Browsing by Author "Ozbek, Neslihan"
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Alkyl sulfonic acide hydrazides: Synthesis, characterization, computational studies and anticancer, antibacterial, anticarbonic anhydrase II (hCA II) activities
Ozdemir, Ummuhan O.; Ilbiz, Firdevs; Gunduzalp, Ayla Balaban; Ozbek, Neslihan; Genc, Zuhal Karagoz; Hamurcu, Fatma; Tekin, Suat (ELSEVIER SCIENCE BV, 2015)Methane sulfonic acide hydrazide, CH3SO2NHNH2 (1), ethane sulfonic acide hydrazide, CH3CH2SO2NHNH2 (2), propane sulfonic acide hydrazide, CH3CH2CH2SO2NHNH2 (3) and butane sulfonic acide hydrazide, CH3CH2CH2CH2SO2NHNH2 (4) ... -
Biologically active Schiff bases containing thiophene/furan ring and their copper(II) complexes: Synthesis, spectral, nonlinear optical and density functional studies
Gunduzalp, Ayla Balaban; Ozsen, Iffet; Alyar, Hamit; Alyar, Saliha; Ozbek, Neslihan (ELSEVIER SCIENCE BV, 2016)Schiff bases; 1,8-bis(thiophene-2-carboxaldimine)-p-menthane (L-1) and 1,8-bis(furan-2-carboxaldimine)-p-menthane (L-2) have been synthesized and characterized by elemental analysis, H-1-C-13 NMR, UV-vis, FT-IR and LC-MS ... -
Carbonic anhydrase inhibitors: Synthesis, characterization and inhibition activities of furan sulfonylhydrazones against carbonic anhydrase I (hCA I)
Gunduzalp, Ayla Balaban; Parlakgumus, Gokhan; Uzun, Demet; Ozmen, Ummuhan Ozdemir; Ozbek, Neslihan; Sari, Musa; Tunc, Tuncay (ELSEVIER SCIENCE BV, 2016)The methane sulfonic acide hydrazide (1) was used to obtain furan sulfonylhydrazones; 2acetylfuranmethanesulfonylhydrazone (2), 2-furaldehydemethanesulfonylhydrazone (3), 5-nitro-2furaldehydemethanesulfonylhydrazone (4). ... -
Characterization, antibacterial, anticarbonic anhydrase II isoenzyme, anticancer, electrochemical and computational studies of sulfonic acid hydrazide derivative and its Cu(II) complex
Ozdemir, Ummuhan O.; Aktan, Ebru; Ilbiz, Firdevs; Gunduzalp, Ayla B.; Ozbek, Neslihan; Sari, Musa; Celik, Omer (ELSEVIER SCIENCE SA, 2014)A new N'-acetyl butane sulfonic acid hydrazide, C4H9-SO2-NH-NH-COCH3 (Absh, an sulfonamide compound), and its Cu(II) complex [Cu(Absh)(2)(CH3COO)(2)], have been synthesized and characterized by elemental analysis, spectrometric ... -
Conformational analysis and nonlinear optical properties of the N, N '-pentamethylenebis(salicylideneiminato)manganase(II) complex
Alyar, Hamit; Alyar, Saliha; Ozbek, Neslihan (NATL INST OPTOELECTRONICS, 2012)Conformational analysis of the tricyclic Schiff base chelate complex N,N'- pentamethylenebis(salicylideneiminato)manganese(II) is performed by means of the molecular mechanic (MM+), semi-empirical PM3 and density functional ... -
Conformational analysis, vibrational and NMR spectroscopic study of the methanesulfonamide-N,N '-1,2-ethanediylbis
Alyar, Hamit; Unal, Arslan; Ozbek, Neslihan; Alyar, Saliha; Karacan, Nurcan (PERGAMON-ELSEVIER SCIENCE LTD, 2012)A conformational analysis of the methanesulfonamide-N,N'-1,2-ethanediylbis (msen) was performed by using vibrational and NMR spectroscopies as well as theoretical computations. The possible stable conformers of msen on its ... -
Experimental and computational study on 2,2 '-[(1E,2E)-hydrazine-1,2-diylidenedi(1E)eth-1-yl-1-ylidene]diphenol and its Ni(II), Pt(II), Pd(II) complexes
