro-4-(4-methylbenzoyl)-5-(4-methylphenyl)-furan-2,3-dione and its N-reactions with nucleophiles
Yildirim, Ismail; Koca, Irfan; Dincer, Muharrem (Chem Soc Pakistan, 2008)Oxalyl chloride combines with 1,3-bis(4-methylphenyl) propane-1,3-dione to afford novel titled compound furan-2,3-dione 1, whose synthesis, X-ray structure analysis and some reactions are reported. Thermolysis is supposed ... -
Synthesis, spectroscopic and structural characterization of 5-benzoyl-4-phenyl-2-methylthio-1H-pyrimidine with theoretical calculations using density functional theory
Inkaya, Ersin; Dincer, Muharrem; Sahan, Emine; Yildirim, Ismail (Pergamon-Elsevier Science Ltd, 2013)In this paper, we will report a combined experimental and theoretical investigation of the molecular structure and spectroscopic parameters (FT-IR, H-1 NMR, C-13 NMR) of 5-benzoyl-4-phenyl-2-methylthio-1H-pyrimidine. The ... -
Synthesis, spectroscopic characterization and quantum chemical computational studies on 1-acetyl-3,5-di(4-methylphenyl)-1H-pyrazole
Inkaya, Ersin; Dincer, Muharrem; Korkusuz, Elif; Yildirim, Ismail; Büyükgüngör, Orhan (Elsevier, 2012)The pyrazole compound 1-acetyl-3,5-di(4-methylphenyl)-1H-pyrazole, (C19H18N2O), was characterized by X-ray single crystal diffraction technique, IR-NMR spectroscopy and quantum chemical computational methods as both ...