Browsing by Author "Alpaslan, Yelda Bingol"
Now showing items 1-19 of 19
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1,2,4-triazole derivative with Schiff base; thiol-thione tautomerism, DFT study and antileishmanial activity
Suleymanoglu, Nevin; Ustabas, Resat; Direkel, Sahin; Alpaslan, Yelda Bingol; Unver, Yasemin (Elsevier, 2017)Thiol-thione tautomerism of 1,2,4-triazole derivative with Schiff base was investigated by spectro-scopic methods and quantum mechanical calculations. Theoretical study of thiol-thione tautomeric forms of 1,2,4-triazole ... -
1,2,4-triazole derivatives with morpholine; DFT study and antileishmanial activity
Suleymanoglu, Nevin; Ustabas, Resat; Direkel, Sahin; Alpaslan, Yelda Bingol; Unver, Yasemin (Canadian Science Publishing, Nrc Research Press, 2018)1,2,4-triazole derivatives with morpholine; 4-((3-methylthiophene-2-yl) methylenamino)-1-((4-(3-methylthiophene-2-yl) methylene amino)-1-(morpholinomethyl)-5-thioxo-4,5-dihydro-1H-1,2,4-triazole-3-yl) methyl)-3-(thiophen ... -
1-[(E)-(2-Methyl-3-nitrophenyl)iminomethyl]-2-naphthol
Alpaslan, Yelda Bingol; Agar, Aysen Alaman; Isik, Samil (Wiley-Blackwell, 2010)The title Schiff base compound, C18H14N2O3, has an intermediate state between NH and OH tautomers. The molecular structure is stabilized by an O-H center dot center dot center dot N hydrogen bond. The dihedral angle between ... -
Experimental (C-13 NMR, H-1 NMR, FT-IR, single-crystal X-ray diffraction) and DFT studies on 3,4-bis(isoproylamino)cyclobut-3-ene-1,2-dione
Suleymanoglu, Nevin; Ustabas, Resat; Alpaslan, Yelda Bingol; Eyduran, Fatih; Ozyurek, Cengiz; Iskeleli, Nazan Ocak (Pergamon-Elsevier Science Ltd, 2011)In this work, 3,4-bis(isoproylamino)cyclobut-3-ene-1,2-dione C10H16N2O2 (I), was synthesized and characterized by C-13 NMR, H-1 NMR, FT-IR. UV-vis spectroscopy and single-crystal X-ray diffraction. DFT method with 6-31G(d,p) ... -
Experimental and density functional theory studies on (E)-2-[(2-(hydroxymethyl)phenylimino)methyl]benzene-1,4-diol
Alpaslan, Yelda Bingol; Alpaslan, Gokhan; Agar, Aysen Alaman; Iskeleli, Nazan Ocak; Oztekin, Emin (Elsevier Science Bv, 2011)The Schiff base compound (E)-2-[(2-(hydroxymethyl)phenylimino)methyllbenzene-1,4-diol has been synthesized and characterized by H-1 NMR, C-13 NMR, IR, UV-Vis and single-crystal X-ray diffraction. Molecular geometry of the ... -
Experimental and Semi-Empirical and DFT Calculational Studies on (E)-2-[(2,4-Dichlorophenylimino) methyl]-p-cresol
Alpaslan, Yelda Bingol; Suleymanoglu, Nevin; Oztekin, Emin; Ersahin, Ferda; Agar, Erbil; Isik, Samil (Springer/Plenum Publishers, 2010)The molecular and crystal structure of the title compound, C14H11Cl2NO, has been determined by X-ray single crystal diffraction technique The compound crystallizes in the orthorhombic, space group Pbca with unit cell ... -
Experimental and theoretical investigation of the molecular and electronic structure of 3-ethoxy-4-isopropylaminocyclobut-3-ene-1,2-dione
