A5015194574- Synthesis and biological activity
- Metal complexes synthesis and properties
- Inorganic and Organometallic Chemistry
- Synthesis and Characterization of Heterocyclic Compounds
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Free Radicals and Antioxidants
- Nonlinear Optical Materials Research
- Organometallic Compounds Synthesis and Characterization
- Multicomponent Synthesis of Heterocycles
- Ferrocene Chemistry and Applications
- Polymer composites and self-healing
- Pesticide and Herbicide Environmental Studies
- Synthesis and Biological Evaluation
- Nuts composition and effects
- Conducting polymers and applications
- Photopolymerization techniques and applications
- Synthesis of Organic Compounds
- Dyeing and Modifying Textile Fibers
- Plant Disease Management Techniques
- Silicone and Siloxane Chemistry
- Polymer Nanocomposites and Properties
- Advanced Polymer Synthesis and Characterization
Istanbul University-Cerrahpaşa
2019-2024
Istanbul University
2011-2018
University of Karachi
2018
International Center for Chemical and Biological Sciences
2018
A series of 4-chloro-2-[(arylmethylidene)amino]phenols (1–11) including methoxy group were synthesized using appropriate synthetic route. The structures the Schiff bases characterized by FT-IR, UV-Vis, ESI-MS, 1H and 13C-NMR spectroscopic techniques analytical methods. relation is observed between melting points existence intramolecular hydrogen bonding. IR spectra compounds not bonding compared. 2 4 show characteristic UV bands attributed to NH-forms. According 1H-NMR spectral data compound...
Two new salicyl based Schiff bases derived from 3,5-dichlorosalicylaldehyde and 4-(chloro/tert-butyl)-2-aminophenols (H2L1 H2L2) their complexes with cobalt(II), nickel(II), copper(II), zinc(II), palladium(II), {[M(Ln)(H2O)]∙xH2O, M(II) = Co(II) (n 1, 2; x 1), Ni(II) n 2, 0), Cu(II) Zn(II) 0); K[Pd(Ln)Cl]; 2}, were synthesized characterized. The structural characteristics of the examined by means elemental analysis, molar conductivity, magnetic moment, thermogravimetric analysis (TGA),...
In this study, synthesis and polymerization of epoxidized methacrylated castor oil (EMETCO) is demonstrated. EMETCO synthesized in two steps. Castor (CO) with methacryloyl chloride at the first step. Then (METCO) by Prilezhaev reaction. Structure determined 1 H NMR IR techniques. was copolymerized acrylic acid (AA), styrene (ST), methacrylic (MA). Thermal mechanical properties polymers are evaluated. Among EMETCO‐ST‐MA polymer gives highest storage modulus 2.25 GPa. On other hand, EMETCO‐AA...
Abstract A series of N ‐(5‐chloro‐2‐hydroxyphenyl)‐(3/4/5‐substituted)‐salicylaldimines ( I – XI ) were synthesized using appropriate synthetic route. Their structures characterized by FT‐IR, UV‐Visible, ESI‐MS, 1 H and 13 C NMR spectroscopic techniques analytical methods. The crystal structure ‐(5‐chloro‐2‐hydroxyphenyl)‐5‐bromosalicylaldimine V was determined X‐ray diffraction at room temperature. Relationship between the melting points compounds examined. Antimicrobial activity evaluated...
Cr(III), Fe(II), Fe(III), Co(II), Ni(II), Cu(II), Zn(II) complexes of N-(5-chloro-2-hydroxyphenyl)-3-methoxy-salicylaldimine (H2L), an ONO type tridentate ligand, were synthesized and characterized by elemental analysis, magnetic moment, molar conductivity, TGA, NMR, IR, UV-vis. ESI-MS spectral techniques. All the except [Zn(L)(H2O)2] are paramagnetic. The CoCl2 gives a complex with 1:2 M:L ratio while others form 1:1 non-ionic H2L. ligand coordinated to metal ions through both OH oxygen...
