New TEMPO containing polymers for all polymeric oxidation procedure

2,2,6,6-Tetramethylpiperidine 1-oxyl (TEMPO) is a versatile compound which is used mainly in organic oxidation reactions and organic battery applications. Incorporating TEMPO into a polymer could provide many applications into its repertoire. In this study, new polymeric TEMPO derivatives are synthesized and characterized to be used as catalysts in the presence of another polymer which constitutes N-halamine functionality. These polymeric mixtures were superior since the mixture could easily be separated from the reaction medium by simple filtration and reused in some other oxidation reactions numerous times. In turn, an all polymeric oxidation method was developed for oxidation of primary alcohols.


New strategy for the synthesis of chiral N-substituted-3,4-dialkoxypyrrole from 2,5-dihydro-2,5-dimethoxyfuran
Kapaklı, Fadile; Tanyeli, Cihangir; Department of Chemistry (2006)
Pyrroles are very valuable class of substances which have wide usage area in organic synthesis. In this study, chiral 3,4-dialkoxy-N-substituted pyrrole derivatives were synthesized. These compounds are widely used as building blocks for the synthesis of natural compounds that have focused on heterocyclic rings in their structures. In addition, chiral pyrrole derivatives can be used as monomers for the synthesis of chiral conducting polymers which have received great interest due to their potential applicat...
A new soluble conducting polymer and its electrochromic devices
YİLDİZ, UMİT HAKAN; SAHİN, ELİF; Akhmedov, IM; Tanyeli, Cihangir; Toppare, Levent Kamil (Wiley, 2006-04-01)
A new polythiophene derivative was synthesized by both chemical and electrochemical oxidative polymerization of 1-(1-phenylethyl)-2,5-di(2-thienyl)-1H-pyrrole (PETPy). Of which the chemical method produces a polymer that is completely soluble in organic solvents. The structures of both the monomer and the soluble polymer were elucidated by nuclear magnetic resonance (H-1 and C-13 NMR) and Fourier transform infrared (FTIR) spectroscopy. The average molecular weight has been determined by gel permeation chrom...
Fabrication of a Novel Polymeric Scaffold for Amperometric Laccase Biosensor
Soylemez, Saniye; Bekmezci, Aybüke; Göker, Seza; Toppare, Levent Kamil (Wiley, 2019-11-14)
Present work displays the preparation of an electrochemical biosensor using a conjugated polymer and laccase enzyme for catechol quantification in samples. The biosensing system is based on an enzyme immobilization on polymer modified graphite transducer surface. For that purpose, a random conjugated polymer, thienothiophene-benzoxadiazole-alt-benzodithiophene (BOTT), was coated onto a graphite electrode surface via drop casting method followed by immobilization of a biomolecule (laccase) for sensing experi...
Development of novel asymmetric catalysts for various transformations and investigation of a rearrangement reaciıon
Yazıcıoğlu, Emre Yusuf; Tanyeli, Cihangir; Department of Chemistry (2010)
A new class of pyridine and sulfur containing chiral compounds are synthesized. Camphor sulfonyl chloride is chosen as a valuable chiral starting compound. In our synthetic strategy, sulfonylchloride moiety is first reduced to corresponding thiol compound by using triphenylphosphine and then the resultant thiol will be converted to various alkyl, aryl substituted derivatives. The second part of our strategy includes the pyridine ring construction on the carbonyl side of camphor with the formation of β-hydro...
Reactive processing and properties of styrene-maleic anhydride and poly(tetramethylene ether glycol)
Bayram, G; Yılmazer, Ülkü (Wiley, 2002-03-07)
The anhydride/hydroxyl-functionalized blends of styrene-maleic anhydride (SMAH) with poly(tetramethylene ether glycol) (PTMEG) in the presence or absence of a hydrated zinc acetate catalyst were produced in a batch mixer and in a corotating twin-screw extruder. In batch mixing, torque values increased with time as a result of chain-extension/branching reactions. The reaction products were studied by thermal, mechanical, morphological, and spectroscopic characterization techniques. The glass transition tempe...
Citation Formats
P. Öztürk, E. A. Yücel, and A. Akdağ, “New TEMPO containing polymers for all polymeric oxidation procedure,” JOURNAL OF POLYMER RESEARCH, pp. 0–0, 2020, Accessed: 00, 2020. [Online]. Available: