Kurum Yazarı "Menteşe, Emre" İçin Listeleme
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Electrochemistry of novel phthalocyanines bearing 1,2,4 triazole groups
Akyüz, Duygu; Demirbaş, Ümit; Akçay, Hakkı Türker; Menteşe, Emre; Koca, Atif; Kantekin, Halit (Wiley-V C H Verlag Gmbh, 2020)The phthalonitrile (3) and triazole substituted metallo phthalocyanines (MPc) (4-7) were prepared. the novel compounds were characterized with spectroscopic data. Electrochemical analyses of metallophthalocyanines (4-7) ... -
Experimental and theoretical studies of 4-[(4-methyl-5-phenyl-4h1,2,4-tiıazol-3-yl)sulfanyl]benzene-1,2-dicarbonitrile
Çoruh, Ufuk; Ustabaş, Reşat; Akçay, Hakkı Türker; Menteşe, Emre; Vazquez Lopez, Ezequiel M. (Soc Chemists Technologists Madeconia, 2016)In this study, 4-[(4-methy1-5-pheny1-4H-1,2,4-triazol-3-yl)sulfanyl]benzene-1,2-dicarbonitrile was synthesized and its molecular structure was characterized by means of FT-IR. and X-ray diffraction methods. the crystal is ... -
A facile and sensitive coprecipitation method coupled with flame atomic absorption spectrometry for quantification of Cu(II) ions in complex matrices
Özdeş, Duygu; Duran, Celal; Bektaş, Hakan; Menteşe, Emre (Serbian Chemical Society, 2023)In the present investigation, the application of an organic coprecipitant, 2-[5,6-dichloro-2-(2-bromobenzyl)-1H-benzimidazole-1-yl]acetohydrazide (DIBBA), for separation and preconcentration of Cu(II) ions in fruit and ... -
A facile ultrasonic synthesis approach to 3-H-quinazolinethione derivatives and their urease inhibition studies
Çalışkan, Nedime; Akyüz, Gülay; Menteşe, Emre (Taylor & Francis Ltd., 2024)In this study, a new series of 3H-quinazoline-4-thione derivatives were synthesized under ultrasonic irradiation conditions with high yield in a short time. The new compounds were characterized by FT-IR,H-1, and C-13 NMR ... -
Ferrocenyl-substituted dinuclear Cu(II) complex: Synthesis, spectroscopy, electrochemistry, DFT calculations and catecholase activity
Emirik, Mustafa; Karaoğlu, Kaan; Serbest, Kerim; Menteşe, Emre; Yılmaz, İsmail (Elsevier Science Bv, 2016)A new ferrocenyl-substituted heterocyclic hydrazide ligand and its Cu(II) complex were prepared. the DFT calculations were performed to determine the electronic and molecular structures of the title compounds. the electronic ... -
Green protocol: Catalyst-free synthesis of 2-substituted benzimidazoles under ultrasound irradiation
Menteşe, Emre; Kahveci, Bahittin; Menteşe, Meltem (Science Reviews 2000 Ltd, 2018)The synthesis of 2-substituted benzimidazoles from the reaction of o-phenylenediamine and an imino ester hydrochloride with ultrasound irradiation is reported. The procedure has an eco-friendly and simple workup with good ... -
Green protocol: solvent- and catalyst-free synthesis of benzimidazole derivatives via microwave technique
Menteşe, Emre; Doğan, İnci Selin; Kahveci, Bahittin (Springer, 2013)A simple and green protocol has been developed for the synthesis of benzimidazoles. in this protocol, 2-[(alkyl/aryl)(ethoxy)methylidene]hydrazinecarboxylates with 1,2-phenylenediamine derivatives under solvent- and ... -
Metallo-phthalocyanines containing triazole substituents: Synthesis, spectroscopic and photophysicochemical properties
Demirbaş, Ümit; Öztürk, Dilek; Akçay, Hakkı Türker; Durmuş, Mahmut; Menteşe, Emre; Kantekin, Halit (Taylor & Francis Ltd., 2022)Magnesium(II) (4), lead(II) (5) and zinc(II) (6) phthalocyanines were prepared. The structures of 4-6 were confirmed by the spectroscopic characterization such as FT-IR, H-1-NMR, MALDI-TOF mass, UV-vis and fluorescence ... -
Microwave assisted synthesis and anti-lipase activity of some new fluorine-containing benzimidazoles
Menteşe, Emre; Yılmaz, Fatih; Ülker, Serdar; Kahveci, Bahittin (Georg Thieme Verlag Kg, 2015)In this study, a new series of fluorine containing benzimidazoles (4a-l) and bisbenzimidazoles (6a-c, 8) were synthesized by the reaction of o-phenylenediamines with iminoester hydrochlorides (3a-l, 7) in methanol under ... -
Microwave assisted synthesis of cournarins: A review from 2007 to 2018
Kahveci, Bahittin; Menteşe, Emre (Bentham Science Publ Ltd, 2018)Background: Microwave heating has been shown to be an invaluable technology for medicinal chemistry and drug discovery applications. Recently, it has been used for heterocyclic synthesis increasingly. This review article ... -
