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Browsing Kimya / Chemistry by Author "Nebioğlu, Mehmet"

Now showing items 1-18 of 18

Aminopyrazole-substituted metallophthalocyanines: Preparation, aggregation behavior, and investigation of metabolic enzymes inhibition properties

Güzel, Emre; Umit M. Kocyigit; Baris S. Arslan; Mehmet Atas; Parham Taslimi; Faik Gokalp; Nebioğlu, Mehmet; Şişman, İlkay; Ilhami Gulcin (WILEY-V C H VERLAG GMBH, 2019)

The synthesis, characterization, aggregation behavior, theoretical studies, and investigation of antimicrobial, antidiabetic, and anticholinergic properties of 4-(2-(5-amino-4-(4-bromophenyl)-3-methyl-1H-pyrazol-1-yl)eth ...
An efficient one-pot synthesis of dihydropyrimidinones catalyzed by zirconium hydrogen phosphate under solvent-free conditions

Beşoluk, Şenol; Küçükislamoğlu, Mustafa; Zengin, Mustafa; Arslan, Mustafa; Nebioğlu, Mehmet (SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2010)

A simple, efficient, and practical procedure for the Biginelli reaction using zirconium hydrogen phosphate [Zr(H(2)PO(4))(2)] as a novel solid acid catalyst is described under solvent-free conditions in high yields. The ...
An environmentally benign synthesis of flavones from 1,3-diketones using silica gel supported NaHSO4 catalyst

Küçükislamoğlu, Mustafa; Nebioğlu, Mehmet; Zengin, Mustafa; Arslan, Mustafa (SCIENCE REVIEWS 2000 LTD, 2005)

A simple and enviromentaly benign method for synthesis of flavones is described via dehydrative cyclisation of o-hydroxydibenzoylmethane using silica gel supported NaHSO4 catalyst.
Design, Synthesis, and Biological Activities of Some Branched Carbasugars: Construction of a Substituted 6-Oxabicyclo[3.2.1]nonane Skeleton

Baran, Arif; Nebioğlu, Mehmet (AMER CHEMICAL SOC, 2012)

Transformation of c-yclohexa-2,4-diene-1,2-diylbis(methylene) diacetate to various carbasugars is described. Photooxygenation of a cyclohexadiene derivative gave a bicyclic endoperoxide, which was reduced with thiourea to ...
High Photosensitized Singlet Oxygen Generating Zinc and Chloroindium Phthalocyanines Bearing (4-isopropylbenzyl)oxy Groups as Potential Agents for Photophysicochemical Applications

Baris S. Arslan; Goknur Yasa Atmaca; Nebioğlu, Mehmet; Nebioğlu, Mehmet; Ali Erdogmus (WILEY-V C H VERLAG GMBH, 2019)

In this study, novel phthalonitrile derivatives (1 and 2) and their peripherally and non-peripherally tetra (4-isopropylbenzyl)oxy-substituted zinc and chloroindium phthalocyanine complexes (3-6) have been prepared for the ...
Novel D-pi-A organic dyes for DSSCs based on dibenzo[b,h] [1,6] naphthyridine as a pi-bridge

Barn Seckin Arslan; Güzel, Emre; Tugba Kaya; Veysel Durmaz; Merve Keskin; Avcı, Davut; Nebioğlu, Mehmet; Şişman, İlkay; Şişman, İlkay (ELSEVIER SCI LTD, 2019)

A new series of D-pi-A organic dyes bearing fused dibenzo[b,h] [1,6]naphthyridine as the conjugated pi-bridge, a cyanoacrylic acid moiety as the electron acceptor/anchoring group and different electron donor groups such ...
Photovoltaic performance and photostability of anthocyanins, isoquinoline alkaloids and betalains as natural sensitizers for DSSCs

Güzel, Emre; Baris Seckin Arslan; Veysel Durmaz; Mert Cesur; Omer Faruk Tutar; Tugba Sari; İşleyen, Mehmet; Nebioğlu, Mehmet; Şişman, İlkay (PERGAMON-ELSEVIER SCIENCE LTD, 2018)

Natural dyes extracted from fruit (FBV) and root (RBV) of barberry (Berberis vulgaris) and fruit (FPA) and stalk (SPA) of pokeweed (Phytolacca americana) were used as sensitizers for dye-sensitized solar cells (DSSCs). All ...
Phthalocyanines with bromobenzenesulfanyl substituents at non-peripheral position: Preparation, photophysical and photochemical properties

Goknur Yasa Atmaca; Hasan Yakan; Halil Kutuk; Nebioğlu, Mehmet; Güzel, Emre; Ali Erdogmus (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 ...
Preparation of activated carbon from sugar beet molasses and adsorption of methylene blue

