Browsing by Author "Yılmaz Baran, Nuray"
Now showing items 1-20 of 20
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Bentonite-supported furfural-based Schiff base palladium nanoparticles: an efficient catalyst in treatment of water/wastewater pollutants
Nasrollahzadeh, Mahmoud; Baran, Talat; Sajjadi, Mohaddeseh; Yılmaz Baran, Nuray; Shokouhimehr, Mohammadreza (Springer, 2020)This study reports a versatile process for the fabrication of palladium nanoparticles (Pd NPs) stabilized on Schiff base modified Unye bentonite with a coordination performance of furfural ligand (UN-Fur@PdNPs) as a promising ... -
Construction and application of MgAl LDH-Schiff base-supported palladium nanocatalyst for Heck reactions and reduction of organic pollutants
Yılmaz Baran, Nuray; Çalışkan, Melike; Baran, Talat (Springer Science and Business Media B.V., 2023)In this study, a novel nanostructured Pd NPs@MgAl LDH-Schiff base-supported catalyst system was developed through a deposition of Pd NPs on the modified MgAl-layered double hydroxide (MgAl LDH). Structural/morphological ... -
Design of highly robust halloysite nanoclay supported palladium complex as a highly active heterogeneous catalyst for construction of biaryls
Yılmaz Baran, Nuray; Baran, Talat; Menteş, Ayfer (Elsevier Ltd, 2019)Metal leaching, contamination of final product, lack of recovery, and limited reusability are important problems in catalyst systems. The best way to overcome these drawbacks is to design highly stable heterogeneous ... -
An easily recoverable and highly reproducible agar-supported palladium catalyst for Suzuki-Miyaura coupling reactions and reduction of o-nitroaniline
Baran, Talat; Yılmaz Baran, Nuray; Menteş, Ayfer (Elsevier Science Bv, 2018)Polysaccharides are excellent support materials for catalytic systems due to their superior metal binding capacity, high mechanical strength, and green nature. Among the polysaccharides, agar can be considered a good support ... -
Efficient adsorption of hemoglobin from aqueous solutions by hybrid monolithic cryogel column
Yılmaz Baran, Nuray; Acet, Ömür; Odabaşı, Mehmet (Elsevier Science Bv, 2017)In this study, a supermacroporous poly(2-hydroxyethyl methacrylate) (PHEMA)-based Cu2+-attached bentonite particles embedded hybrid monolithic cryogel (Cu2+-ABPs EHMC) was prepared by radical cryo-copolymerization of HEMA ... -
Fabrication and characterization of a novel easy recoverable and reusable Oligoazomethine-Pd(II) catalyst for Suzuki cross-coupling reactions
Yılmaz Baran, Nuray (Elsevıer Scıence Bv, 2019)This study describes (i) the synthesis of a novel highly active, recyclable, easily recoverable and thermally stable oligoazomethine-Pd(II) catalyst (O(PMPA)-Pd) and (ii) its application in the synthesis of various biaryl ... -
Facile synthesis of Pd nanoparticles supported on a novel Schiff base modified chitosan-kaolin: Antibacterial and catalytic activities in Sonogashira coupling reaction
Nasrollahzadeh, Mahmoud; Shafiei, Nasrin; Baran, Talat; Pakzad, Khatereh; Tahsili, Mohammad Reza; Yılmaz Baran, Nuray; Shokouhimehr, Mohammadreza (Elsevier B.V., 2021)The present work studies the Sonogashira coupling reaction (SCR) between aryl halides and acetylenes under aerobic conditions using the catalytic complex of Pd nanoparticles (NPs) supported on a novel Schiff base modified ... -
Generation and characterization of palladium nanocatalyst anchored on a novel polyazomethine support: Application in highly efficient and quick catalytic reduction of environmental contaminant nitroarenes
Yılmaz Baran, Nuray (Elsevier B.V., 2020)Removal of toxic nitroarenes, which threaten all living organisms and environment, from wastewaters has been an important and prior issue. Therefore, the focus of the present study was to fabricate an effective, fast, ... -
Highly active and recyclable heterogeneous palladium catalyst derived from guar gum for fabrication of biaryl compounds
Baran, Talat; Yılmaz Baran, Nuray; Menteş, Ayfer (Elsevier Science Bv, 2019)In this study, a novel highly efficient heterogeneous palladium catalyst (GG-Pd) was prepared using guar gum, which is an environmentally friendly, easily available, fairly cheap, and renewable natural bio-polymer. Detailed ... -
Highly effective and recoverable Pd(II) catalyst immobilized on thermally stable Schiff base polymer containing phenol group: Production, characterization and application in Suzuki coupling reactions
