Güncel Gönderiler: FEF, Kimya Bölümü Koleksiyonu
Toplam kayıt 483, listelenen: 421-440
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Novel 1,2,4-triazole substituted metallo-phthalocyanines: Synthesis, characterization and investigation of electrochemical and spectroelectrochemical properties
(Elsevier Science Bv, 2018)The phthalonitrile compound (3) and peripherally tetra substituted zinc(II) (4), nickel (II) (5), iron (II) (6), cobalt (II) (7) and copper (II) (8) phthalocyanines were synthesized for the first time in this study. the ... -
Non-peripherally tetra substituted lead(II), nickel(II) and copper(II) phthalocyanines bearing [1,2,3] triazole moeties: Synthesis, characterization and investigation of electrochemical and spectroelectrochemical properties
(Elsevier Science Bv, 2019)In this study, the synthesis and characterization of novel [1,2,3] triazole substituted phthalonitrile compound (3) and non-peripherally tetra 3-(2H-benzo[d][1,2,3]triazol-2-yl)-4-hydroxyphenethyl methacrylate substituted ... -
Effect of ethyl acetate extract of usnea longissima on esophagogastric adenocarcinoma in rats
(Acta Cirurgica Brasileira, 2019)Purpose: To investigate the effects of the EtOAc extract of U. longissima which is uninvestigated previously on esophagogastric cancer induced in rats with N-methyl-N-nitro-N-nitrosoguanidin (MNNG). Methods: the anticancer ... -
Synthesis, antioxidant and antiurease activities of some new 5,6-dichloro-2-(4-fluorobenzyl)-1H-benzimidazolle derivatives containing furan, oxadiazole, triazole and thiadiazole moieties
(Bentham Science Publ Ltd, 2019)Background: Benzimidazoles and its derivatives have been attracting interest for many years because of their biological activities. Benzimidazoles containing different heterocyclic moieties have wide range of biological ... -
Some edible forest fruits their in vitro antioxidant activities, phenolic compounds and some enzyme inhibition effects
(Parlar Scientific Publications (P S P), 2019)The purpose of the study was to analyze the potential health-promoting components of some edible forest species of fruits. These are Service tree (Sorbus domestica), Black rosehip (Rosa pimpinellifolia), Red rosehip (Rosa ... -
Novel triazole substituted phthalocyanines showing high singlet oxygen quantum yields
(Elsevier, 2019)In this study, novel triazole peripherally substituted phthalocyanine zinc(II) complexes 3(a-d) were synthesized from four different phthalonitrile derivative and characterized by FT-IR NMR, MALDI-TOF, UV-Vis methods. ... -
Investigation of a hybrid material and photophysical properties of rhodamine B in aqueous suspensions of cellulosic particles
(Editura Acad Romane, 2019)In this work, it was focused on the photophysical properties of Rhodamine B (Rh-B) dye compound in the rice husk (sawdust) suspensions (RHS), as well as the characterization of the hybrid material from Rh-B and rice husk ... -
Synthesis and biological evaluation of new 2,4,6-trisubstituted pyrimidines and their N-alkyl derivatives
(Academic Press Inc Elsevier Science, 2019)A series of new 2,4,6-trisubstituted pyrimidines and their N-alkyl bromide derivatives were prepared based upon methoxy substituted azachalcones as the starting materials. All newly synthesized compounds were screened for ... -
Synthesis, in vitro urease inhibition and molecular docking studies of some novel quinazolin-4(3H)-one derivatives containing triazole, thiadiazole and thiosemicarbazide functionalities
(Academic Press Inc Elsevier Science, 2019)A new series of quinazolinone derivatives containing triazole, thiadiazole, thiosemicarbazide functionalities was synthesized and then screened for their in vitro urease inhibition properties. Most of the compounds showed ... -
A convenient method for the synthesis of 3,4-dihydroquinazolines from iminoester hydrochlorides via microwave irradiation
(Sage Publications Ltd, 2019)This is work presents a simple and practical strategy for the synthesis of 2-substituted-3,4-dihydroquinazolines in which the ring closure reaction of 2-aminobenzylamine with corresponding iminoester hydrochlorides via ... -