Alyar, Saliha; Ozbek, Neslihan; Yildirim, Sema Ozturk; Ide, Semra; Butcher, Ray J. (PERGAMON-ELSEVIER SCIENCE LTD, 2014)2,2'-[(1E,2E)-hydrazine-1,2-diylidenedi(1E)eth-1-yl-1-ylidene]diphenol and its dimeric, binuclear Ni(II), Pd(II) and Pt(1) metal complexes were synthesized. Hydrazine derivative and its complexes were characterized by ... -
Experimental and theoretical studies on methanesulfonic acid 1-methylhydrazide: Antimicrobial activities of its sulfonyl hydrazone derivatives
Ozbek, Neslihan; Alyar, Saliha; Karacan, Nurcan (ELSEVIER SCIENCE BV, 2009)Methanesulfonic acid 1-methylhydrazide (msmh) and its sulfonyl hydrazone derivatives, salicylaldehyde-N-methylmethanesulfonylhydrazone (salmsmh) and 2-hydroxy-1-naphthaldehyde-N-methylmethanesulfonylhydrazone (nafmsmh) ... -
New bioactive silver(I) complexes: Synthesis, characterization, anticancer, antibacterial and anticarbonic anhydrase II activities
Ozdemir, Ummuhan O.; Ozbek, Neslihan; Genc, Zuhal Karagoz; Ilbiz, Firdevs; Gunduzalp, Ayla Balaban (ELSEVIER SCIENCE BV, 2017)Silver(I) complexes of alkyl sulfonic acide hydrazides were newly synthesized as homologous series. Methanesulfonic acide hydrazide (L1), ethanesulfonic acide hydrazide (L2), propanesulfonic acide hydrazide (L3) and ... -
New nickel(II), palladium(II), platinum(II) complexes with aromatic methanesulfonylhydrazone based ligands. Synthesis, spectroscopic characterization and in vitro antibacterial evaluation
Ozdemir, Ummuhan O.; Akkaya, Nesrin; Ozbek, Neslihan (ELSEVIER SCIENCE SA, 2013)Methanesulfonicacid hydrazide (a sulfonamide compound, msh: CH3SO2NHNH2) derivatives: salicylalde hydemethanesulfonylhydrazone (salmsh), 2-hydroxyacetophenonemethanesulfonyl hydrazone (afmsh), 2-hydroxy-3-metoxybenzaldeh ... -
Quantitative structure-activity relationships studies for prediction of antimicrobial activity of synthesized disulfonamide derivatives
Alyar, Saliha; Ozbek, Neslihan; Kuzukiran, Kubra; Karacan, Nurcan (SPRINGER BIRKHAUSER, 2011)A new series of disulfonamides were synthesized and assayed as antimicrobial agents against Staphylococcus aureus, Bacillus cereus, and Escherichia coli. The quantitative structure-activity relationship analysis (QSAR) was ... -
Screening of novel chemical compounds as possible inhibitors of carbonic anhydrase and photosynthetic activity of photosystem II
Karacan, Mehmet Sayim; Zharmukhamedov, Sergei K.; Mamas, Serhat; Kupriyanova, Elena V.; Shitov, Alexandr V.; Klimov, Vyacheslav V.; Ozbek, Neslihan (ELSEVIER SCIENCE SA, 2014)Thirty novel chemical compounds were designed and synthesized expecting that they would be possible inhibitors. From this number eleven were organic bases, twenty-four were their organic derivatives and fourteen were metal ... -
Structure, antibacterial activity and theoretical study of 2-hydroxy-1-naphthaldehyde-N-methylethanesulfonylhydrazone
Ozbek, Neslihan; Kavak, Guelten; Ozcan, Yusuf; Ide, Semra; Karacan, Nurcan (ELSEVIER SCIENCE BV, 2009)2-Hydroxy-1-naphthaldehyde-N-methylethanesulfonylhydrazone was synthesized and its structure was investigated by X-ray diffraction. IR, NMR and mass spectroscopies. it crystallizes in the monoclinic system, space group ... -