Suleymanoglu, Nevin; Ustabas, Resat; Alpaslan, Yelda Bingol; Eyduran, Fatih; Iskeleli, Nazan Ocak (Pergamon-Elsevier Science Ltd, 2012)The title compound, 3-ethoxy-4-isopropylaminocyclobut-3-ene-1,2-dione (EIAC) has been synthesized and characterized by NMR, FT-IR, UV-vis spectroscopy and single-crystal X-ray diffraction. The H-1 NMR spectra were recorded ... -
Experimental and theoretical studies of the molecular structure of 4-(3-(1H-imidazol-1-yl)propyl)-5-p-tolyl-2H-1,2,4-triazol-3(4H)-one
Ustabas, Resat; Suleymanoglu, Nevin; Tanak, Hasan; Alpaslan, Yelda Bingol; Unver, Yasemin; Sancak, Kemal (Elsevier, 2010)The triazol-imidazol compound, 4-(3-(1H-imidazol-1-yl)propyl)-5-p-tolyl-2H-1,2,4-triazol-3(4H)-one (3), (C15H17N5O), was prepared and characterized by H-1 NMR, C-13 NMR, IR and single-crystal X-ray diffraction. By using ... -
Isolation, characterization, spectroscopic properties and quantum chemical computations of an important phytoalexin resveratrol as antioxidant component from Vitis labrusca L. and their chemical compositions
Guder, Aytac; Korkmaz, Haul; Gokce, Halil; Alpaslan, Yelda Bingol; Alpaslan, Gokhan (Pergamon-Elsevier Science Ltd, 2014)In this study, isolation and characterization of trans-resveratrol (RES) as an antioxidant compound were carried out from VLE, VLG and VLS. Furthermore, antioxidant activities were evaluated by using six different methods. ... -
Molecular structure, spectroscopic characterization and DFT calculations of a novel (Z)-1-[(2-Ethylphenylamino)methylene]naphthalene-2(1H)-one
Alpaslan, Yelda Bingol; Gokce, Halil; Macit, Mustafa; Alpaslan, Gokhan; Özdemir, Namık (Elsevier, 2015)A novel Schiff base compound (Z)-1-[(2-Ethylphenylamino)methylene]naphthalene-2(1H)-one was synthesized from the reaction of 2-hydroxy-1-naphthaldehyde with 2-ethylaniline. The structural properties of the compound have ... -
The new Schiff base 4-[(4-Hydroxy-3-fluoro-5-methoxy-benzylidene)amino]-1,5-dimethy1-2-phenyl-1,2-dihydro-pyrazol-3-one: Experimental, DFT calculational studies and in vitro antimicrobial activity
Iskeleli, Nazan Ocak; Alpaslan, Yelda Bingol; Direkel, Sahin; Erturk, Aliye Gediz; Suleymanoglu, Nevin; Ustabas, Resat (Pergamon-Elsevier Science Ltd, 2015)The synthesized Schiff base, 4-[(4-Hydroxy-3-fluoro-5-methoxy-benzylidene)amino1-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one (I), has been characterized by C-13 NMR, H-1 NMR, 2D NMR (H-1-H-1 COSY and C-13 APT), FT-IR, ... -
Spectroscopic characterization and density functional studies of (Z)-1-[(2-methoxy-5-(trifluoromethyl)phenylamino)methylene] naphthalene-2(1H)-one
Alpaslan, Yelda Bingol; Gokce, Halil; Alpaslan, Gokhan; Macit, Mustafa (Elsevier Science Bv, 2015)In the current work, the Schiff base compound (Z)-1-[(2-Methoxy-5-(trifluoromethyl)phenylamino)methylenelnaphthalene-2(1H)-one (I) has been characterized by using C-13 NMR, H-1 NMR, FT-IR and UV-vis spectroscopic techniques. ... -