Abstract A series of N ‐(5‐methyl‐2‐hydroxyphenyl)‐(2/3/4/5‐substituted)‐benzaldimines ( I – XIII ) were synthesized using appropriate synthetic route. Their structures characterized by FT‐IR, UV‐Visible, ESI‐MS, 1 H‐ and 13 C‐NMR spectroscopic techniques analytical methods. The crystal structure ‐(5‐methyl‐2‐hydroxyphenyl)‐3,4‐dimethoxybenzaldimine was determined X‐ray diffraction at room temperature. Relationship between the melting points compounds examined. Antibacterial activities...
MnCl2, FeCl3, Ru(DMSO)4Cl2, CoCl2, NiCl2, PdCl2, CuCl2, AgNO3, CdCl2 and HgCl2 complexes of 2-(5-nitro-1H-benzimidazol-2-yl)-4-bromophenol (HL) were synthesized characterized. The structures the confirmed on basis elemental analysis, TGA, molar conductivity magnetic moment measurements, FT-IR, far-IR, FT-Raman, UV-Visible, NMR fluorescence spectroscopy. According to analytical spectral data, ligand acted as bidentate, via imine nitrogen phenolate oxygen atoms towards metal ions except Ag(I)....
Abstract 1,3‐Bis(1 H ‐benzimidazol‐2‐yl)‐2‐oxapropane ( L ) complexes with Fe(NO 3 , CoCl 2 Co(NO Ni(NO CuCl Cu(ClO 4 PdCl CdI Hg(NO were synthesized and characterized by elemental analysis, molar conductivity, magnetic moment, TGA, FT‐IR, NMR, ESI‐MS, fluorescence spectroscopy. Also, the crystal structure of 1,3‐bis(1 ‐benzimidazol‐2‐yl)‐2‐oxapropane]dichlorocobalt(II), [Co( )Cl ], complex is reported that it has distorted trigonal bipyramidal geometry. Antibacterial activities compounds...
1,2-Bis(5-methyl/chloro-1H-benzimidazol-2-yl)ethanols (1 and 2), asymmetric bis-benzimidazoles, their complexes with CoCl2, PdCl2 ZnCl2 were synthesized characterized by elemental analysis, molar conductivity, magnetic moment, TGA, FT-IR (mid- far-IR), FT-Raman, 1Hand 13C-NMR spectroscopy, ESI-MS fluorescence spectroscopy. The spectral data suggest that the chiral chelating ligands acted as tridentate through both C=N nitrogen OH oxygen atoms. According to conductance, Zn(II) are...
Abstract Four Schiff bases, (3/4/2/4)‐{[(2‐hydroxy‐5‐methylphenyl)imino]methyl}benzene‐1,2/1,3/1,4/1,2‐diols ( H 3 L 1 ‐ 4 ), derived from 2,3/2,4/2,5/3,4‐dihydroxybenzaldehydes and 2‐amino‐4‐methylphenol, their CoCl 2 , PdCl CuCl ZnCl complexes were synthesized characterized. The structures of the suggested on basis elemental analysis, TGA, molar conductivity, magnetic moment, FT‐IR, UV‐vis NMR spectroscopy. According to analytical spectral data, ligands acted as tridentate, giving chelate...
N-(2-{[(2E)-2-(2-hydroxybenzylidene)hydrazinyl]carbonyl}phenyl)benzamide (HL) and its Co(II), Fe(III), Cu(II) Zn(II) perchlorate complexes were synthesized. The structures of HL confirmed on the basis elemental analysis FT-IR, FT-Raman, 1H-NMR spectra. TGA, magnetic moment molar conductivity measurements carried out for complexes. In addition, crystal structure was determined by X-ray diffraction at room temperature. It crystallizes in monoclinic, space group C2/c Z=4. has an interesting due...
A new bis-benzimidazole ligand, 1,5-bis(6-chloro-1H-benzimidazol-2-yl)pentan-3-one (L, C19H16Cl2N4O), and its complexes with Fe(III), Co(II), Cu(II), Zn(II) Ru(II) chlorides are synthesized characterized by elemental analysis, molar conductivity, magnetic moment, TGA, FT-IR, 1H-NMR, fluorescence UV-visible spectroscopy. The spectral data suggest that the chelating ligand acted as tridentate towards to Cu(II) ion however bidentate in other complexes. According conductance data,...
