Yazar "Yakan, Hasan" için listeleme
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Bazı sülfenamit türevlerinin mikrodalga yardımıyla sentezi / Hasan Yakan ; Danışman Halil Kütük.
Yakan, Hasan (Ondokuz Mayıs Üniversitesi, Fen Bilimleri Enstitüsü, 2014)… -
Characterization and Comparative Studies on Conventional and Microwave Synthesis of Some Disulfides
Karakullukcu, Nalan Turkoz; Yakan, Hasan; Ozturk, Seyhan; Kutuk, Halil (Taylor & Francis Ltd, 2013)Some disulfide derivatives have been prepared by microwave assisted synthesis methodology from thiophthalimides(sulfenimides) and thiols in a modified microwave oven under reflux at 600 Watt in ethanol. Elucidation of the ... -
Comparison of conventional and microwave-assisted synthesis of some new sulfenamides under free catalyst and ligand
Yakan, Hasan; Kutuk, Halil (Springer Wien, 2018)Sulfenamide and its derivatives (S-N bond) have been synthesized with classical method in the literature. However, microwave-assisted synthesis of a series of N-(substituted phenylthio), N-(benzylthio), N-(cyclothio), and ... -
Crystal and Molecular Structure of N-(Phenylthio)phthalimide(1)
Tanak, Hasan; Yakan, Hasan; Kutuk, Halil; Karakullukcu, Nalan Turkoz; Dege, Necmi (Pleiades Publishing Inc, 2018)The title compound N-(Phenylthio)phthalimide has been synthesized and characterized by FT-IR, NMR, and X-ray single-crystal determination. The compound crystallizes in the triclinic sp. gr. P & Unknown; with Z= 2. The title ... -
The Mechanisms of Acid-Catalyzed Hydrolysis of N-(4-Substituted Arylthio) Phthalimides
Kutuk, Halil; Yakan, Hasan (Taylor & Francis Ltd, 2011)The acid-catalyzed hydrolysis of N-(4-substitutedarylthio)phthalimides was studied in aqueous solutions of sulfuric, perchloric, and hydrochloric acids at 40.0 +/- 0.1 degrees C. Analysis of the data by the excess acidity ... -
N-(4-sübstitüeariltiyo) ftalimitlerin sentezi ve asit katalizli hidroliz mekanizması / Hakan Yakan; Danışman Halil Kütük
Yakan, Hasan (Ondokuz Mayıs Üniversitesi, Fen Bilimleri Enstitüsü, 2008)Bu çalışmada N-(feniltiyo)ftalimit,N-(-p-Metilfeniltiyo)ftalimit ve N-(-p-Klorfeniltiyo)ftalimit sentez edildi ve kinetik çalışma için asetonitrilde stok çözeltileri hazırlandı. Sentezlenen bileşiklerin asit katalizli ... -
New 1,3,4-thiadiazoles based on thiophene-2-carboxylic acid: Synthesis, characterization, and antimicrobial activities
Muglu, Halit; Yakan, Hasan; Shouaib, Hanan Almabrok (Elsevier, 2020)Novel 1,3,4-thiadiazole derivatives were prepared by cyclization reaction of thiophene-2-carboxylic acid with N-arylthiosemicarbazides and POCl3. The antibacterial activities of the synthesized compounds were tested against ... -
Novel carbohydrazones including 5-substituted isatin: Synthesis, characterization, and quantum-chemical studies on the relationship between electronic and antioxidant properties
Cavus, M. Serdar; Yakan, Hasan; Muglu, Halit; Bakir, Temelkan (Pergamon-Elsevier Science Ltd, 2020)1-(5-Chloro-2-oxoindolin-3-ylidene)carbohydrazone (1), 1-(5-fluoro-2-oxoindolin-3-ylidene)carbohydrazone (2), 1-(5-methoxy-2-oxoindolin-3-ylidene)thiocarbohydrazone (3), and 1-(5-methoxy-2-oxoindolin-3-ylidene) carbohydrazone ... -