Spectroscopic characterization and density functional studies of new thiadiazole 1,1-dioxide compounds
Alpaslan, Yelda Bingol; Suleymanoglu, Nevin; Ustabas, Resat; Erturk, Aliye Gediz; Gokce, Halil (Elsevier Science Bv, 2018)New thiadiazole compounds, 3-imino-4-(anthracene-9-yl)-1,2,5-thiadiazolidine 1,1-dioxide (I) and 3-imino-4-(10-chloroanthracene-9-yl)-1,2,5-thiadiazolidine 1,1-dioxide (II) were synthesized and characterized by Fourier ... -
Spectroscopic characterization and quantum chemical computations of the 5-(4-pyridyl)-1H-1,2,4-triazole-3-thiol molecule
Gokce, Halil; Ozturk, Nuri; Tasan, Musfik; Alpaslan, Yelda Bingol; Alpaslan, Gokhan (Taylor & Francis Inc, 2016)The Fourier transform infrared, laser-Raman, proton and carbon-13 nuclear magnetic resonance chemical shifts, and Ultraviolet (UV)-Visible spectra of the 5-(4-pyridyl)-1H-1,2,4-triazole-3-thiol molecule have been experimentally ... -
Structural, spectroscopic, radical scavenging activity, molecular docking and DFT studies of a synthesized Schiff base compound
Gokce, Halil; Alpaslan, Yelda Bingol; Zeyrek, Celal Tugrul; Agar, Erbil; Guder, Aytac; Özdemir, Namık; Alpaslan, Gokhan (Elsevier, 2019)A synthesized Schiff base, (E)-4-nitro-2-[(o-tolylimino)methyl]phenol (L), was prepared and characterized by FT-IR, single crystal X-Ray diffraction, NMR chemical shift and UV-Vis. spectroscopic techniques. Theoretical ... -
Synthesis, crystal structures and theoretical calculations of new 1-[2-(5-chloro-2-benzoxazolinone-3-yl)acetyl]-3,5-diphenyl-4,5-dihydro-(1H)-pyrazoles
Goksen, Umut Salgin; Alpaslan, Yelda Bingol; Kelekci, Nesrin Gokhan; Isik, Samil; Ekizoglu, Melike (Elsevier Science Bv, 2013)1-[2-(5-Chloro-2-benzoxazolinone-3-yl)acetyl]-3-phenyl-5-(3-methoxyphenyl)-4,5-dihydro-(1H)-pyrazole (5a), 1-12-(5-chloro-2-benzoxazolinone-3-yl)acetyl]-3-phenyl-5-(3,4-dimethoxyphenyl)-4,5-dihydro-(1H)-pyrazole (5b) and ... -
Synthesis, spectroscopic characterization and computational studies of (Z)-1-((5,6,7,8-tetrahydronaphthalen-1-ylamino)methylene)naphthalen-2(1H)-one
Alpaslan, Gokhan; Macit, Mustafa; Alpaslan, Yelda Bingol; Büyükgüngör, Orhan (Elsevier Science Bv, 2013)The Schiff base compound (Z)-1-((5,6,7,8-tetrahydronaphthalen-1-ylamino)methylene)naphthalen-2(1H)-one has been synthesized and characterized by IR, UV-Vis and single-crystal X-ray diffraction. The title compound exist as ... -
Synthesis, spectroscopic characterization, calculational studies and in vitro antitumoral activity of 4-(3-(1H-imidazol-1-yl)propyl)-(thiophen-2-ylmethyl)-1H-1,2,4-triazol-5(4H)-one
Suleymanoglu, Nevin; Ustabas, Resat; Alpaslan, Yelda Bingol; Unver, Yasemin; Turan, Mustafa; Sancak, Kemal (Elsevier, 2011)4-(3-(1H-imidazol-1-yl)propyl)-(thiophen-2-ylmethyl)-1H-1.2,4-triazol-5(4H)-one (IPTT), C13H15N5OS, was synthesized and characterized by C-13 NMR, H-1 NMR, IR and single-crystal X-ray diffraction. The structure of IPTT is ...