2-(5-Bromo-1H-benzimidazol-2-yl)-3'/4'/5'-substituted-phenols (HL1 – HL25) were synthesized and characterized using various spectroscopic techniques. Then, Fe(III), Co(II), Ni(II), Cu(II), Zn(II), Ru(III) complexes of 2-(5-bromo-1H-benzimidazol-2-yl)phenol (HL1) prepared the methods such as elemental analysis, thermogravimetric analysis (TGA), molar conductivity magnetic moment measurements, FT-IR, fluorescence NMR spectroscopy used to make suggestions about structures complexes. It is...
An ONO tridentate Schiff base derived from 3,5-dichlorosalicylaldehyde and 2-amino-4-methylphenol (H2L) its complexes with VO(II), Fe(III), Co(II), Ni(II), Cu(II), Zn(II), Pd(II) Hg(II) were synthesized characterized. The structures of the confirmed by means elemental analysis, molar conductivity, magnetic moment, UV-visible, fluorescence, FT-IR NMR spectroscopy. M:L ratio is 1:2 in Fe(III) Co(II) whereas 1:1 other complexes. It was observed that complex ionic while others are non-ionic...
A series of new 7-substitued-4H-1,3,4-thiadiazolo[2,3-c][1,2,4]- triazin-4-oneswere synthesized in good yields by the reaction 4-amino-3- mercapto-1,2,4-triazin-5(4H)-one with various aromatic carboxylic acids presence phosphorus oxychloride. All compounds were confirmed FT-IR, NMR (1H and 13C), ESI-MS spectroscopic techniques analytical methods.
In this study, polymerization and characterization of trisalicyl borate (TSB) with epoxidized soybean oil (ESO) was evaluated. Synthesis TSB is involved by the reaction between boric acid salicylic at first step reaction. Then polymerized ESO 95 ℃ for 6 hours. All compounds synthesized were characterized FTIR 1H NMR techniques. Characteristic bands boron esters appeared 1644, 1610, 1578, 1472, 1276, 784, 757, 656, 530 cm-1. technique indicated that hydrogens free carboxyl groups revealed...
5,6-Dichloro/dimethyl-2-(2´,3´/2´,4´/2´,5´/3´,4´/3´,5´-dimethoxyphenyl)-1H-benzimidazoles were synthesized and characterized by using analytical data, FT-IR, FT-Raman, NMR, ESI-MS fl uorescence spectroscopy.The optimized molecular geometry, zero point energy, dipole moment, ESE, band gap charge distributions calculated Gaussian 09 Density Functional Theory (DFT, RB3LYP) with 6-31++G(d,p) basis set.According to the calculations, molecules have structures various torsion angles between...
Dyeability of ten Schiff bases obtained from 4-chloroaminophenol and various benzaldehydes including methyl, chloro, bromo, nitro, methoxy hydroxy groups was investigated on polyester, wool, cotton fibers. The dry/wet rubbing washing fastness the compounds were measured. It is observed that values are varying at 4 – 5 range (1: weak, 5: excellent). lightness (L), red-greenness (a) yellow-blueness (b) properties also investigated. dyeing change depending substituent positions effect wool...
2-[4,6-{Dichloro/dimethyl/bis-(trifluoromethyl)}-benzimidazol-2-yl]-(5-bromo/methoxy)-phenols (HL1 – HL6) and their complexes with ZnCl2, PdCl2 AuCl3 were synthesized characterized. The structures of the confirmed on basis elemental analysis, molar conductivity, FT-IR, NMR fluorescence spectroscopy. Most are four-coordinated a 1:2 M:L ratio Au(III) 1:1 electrolyte whereas others non-electrolyte. According to spectra, electronegative substituents such as bromo, chloro, trifluoromethyl methoxy...