Piperazine-azole-fluoroquinolone hybrids: Conventional and microwave irradiated synthesis, biological activity screening and molecular docking studies
(Academic Press Inc Elsevier Science, 2019)A series of new 1,2,4-triazole and 1,3,4-oxadiazole derivatives was obtained via several steps sequential reactions of phenyl piperazine. Then, these compounds were converted to the corresponding fluoroquinolone hybrids ... -
New chalcone derivatives with Schiff base-thiophene: Synthesis, biological activity, and molecular docking studies
(Maik Nauka/Interperiodica/Springer, 2019)New thiophene chalcones 3, 6 and thiophene Schiff base-chalcone derivatives 4a-4d, 7a-7d are synthesized. Structures of the compounds are confirmed by H-1 and C-13 NMR, and IR spectra. According to antimicrobial and ... -
Spectroscopic, Hirshfeld surface, X-ray diffraction methodologies and local & global chemical activity calculations of 5-(2-methoxy-4-(prop-1-en-1-yl)phenoxy)pyrazine-2,3-dicarbonitrile
(Elsevier, 2019)The new compound of 5-(2-Methoxy-4-(prop-1-en-1-yl)phenoxy)pyrazine-2,3-dicarbonitrile was synthesized and structure was characterized by using XRD, FT-IR and NMR techniques. All theoretical computations were calculated ... -
Phthalocyanines containing resorcinarene cavitands; synthesis and heavy metal ion extraction properties
(Editura Acad Romane, 2019)There are several studies about phthalocyanines containing resorcin[4]arene groups at literature. However, their heavy metal ion extraction properties are unknown. Therefore, the novel phthalocyanines containing tetra and ... -
Synthesis and characterization of ring-type and branched polymers including polyethylene glycols by "click" chemistry
(Springer International Publishing Ag, 2019)Synthesis of ring-type (or branched) polymers including polyethylene glycols was archived via "click" chemistry of 5,6-diazido-2-benzyl-1H-benzimidazole (Di-N-3) [or triazidoacetohydrazide derivative (Tri-N-3)] and terminally ... -
Synthesis of 5-methyl-2,4-dihydro-3H-1,2,4-triazole-3-one's aryl Schiff base derivatives and investigation of carbonic anhydrase and cholinesterase (AChE, BuChE) inhibitory properties
(Academic Press Inc Elsevier Science, 2019)Carbonic anhydrase enzymes (EC 4.2.1.1, CAs) are metalloenzyme families that catalyze the rapid conversion of H2O and CO2 to HCO3- and H+. CAs are found in different tissues where they participate in various significant ... -
Design, molecular docking and synthesis of novel 5,6-dichloro-2-methyl-1H-benzimidazole derivatives as potential urease enzyme inhibitors
(Academic Press Inc Elsevier Science, 2019)A novel series of 5,6-dichloro-2-methyl-1H-benzimidazole derivatives was synthesized and then screened for their urease inhibitory activity. All compounds showed more potent inhibitory activity in the range of IC50= 0.0294 ... -
A novel endo-β-1,4-xylanase from Pediococcus acidilactici GC25; purification, characterization and application in clarification of fruit juices
(Elsevier Science Bv, 2019)A novel extracellular xylanase was purified and characterized from Pediococcus acidilactici GC25 (GenBank number: MF289522). the purification was 4.6-fold with a yield of 43.61% through acetone precipitation, Q-Sepharose, ... -
Hydrothermally synthesized cobalt borophosphate as an electrocatalyst for water oxidation in the pH range from 7 to 14
(Wiley-V C H Verlag Gmbh, 2019)The synthesis of earth-abundant-metal-based, robust, efficient and cost-effective water oxidation electrocatalysts is necessary for renewable energy conversion processes. in this study, a crystalline cobalt borophosphate ... -
Noble metal nanoparticles supported on activated carbon: Highly recyclable catalysts in hydrogen generation from the hydrolysis of ammonia borane
(Academic Press Inc Elsevier Science, 2019)Noble metal nanoparticles including rhodium, ruthenium and palladium have been extensively used in catalysis field. Since their limited abundance and high cost, many methods have been developed to obtain highly active and ...