Nebioğlu, Mehmet; Arslan, Mustafa; İmamoğlu, Mustafa; Zengin, Mustafa; Küçükislamoğlu, Mustafa (PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2008)

Four activated carbon samples were prepared from sugar beet molasses with zinc chloride as the chemical activating agent at different temperatures (600-800 degrees C) and residence carbonization times (0-120 min.) under ...
Selective anomeric deacetylation using zinc acetate as catalyst

Sönmez, Fatih; Küçükislamoğlu, Mustafa; Nebioğlu, Mehmet (SPRINGER INTERNATIONAL PUBLISHING AG, 2012)

An alternative method has been developed for the anomeric deacetylation of fully acetylated carbohydrate derivatives using zinc acetate dihydrate as a catalyst in methanol under mild conditions. The experimental simplicity, ...
Solvent-free synthesis of dihydropyrimidinones catalyzed by alumina sulfuric acid at room temperature

Beşoluk, Şenol; Küçükislamoğlu, Mustafa; Nebioğlu, Mehmet; Zengin, Mustafa; Arslan, Mustafa (SPRINGER, 2008)

A simple, efficient and practical procedure for the Biginelli reaction using alumina sulfuric acid (ASA) as a novel acid catalyst is described under solvent-free conditions. The catalyst exhibited remarkable reactivity at ...
Synthesis of Bishomoinositols and an Entry for Construction of a Substituted 3-Oxabicyclo[3.3.1]nonane Skeleton

Baran, Arif; Nebioğlu, Mehmet (AMER CHEMICAL SOC, 2012)

1,3,3a,7a-Tetrahydro-2-benzofuran was used as key compound for the synthesis of various bishomoinositol derivatives. The diene was subjected to an epoxidation reaction for further functionalization of the diene unit. The ...
Synthesis of dihydropyrimidinones catalyzed by zirconium phosphate and alumina sulphuric acid under solvent-free conditions

Beşoluk, Şenol; Nebioğlu, Mehmet; Zengin, Mustafa; Arslan, Mustafa; Küçükislamoğlu, Mustafa (PROUS SCIENCE, SA, 2007)
Synthesis, molecular structure, spectral analysis and nonlinear optical studies on 4-(4-bromophenyl)-1-tert-butyl-3-methyl-1H-pyrazol-5-amine: A combined experimental and DFT approach

Tamer, Ömer; Baris Seckin Arslan; Avcı, Davut; Nebioğlu, Mehmet; Atalay, Yusuf; Bunyemin Cosut (ELSEVIER SCIENCE BV, 2016)

4-(4-bromophenyl)-1-tert-butyl-3-methyl-1H-pyrazol-5-amine (BPTBMPA) crystal was synthesized for the first time and its structural characterization was performed by X-ray diffraction method. The spectroscopic characterization ...
The first total synthesis of apigenin 7-O--D-cellobiosyl-4-O--D-glucopyranoside isolated from Salvia uliginosa

Sönmez, Fatih; Nebioğlu, Mehmet; Beşoluk, Şenol; Arslan, Mustafa; Zengin, Mustafa; Küçükislamoğlu, Mustafa (TAYLOR & FRANCIS LTD, 2013)

The first total synthesis of apigenin 7-O--D-cellobioside (5) and apigenin 7-O--D-cellobiosyl-4-O--D-glucopyranoside (8), which were isolated from petals of Salvia patens and Salvia uliginosa, were achieved in four and six ...
The first total synthesis of apigenin 7-O-b-D-cellobiosyl-40-O-b-Dglucopyranoside isolated from Salvia uliginosa

Sönmez, Fatih; Beşoluk, Şenol; Nebioğlu, Mehmet; Zengin, Mustafa; Küçükislamoğlu, Mustafa (2013)
The investigation of risk factors which predict postpartum depression in seasonal farm workers

Nebioğlu, Mehmet (CUMHURIYET UNIV TIP FAK PSIKIYATRI ANABILIM DALI, 2013)

Objective: The aim of this study is to investigate risk factors which predict risk of postpartum depression (PPD) for seasonal farm workers in sanliurfa province. Methods: Within this research, Sociodemographic Questionnaire ...
Zinc and chloroindium complexes of furan-2-ylmethoxy substituted phthalocyanines: Preparation and investigation of aggregation, singlet oxygen generation, antioxidant and antimicrobial properties

Güzel, Emre; Neslihan Saki; Mustafa Akin; Nebioğlu, Mehmet; Şişman, İlkay; Şişman, İlkay; Ali Erdogmus; Makbule B. Kocak (ELSEVIER SCIENCE SA, 2018)

The synthesis, characterization, aggregation, photophysical, antioxidant and antimicrobial properties of furan-2-ylmethoxy substituted zinc (2) and chloroindium (3) phthalocyanine complexes are reported for the first time. ...