Microwave assisted synthesis of some novel 2-(3-Chlorobenzyl)-1H-benzimidazole derivatives and determination of their antimicrobial activity and pKa values
Menteşe, Emre; Bekircan, Olcay; İslamoğlu, Fatih; Beriş, Fatih Şaban (Chiminform Data S A, 2015)In the present research, synthesis of new 2-(3-chlorobenzyl)-1H-benzimidazole derivatives bearing N-benzylidene, 1,2,4-triazole and N-acylhydrazone moiety is investigated. These novel compounds have been tested for their ... -
Microwave-assisted synthesis and antifungal activity of some new 1H-1,2,4-triazole derivatives
Kahveci, Bahittin; Özil, Musa; Menteşe, Emre; Bekircan, O.; Buruk, K. (Springer, 2008)A number of 3-aryl-4-arylmethylideneamino-4,5-dihydro-1H-1,2,4-triazol-5- ones were synthesized by reaction of the corresponding aromatic aldehydes with 4-amino-3-aryl-1H-1,2,4-triazol-5-ones in anhydrous ethanol under ... -
Microwave-assisted synthesis and biological evaluation of some benzimidazole derivatives containing a 1,2,4-triazol ring
Menteşe, Emre; Karaali, Nesrin; Yılmaz, Fatih; Ülker, Serdar; Kahveci, Bahittin (Wiley-V C H Verlag Gmbh, 2013)A new series of 2-(4-(trifluoromethyl)phenyl)-1H-benzo[d]imidazole derivatives containing a 1,2,4-triazole ring were synthesized via microwave technique. This efficient procedure provides pure products within a few minutes. ... -
Microwave-assisted synthesis and investigation of xanthine oxidase inhibition of new phthalonitrile and phthalocyanines containing morpholino substituted 1,2,4-triazole-3-one
Kantar, Günay Kaya; Baltaş, Nimet; Menteşe, Emre; Şaşmaz, Selami (Elsevier Science Sa, 2015)Novel phthalonitrile and zinc (II) phthalocyanines containing pharmacological active molecules like morpholine and triazole were prepared and characterized. the new compounds were obtained by both microwave assisted and ... -
Microwave-assisted synthesis of benzimidazoles and their derivatives from 1994 to 2016-A review
Kahveci, Bahittin; Menteşe, Emre (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 ... -
Microwave-assisted synthesis of novel 2,4-dihydro-5-[4-(trifluoromethyl) phenyl]-3h-1,2,4-triazol-3-ones and potentiometric determination of their pKa in nonaqueous solvents
Özil, Musa; İslamoğlu, Fatih; Menteşe, Emre; Kahveci, Bahittin (Wiley, 2010)The novel 4-amino- or 4-aryl-substituted 2,4-dihydro-5-[(4-trifluoromethyl) phenyl]-3H-1,2,4-triazol-3-ones 3a-3g were synthesized by reaction of N-(ethoxycarbonyl)-4-(trifluoromethyl)benzenehydrazonic acid ethyl ester (2) ... -
Microwave-assisted synthesis of some 1, 2, 4-triazol-3-ones and potentiometric determination of their pKa in amfiprotic and dipolar aprotic-water mixtures
İslamoğlu, Fatih; Menteşe, Emre; Özil, Musa; Turumtay, Emine Akyüz; Kahveci, Bahittin (0-Belirlenecek, 2013)The novel 5-alkyl(aryl)-4-(aryl)-2, 4-dihydro-3H-1, 2, 4-triazol-3-ones (1-12) were synthesized by reaction of (N?-ethoxycarbonyl)-4-alkyl(aryl)hydrazonic acid ethyl ester with primary amines by microwave irradiation. ... -
Microwave-assisted synthesis of some 1H-1,2,4-triazol-3-one derivatives
Karaali, Nesrin; Menteşe, Emre; Yılmaz, Fatih; Usta, Asu; Kahveci, Bahittin (Bureau Scientific Publ, 2013)4-Amino-5-(methyl/ethyl)-2,4-dihydro-3H-1,2,4-triazol-3-one were synthesized from the reaction of (methyl/ethyl)-ester ethoxycarbonyl hydrazone with hydrazine hydrate and then, converted to corresponding Schiff bases using ... -
Microwave-assisted synthesis of some 2-substituted quinazolin-4(3h)-one derivatives from imıioester hydrochlorides
Menteşe, Emre; Kahveci, Bahittin (Editura Acad Romane, 2014)Herein, a method that involves a reaction of iminoester hydrochloride with methyl anthranilate via microwave assisted synthesis is reported. This efficient procedure provides pure products within few minutes. This method ... -
Microwave-assisted synthesis of some 5(6)-nitro-1h-benzimidazoles and their hydrazide derivatives
Yılmaz, Fatih; Menteşe, Emre; Karaali, Nesrin; Kahveci, Bahittin (Chem Soc Ethiopia, 2013)A series of 5(6)-nitro-1H-benzimidazole and their hydrazide derivatives were synthesized starting from iminoester hydrochloride and 4-nitro-o-phenylenediamine under microwave irradiation. the structure of all synthesized ...