Kimya: Recent submissions

  • Axialy chiral n-(o-aryl)-2-thioxo-oxazolidine-4-one and rhodanine derivatives: enantiomeric separation and determination of racemization barriers 
    Yılmaz, Esra Müjde. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    In this study, sterically hindered 5,5-dimethyl-3-(o-aryl)-2-thioxo-4-oxazolidinones, 5,5-dimethyl-3-(o-aryl)-2-thioxo-4-thiazolidinones and 3-(o-aryl)-2-thioxo-4- thiazolidinones(rhodanines) have been synthesized as ...
  • Modeling the selectivity in pericyclic reactions 
    Ölçüm, Nihan Çelebi. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Pericyclic reactions are very powerful and widely utilized transformations to obtain complex molecules. The selective versions have received remarkable interest and have found extensive use in synthetic organic chemistry ...
  • A hybrid computational approach to the benzoin synthesis in different media 
    Topal, Kevser Göçmen. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Benzoin derivatives are widely used in organic chemistry, mainly as starting materials in drug synthesis and photoinitiators in polymer chemistry, due to their bifunctionality, the presence of the asymmetric center, and ...
  • Chemical characterization of lipid residues in neolithic and chalcolithic pottery from Anatolia 
    Bıyık, Ayla Türkekul. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
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  • Elucidation of the deamidation mechanism of asparaginyl residues in peptides and proteins 
    Çatak, Şaron. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Demidation of proteins is a topic of wide interest that has been subject to experimental and theoretical studies. Deamidation is a nonenzymatic and spontaneous process that converta asparagine conformational changes in ...
  • Asymmetric syntheses, ring opening and stereoselective reactions, absolute conformation and activation barrier determinations on axially chiral oxazolidine derivatives 
    Ordu, Öznur Demir. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    In this study, sterically hindered 5-methyl-3-(o-aryl)-2,4-oxazolidinediones, 5-methyl- 3-(o-iodophenyl)-2-thioxo-4-oxazolidinedione and 5,5-dimethyl-3-(o-aryl)-2,4- oxazolidinediones have been synthesized. Diastereomeric ...
  • Functionalization and polymerization of plant oil triglycerides 
    Çaylı, Gökhan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    In this study, new polymers and were synthesized from different plant oil triglycerides by using allylic groups of the triglycerides. Moreover, allylic positions and double bonds of soybean oil were used for preparation ...
  • An investigation of the carbon-carbon bond rupture in fluoroethanes by RRKM theory 
    Aviyente, Viktorya. (Thesis (Ph.D.)- Bogazici University. Institute for Graduate Studies in Social Sciences, 1983., 1983.)
    In this dissertation, the thermal decompositions of ethane, 1,1,2,2-tetrafl uoroethane, pentafl uoroethane and hexafl uoroethane have been subjected to a theoretical treatment i n terms of the quantum statistical RRKM ...
  • Modeling the solvent effect in free radical polymerization and deamidation of peptides 
    Doğan, Berna. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    In the first part of this study, the kinetics free radical polymerization of ethyl methacrylate (EMA) and ethyl α-hydroxy methacrylate (EHMA) in solution is investigated; in the second part the deamidation in three different ...
  • Polymer - dendron based micelles as drug delivery systems 
    Bilgen, Nuray. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Polymeric micelles are remarkable nominees for drug delivery systems due to their excellent biocompatibility also they provide high loading capacity to hydrophobic inner core and increase drug solubility. In water, micelles ...
  • Modeling stereoselective reactions in solution 
    Yıldırım, Aslı. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    In this study, ring-chain-ring tautomerization and asymmetric desymmetrization reactions are investigated by taking the solvent effect into account. In the first part, ring-chain-ring tautomerization mechanism is investigated ...
  • Synthesis, HPLC and NMR studies on axially chiral pyridine compounds as potential bidentate N,N'-ligands 
    Işıkgör, Furkan Halis. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    In this study, axially chiral enantiomeric and diastereomeric 2-arylimino-3-aryl-thiazolidine-4-ones have been synthesized and their stereostructures have been investigated. In these compounds, the rotation around N3-aryl ...
  • A computational approach to the core of eunicellins 
    Bozkurt, Esra. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The asymmetric Diels-Alder reaction has attracted much interest for decades. Most recently, interest in the use of catalysts in cycloadditions has gained momentum due to their capacity to provide complex stereoselectivity ...
  • The energy and effect of ionization on cluster formation and post ionization dynamics of energetic materials : a density functional study on (C3H6N6O6)2 
    Kıyak, Güven. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    In this work, structures and energetics of (C3H6N6O6)2 and [(C3H6N6O6)2]+ molecules have been investigated via computational chemistry methods. Using Density Functional Theory, the neutral and positively charged dimer ...
  • Synthesis of potentially active quinoline derivatives against prostate cancer 
    Gül, Turan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Prostate cancer is the major cause of death among elderly men all around the world. According to the recent reports, 15% of the US men are faced with prostate cancer and 3% of them lose their lives. Researches on prostate ...
  • Thiol reactive hydrogels from single precursor 
    Hanay, Saltuk Buğra. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Hydrogels have become very popular materials in last few decades. They have found high potential of use in tissue engineering, drug delivery systems, biosensors and wound healing dressing. Recently, there is a great interest ...
  • Synthesis and effectiveness of low styrene emission agents for unsaturated polyester 
    Erdem, Ahmet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    The aim of this work is to synthesize linear and branched reactive molecules for use as low styrene emission (LSE) additives for unsaturated polyester (UPE). Maleinization reaction of primary alcohols was a specific way ...
  • Photo-responsive microcapsule systems via supramolecular chemistry 
    Türksoy, Kader Merve. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Supramolecular self-assembly is a reversible process by which nanoparticles or other components spontaneously ordered into well organized functional structures due to their specific noncovalent interactions through their ...
  • Photocatalytic degradation of phthalic anhydride and dicarboxylic acids 
    Ökte, Ayşe Neren. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1994., 1994.)
    Exposure of Ti02 particles to light with an energy equal or greater than its bandgap leads to the creation of electrons and holes which are able to degrade toxic chemicals. In this study, in the presence of Degussa P25 ...
  • Fabrication of thiol reactive polymeric microstructures 
    Gevrek, Tuğçe Nihal. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    PEG-based 3D hydrogel patterns containing thiol reactive maleimide functional groups have been prepared using a novel Diels-Alder/retro Diels-Alder strategy. Bulk-hydrogels and hydrogel patterns containing various amount ...

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