Güncel Gönderiler: FEF, Kimya Bölümü Koleksiyonu
Toplam kayıt 455, listelenen: 341-360
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Investigation of a wild pear species (Pyrus elaeagnifolia subsp Elaeagnifolia Pallas) from Antalya, Turkey: polyphenol oxidase properties and anti-xanthine oxidase, anti-urease, and antioxidant activity
(Taylor & Francis Inc, 2017)Polyphenol oxidase properties and anti-xanthine oxidase, anti-urease, and antioxidant activity were investigated in Pyrus elaeagnifolia subsp. elaeagnifolia Pallas harvested from Antalya, Turkey. Optimum pH and temperature ... -
Polyphenol oxidase properties, anti-urease, and anti-acetylcholinesterase activity of Diospyros lotus L. (Plum Persimmon)
(Taylor & Francis Inc, 2017)Diospyros lotus fruit polyphenol oxidase was purified using affinity chromatography, resulting in a 15-fold enrichment in specific activity. the purified enzyme, having 16.5 kDa molecular weight on sodium dodecyl ... -
Microwave-assisted synthesis of benzimidazoles and their derivatives from 1994 to 2016-A review
(Bentham Science Publ Ltd, 2017)Background: the use of microwave irradiation is an important development for the synthesis of benzimidazoles in the 21st century, and in recent years, microwave-assisted heterocyclic synthesis has gained significant attention ... -
Mıcrowave-assısted synthesıs of some nıtro-benzımıdazoles and theır salıcyl and ısatın schıff bases
(Chem Soc Ethiopia, 2017)A series of 5-nitrosubstituted benzimidazole and 6-nitro substituted benzimidazole derivatives were synthesized starting from iminoester hydrochloride and 4-nitro-o-phenylenediamine under microwave irradiation. the structure ... -
Copper(II) complexes with pyridine-2,6-dicarboxylic acid from the oxidation of copper(I) iodide
(Taylor & Francis Ltd, 2017)Via an oxidation reaction of Cu(I) iodide with pyridine-2,6-dicarboxylic acid (H2L) in DMF three copper(II) complexes, [(CH3)(2)NH2](2)[CuL2] (1), K-2 [CuL2]center dot H2L center dot H2O(2) and [Cu(L)(H2O)](n) (3), were ... -
Biochemical properties of partially purified polyphenol oxidase and phenolic compounds of Prunus spinosa L. subsp dasyphylla as measured by HPLC-UV
(Taylor & Francis Inc, 2017)Polyphenol oxidase (PPO) enzyme was extracted from Prunus spinosa L. subsp. dasyphylla plum, partially purified by acetone precipitation, and its biochemical properties were investigated. Different substrates (p-coumaric ... -
Synthesis and characterization of two new hydroxamic acids derivatives and their metal complexes. An investigation on the keto/enol, E/Z and hydroxamate/hydroxirnate forms
(Elsevier Science Bv, 2017)2-phenylbenzimidazole-N-acetohydroxamic acid (HL1), 2-phenylbenzimidazole-N-butanohydroxamic acid (HL2) and Ni(II), Cu(II), Zn(II) and Cd(II) metal complexes have been synthesized and characterized by elemental analyses, ... -
New pyridine derivatives as antiurease inhibitors: Synthesis and their evaluation for antimicrobial activities
(Editura Acad Romane, 2017)6-Morpholin-4-ylpyridin-3-amine (3) gathered starting from morpholine by two steps was converted into the corresponding arylidenehydrazides through the reaction with several aromatic aldehydes. the treatment of compound 3 ... -
Detection of Fe2+ in acetonitrile/water mixture by new 8-hydroxyquinolin based sensor through metal displacement mechanism
(Elsevier Science Bv, 2017)A 8-hydroxyquinoline-based (8-HQ) fluorescent ligand (2) was designed and synthesized by condensation of pyridine-2-carboxaldehide with 2-(quinolin-8-yloxy)acetohydrazide (1). Fluorometric titrations with various metal ... -
Effect of augenol group and central metal Ion on fastness and antibacterial properties of metallophthalocyanines printed on cotton fabric
(Amer Assoc Textile Chemists Colorists-Aatcc, 2017)The main objective of this study is to investigate the effect of eugenol group substitutions (tetra and octa) on fastness and antibacterial properties of metallophthalocyanines printed on cotton fabric. Eugenol-substituted ... -