Phthalocyanines including 2-mercaptobenzimidazole analogs: Synthesis, spectroscopic characteristics, quantum-chemical studies on the relationship between electronic and antioxidant properties
Yakan, Hasan; Cavus, M. Serdar; Guzel, Emre; Arslan, Baris S.; Bakir, Temelkan; Muglu, Halit (Elsevier, 2020)In this study, peripherally tetra 2-mercaptobenzimidazole group substituted cobalt and indium phthalocyanine complexes (2 and 3) were prepared from 4-(benzo[d]imidazole-2-ylthio)phthalonitrile (1) for the first time. ... -
Phthalocyanines with bromobenzenesulfanyl substituents at non-peripheral position: Preparation, photophysical and photochemical properties
Atmaca, Goknur Yasa; Yakan, Hasan; Kutuk, Halil; Nebioglu, Mehmet; Guzel, Emre; Erdogmus, Ali (World Sci Publ Co Inc, 2019)Electron-donating bromobenzenesulfanyl-group-substituted phthalonitrile derivative (1) and its novel non-peripherally tetra-substituted metal-free, indium and zinc phthalocyanine complexes (2-4) have been prepared for the ... -
Spectroscopic Properties and Preparation of Some 2,3-Dimethoxybenzamide Derivatives
Cakmak, Sukriye; Kutuk, Halil; Odabaşoğlu, Mustafa; Yakan, Hasan; Büyükgüngör, Orhan (Bentham Science Publ Ltd, 2016)In this study, a series of substituted secondary amide compounds were synthesized starting from 2,3-dimethoxybenzoic acid and aniline derivatives. The structures of these synthesized compounds were determined using IR, H-1 ... -
Synthesis, characterization, antioxidant, and antibacterial activities of new 2,3-dimethoxy and 3-acetoxy-2-methyl benzamides
Yakan, Hasan; Cakmak, Sukriye; Kutuk, Halil; Yenigun, Semiha; Ozen, Tevfik (Springer, 2020)We performed a series of novel benzamide compounds which were synthesized starting from 2,3-dimethoxybenzoic acid or 3-acetoxy-2-methylbenzoic acid and amine derivatives. All the obtained products were purified, and the ... -
Synthesis, characterization, quantum chemical calculations and antioxidant activity of new bis-isatin carbohydrazone and thiocarbohydrazone derivatives
Muglu, Halit; Cavus, M. Serdar; Bakir, Temelkan; Yakan, Hasan (Elsevier, 2019)1,5-Bis(5-chloro-2-oxoindolin-3-ylidene)thiocarbohydrazone (3), 1,5-Bis(5-metoxy-2-oxoindolin-3-ylidene)thiocarbohydrazone (4), 1,5-Bis(5-metoxy-2-oxoindolin-3-ylidene)carbohydrazone (5) were obtained from isatins and ... -
Synthesis, spectroscopic studies, and antioxidant activities of novel thio/carbohydrazones and bis-isatin derivatives from terephthalaldehyde
Muglu, Halit; Yakan, Hasan; Bakir, Temel Kan (Scientific Technical Research Council Turkey-Tubitak, 2020)New bis(isatins-thio/carbohydrazones) based on Schiff bases were prepared from terephthalaldehyde biscarbohydrazone and 5-substituted isatins in the presence of a drop of sulfuric acid under reflux in ethanol. Terephthalaldehyde ... -
Two new benzamides: Synthesis, spectroscopic characterization, X-ray diffraction, and electronic structure analyses
Kirca, Basak Kosar; Cakmak, Sukriye; Yakan, Hasan; Odabaşoğlu, Mustafa; Büyükgüngör, Orhan; Kutuk, Halil (Elsevier, 2020)This work includes the syntheses, molecular and electronic structure analyses of two novel secondary amide compounds 3-acetoxy-2-methyl-N-(2-methoxyphenyl)benzamide, 1 and 3-acetoxy-2-methyl-N-(3-methylphenyl)benzamide, ...