Yılmaz Baran, Nuray; Baran, Talat; Menteş, Ayfer; Karakisla, Meral; Sacak, Mehmet (Elsevier Science Sa, 2018)In this study, a novel highly efficient, recoverable, sustainable, and thermally stable Schiff base polymer-Pd(II) catalyst was designed for Suzuki coupling reactions in synthesis of biaryl compounds for the first time. ... -
A new air and moisture stable robust bio-polymer based palladium catalyst for highly efficient synthesis of biaryl compounds
Baran, Talat; Yılmaz Baran, Nuray; Menteş, Ayfer (Wiley, 2018)The designs of robust natural polymer based catalysts are important for catalytic systems in the view of industrial purposes and green chemistry. In this study, a new air and moisture stable robust starch-based Pd(II) ... -
Pd nanoparticles loaded on modified chitosan-Unye bentonite microcapsules: A reusable nanocatalyst for Sonogashira coupling reaction
Shafiei, Nasrin; Nasrollahzadeh, Mahmoud; Baran, Talat; Yılmaz Baran, Nuray; Shokouhimehr, Mohammadreza (Elsevier Ltd, 2021)This work investigates the preparation of a catalytic complex of palladium nanoparticles supported on novel Schiff base modified chitosan-Unye bentonite microcapsules (Pd NPs@CS-UN). The complex has been characterized by ... -
Pd nanoparticles stabilized on the Schiff base-modified boehmite: Catalytic role in Suzuki coupling reaction and reduction of nitroarenes
Yılmaz Baran, Nuray; Baran, Talat; Nasrollahzadeh, Mahmoud; Varma, Rajender S. (Elsevier, 2019)Palladium nanoparticles (Pd NPs) were decorated on Schiff base-modified boehmite (Sch-boehmite) particles via a simple method without deploying any additional reducing agents and their structure was confirmed by different ... -
Pd@MgAl LDH/2-ThCA: A sustainable, active and recyclable nanocatalyst system for the rapid and efficient catalytic reduction of organic pollutants
Yılmaz Baran, Nuray; Çalışkan, Melike; Baran, Talat (Elsevier B.V., 2023)Catalytic reduction of toxic pollutants such as nitroaromatics and organic dyes found in water/wastewater by heterogeneous nano-structured metallic catalysts is a promising method for wastewater treatment. The need for ... -
Preparation of highly thermally stable and conductive Schiff base polymer: Molecular weight monitoring and investigation of antimicrobial properties
Yılmaz Baran, Nuray; Sacak, Mehmet (Elsevier, 2018)A novel thermally stable polyazomethine with phenol group, Poly(4-[[4-(dimethylamino)benzylidene] amino]phenol) P(4-DBAP), was synthesized from 4-[[4-(dimethylamino)benzylidene]aminc]phenol) (4-DBAP) in aqueous alkaline ... -
Preparation, structural characterization, and catalytic performance of Pd(II) and Pt(II) complexes derived from cellulose Schiff base
Baran, Talat; Yılmaz Baran, Nuray; Menteş, Ayfer (Elsevier, 2018)In this study, we reported production, characterization, and catalytic behavior of two novel heterogeneous palladium(II) and platinum(II) catalysts derived from cellulose biopolymer. In order to eliminate the use of toxic ... -
Production of Pd nanoparticles embedded on micro-sized chitosan/graphitic carbon nitride hybrid spheres for treatment of environmental pollutants in aqueous medium
Yılmaz Baran, Nuray; Baran, Talat; Çalışkan, Melike (Elsevier Ltd, 2021)The presence of various organic contaminants such as toxic nitro compounds and dyes in water/wastewater poses a major problem for the environment and human health. Therefore, the treatments of these pollutants are of vital ... -
Synthesis and characterization of a novel thermally stable schiff base oligomer: Investigation of conductivity properties
Yılmaz Baran, Nuray (Turkish Chemical Society, 2018)This paper presents the design of a novel Schiff base, 2,2'-{[1,2-di(pyridin-2-yl)ethane-1,2-diylidene]bis(azanylylidene)}diphenol (2,2’-DBD), and its oligophenol, Oligo-(2,2'-{[1,2-di(pyridin-2-yl)ethane-1,2-diylidene]b ... -
Synthesis, characterization and molecular weight monitoring of a novel Schiff base polymer containing phenol group: Thermal stability, conductivity and antimicrobial properties
Yılmaz Baran, Nuray; Saçak, Mehmet (Elsevier Science Bv, 2017)A novel Schiff base polymer containing phenol group, Poly(3-[[4-(dimethylamino)benzylidene]amino] phenol) P(3-DBAP), was prepared by oxidative polycondensation reaction of 3-[[4-(dimethylamino) benzylidene]aminolphenol ... -
Synthesis, characterization, conductivity and antimicrobial study of a novel thermally stable polyphenol containing azomethine group
Yılmaz Baran, Nuray; Karakışla, Meral; Demir, Hacı Ökkeş; Saçak, Mehmet (Elsevier Science Bv, 2016)Poly(4-[[(4-methylphenyl)methylene]amino]phenol) (P(4-MMAP)), which is a Schiff base polymer, was synthesized by an oxidative polycondensation reaction of 4-[[(4-methylphenyl)methylene]amino]phenol (4-MMAP) with the oxidants ...