Solvent free utilization and selective coupling of epichlorohydrin with carbon dioxide over zirconium metal-organic frameworks
(Elsevier Science Bv, 2017)Ui0 type zirconium metal-organic frameworks (MOFs) have been successfully applied to the synthesis of cyclic carbonates from CO2 and epoxides without using any solvent. All prepared MOFs are good catalysts for the cycloaddition ... -
Gram (-) microorganisms DNA polymerase inhibition, antibacterial and chemical properties of fruit and leaf extracts of Sorbus acuparia and Sorbus caucasica var. yaltirikii
(Wiley, 2017)Investigation of novel plant-based agents might provide alternative antibiotics and thus fight antibiotic resistance. Here, we measured the ability of fruit and leaf extracts of Sorbus aucuparia (Sauc) and endemic Sorbus ... -
A new fluorescent "turn-off" coumarin-based chemosensor: Synthesis, structure and Cu-selective fluorescent sensing in water samples
(Springer/Plenum Publishers, 2017)We report the synthesis and characterization two coumarin-based fluorescence probes, N'-{[7-(diethylamino)-2-oxo-2H-chromen-3-yl]carbonyl}pyridine-3-carbohydrazide (3) and N'-benzoyl-7-(diethylamino)-2-oxo-2H-chromene-3- ... -
Synthesis and molecular docking study of some 5,6-dichloro-2cyclopropyl-1H-benzimidazole derivatives bearing triazole, oxadiazole, and imine functionalities as potent inhibitors of urease
(Pergamon-Elsevier Science Ltd, 2017)A new series of benzimidazole compounds including hydrazinecarbothioamide, 1,2,4-triazole, 1,3,4-oxadiazole and imine function were synthesized starting from 5,6-dichloro-2-cyclopropyl-1H-benzimidazole. All of the benzimidazole ... -
Design, synthesis, and biological evaluation of coumarin-triazole hybrid molecules as potential antitumor and pancreatic lipase agents
(Wiley-V C H Verlag Gmbh, 2017)The design, synthesis, and investigation of antitumor and anti-lipase activities of some coumarin-triazole hybrid molecules are reported. the synthesis of these hybrid molecules was performed under microwave irradiation ... -
Phthalocyanine and azaphthalocyanines containing eugenol: synthesis, DNA interaction and comparison of lipase inhibition properties
(Indian Acad Sciences, 2017)Novel eugenol-substituted zinc(II) azaphthalocyanines (ZnAzaPcs) were synthesised and their lipase inhibition and DNA binding properties compared with phthalocyanines (Pcs) containing eugenol. This is the first study on ... -
Synthesis, characterization and investigation of electrochemical and spectroelectrochemical properties of peripherally tetra 4-phenylthiazole-2-thiol substituted metal-free, zinc(II), copper(II) and cobalt(II) phthalocyanines
(Elsevier Science Bv, 2017)In this study novel peripherally tetra 4-phenylthiazole-2-thiol substituted metal-free phthalocyanine (4) and its zinc(II) (5), copper(II) (6) and cobalt(II) (7) derivatives were synthesized and characterized by a combination ... -
Crystallographic, spectroscopic (FTIR and NMR) and quantum computational calculation studies on bis(2-methoxy-4-((E)-prop-1-enyl)phenyl)oxalate
(Elsevier Science Bv, 2017)In this paper, we report first, a new synthesis of bis(2-methoxy-4-((E)-prop-1-enyl)phenyl)oxalate, namely, C22H22O6, (I). Then, we present detailed FTIR, H-1 NMR,C-13 NMR spectroscopies and single-crystal X-ray diffraction ... -
Synthesis, characterization and investigation of electrochemical and spectroelectrochemical properties of non-peripherally tetra-5-methyl-1,3,4-thiadiazole substituted copper(II) iron(II) and oxo-titanium (IV) phthalocyanines
(Elsevier, 2017)In this study novel substituted phthalonitrile (3) and non-peripherally tetra 5-Methyl-1,3,4-thiadiazole substituted copper(II) (4), iron(II) (5) and oxo-titanium (IV) (6) phthalocyanines were synthesized. These novel ... -
Super absorbent, light, and highly flame retardant cellulose-based aerogel crosslinked with citric acid
(Wiley, 2017)Light (0.089-0.12 g cm(-3)), superabsorbent (84-99 g water/1 g aerogel), and highly flame retardant non-crosslinked cellulose aerogel (CA) and crosslinked cellulose aerogel (CL-CA) have been successfully produced from ...