Sulfonamide-derived hydrazone compounds and their Pd (II) complexes: Synthesis, spectroscopic characterization, X-ray structure determination, in vitro antibacterial activity and computational studies
Ozbek, Neslihan; Ozdemir, Ummuhan Ozmen; Altun, Ahmet Fazil; Sahin, Ertan (ELSEVIER, 2019)A new sulfonamide-derived prophane sulfonyl hydrazone compounds: 2-hydroxy- acetophenonepro-phanesulfonylhydrazone (afpsh), 5-Cl-2-hydroxyacetophenoneprophane sulfonylhydrazone (5-Clafpsh), 3,5-di-tert-butyl-2-hydroxyben ... -
Synthesis, characterization and anti-microbial evaluation of Cu(II), Ni(II), Pt(II) and Pd(II) sulfonylhydrazone complexes; 2D-QSAR analysis of Ni(II) complexes of sulfonylhydrazone derivatives
Ozbek, Neslihan; Alyar, Saliha; Alyar, Hamit; Sahin, Ertan; Karacan, Nurcan (PERGAMON-ELSEVIER SCIENCE LTD, 2013)Copper(II), nickel(II), platinum(II) and palladium(II) complexes with 2-hydroxy-1-naphthaldehyde-N-methylpropanesulfonylhydrazone (nafpsmh) derived from propanesulfonic acid-1 -methylhydrazide (psmh) were synthesized, their ... -
Synthesis, characterization and antimicrobial activity of m-toluenesulfonamide, N,N '-1,2-ethanediylbis (mtsen) and [Cu(II)(phenanthroline)(2)]mtsen complex
Alyar, Hamit; Alyar, Saliha; Unal, Arslan; Ozbek, Neslihan; Sahin, Ertan; Karacan, Nurcan (ELSEVIER SCIENCE BV, 2012)M-toluenesulfonamide, N,N'-1,2-ethanediylbis (a disulfonamide compound, mtsen) and [Cu(II)(phenanthroline)(2)]mtsen compounds were newly synthesized. The molecular structure of mtsen was investigated by using elemental ... -
Synthesis, characterization and antimicrobial activity of new butanesulfonamides
Ozbek, Neslihan; Alyar, Saliha; Karacan, Nurcan (PROUS SCIENCE, SA, 2007)… -
Synthesis, characterization, and antibacterial activity of the ligands including thiophene/furan ring systems and their Cu(II), Zn(II) complexes
Gunduzalp, Ayla Balaban; Ozbek, Neslihan; Karacan, Nurcan (SPRINGER BIRKHAUSER, 2012)Carboxamide complexes having general formula as [ML]Cl-2 center dot nH(2)O (where M = Cu(II), Zn(II); n = 0, 1/2) were synthesized using heterocyclic carboxamide ligands: 1,4-bis[3-(2-thiophenecarboxamido)propyl]piperazine ... -
Synthesis, characterization, and antimicrobial activity of copper(II) complexes with N,N '-propanediyl-bis-benzenesulfonamide and N,N '-ethanediyl-bis-2-methylbenzenesulfonamide
Alyar, Saliha; Ozbek, Neslihan; Iskeleli, Nazan Ocak; Karacan, Nurcan (SPRINGER BIRKHAUSER, 2013)Copper(II) complexes of new aryldisulfonamides (L (1) = N,N'-bis[(2-methylphenyl)sulfonyl]ethylenediamine) and L (2) = N,N'-propanediyl-bis-benzenesulfonamide with 1,10-phenanthroline have been synthesized and characterized ... -
Synthesis, characterization, antibacterial activity and quantum chemical studies of N '-Acetyl propane sulfonic acid hydrazide
Alyar, Saliha; Alyar, Hamit; Ozdemir, Ummuhan Ozmen; Sahin, Omer; Kaya, Kerem; Ozbek, Neslihan; Gunduzalp, Ayla Balaban (ELSEVIER SCIENCE BV, 2015)A new N'-Acetyl propane sulfonic acid hydrazide, C3H7-SO2-NH-NH-COCH3 (Apsh, sulfon amide compound) has been synthesized for the first time. The structure of Apsh was investigated using elemental analysis, spectral (IR, ...