Yazar "Kantekin, Halit" için listeleme
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17,18-Dibromo-8-methyl-4,12-ditosyl-3,4,5,6,7,8,9,10,11,12,13,14-dodecahydro-2H-benzo[b][1,4,7,11,15]dioxatriazacycloheptadecine
Kelesoglu, Zeynep; Kaya, Elif Celenk; Kantekin, Halit; Bueyuekguengoer, Orhan (Wiley-Blackwell, 2010)In the title compound, C(31)H(39)Br(2)N(3)O(6)S(2), a 17-membered aza-macrocyclic ligand containing two ether O and three aza N atoms, the three pendant aromatic rings form an 'E' shape. The dihedral angles between the ... -
4-[2-(Cyclohexa-1,4-dien-1-yl)ethoxy]benzene-1,2-dicarbonitrile
Kelesoglu, Zeynep; Kaya, Elif Celenk; Kaya, Afsin Ahmet; Kantekin, Halit; Buyukgungor, Orhan (Wiley-Blackwell, 2011)In the title compound, C16H14N2O, the dihedral angle between the aromatic rings is 70.23 (6)degrees. The linking chain has a zigzag conformation. In the crystal, molecules are linked by weak intermolecular C-H center dot ... -
Microwave-assisted synthesis and characterization of novel symmetrical substituted 19-membered tetrathiadiaza metal-free and metallophthalocyanines and investigation of their biological activities
Nas, Asiye; Kaya, Elif Celenk; Kantekin, Halit; Sokmen, Atalay; Cakir, Volkan (Elsevier Science Sa, 2011)This work reports on a new symmetrically substituted metal-free phthalocyanine and its transition metal complexes which were prepared by a condensation of N,N'-[propan-1,3-diilbis(tiyoetan-2,1-diil)]bis(4-methylbenzenesulfonamid) ... -
Optimization of a new cloud point extraction procedure for the selective determination of trace amounts of total iron in some environmental samples
Duran, Celal; Ozdes, Duygu; Kaya, Elif Çelenk; Kantekin, Halit; Bulut, Volkan Numan; Tüfekçi, Mehmet (2012)A new, simple, and rapid cloud point extraction (CPE) procedure system, combined with flame atomic absorption spectrometry (FAAS), was developed for selective separation, preconcentration, and determination of trace amounts ... -
Synthesis and characterisation of new metallophthalocyanines containing four 12-membered diazadithia-macrocyclic moieties
Kaya, Elif Celenk; Kantekin, Halit; Kaya, Afsin Ahmet; Dakoglu, Asuman; Oksuz, Sumeyra; Sisik, Hanife (Science Reviews 2000 Ltd, 2012)Tetrasubstituted zinc, cobalt, nickel, copper and lead phthalocyanines bearing four 12-membered diazadithia macrocyclic moieties on peripheral positions have been synthesised by cyclotetramerisation reaction of ... -
The synthesis and characterization of metal-free and metallophthalocyanine polymers by microwave irradiation containing diazadithia macrocyclic moieties
Kaya, Elif Celenk; Karadeniz, Huelya; Kantekin, Halit (Elsevier Sci Ltd, 2010)A tetranitrile monomer was synthesized by nucleophilic aromatic substitution of N,N'-(2,2'-(propane-1,3-diylbis(sulfanediyl))bis(ethane-2,1-diyl))bis(4-methylbenzenesulfonamide) onto 4-nitrophthalonitrile. A metal-free ... -
Synthesis and spectral and thermal characterization of new metal-free and metallophthalocyanines: investigation of their photophysical, photochemical, and thin film properties
Novel tetrasubstituted metal-free (2), zinc (II) (3), cobalt (II) (4), and copper (II) (5) phthalocyanines bearing 2-phenylethanolate groups on the peripheral positions were synthesized by the cyclotetramerization reaction ... -
Synthesis of fluorine-containing phthalocyanines and investigation of the photophysical and photochemical properties of the metal-free and zinc phthalocyanines
Kaya, Elif Celenk; Ersoy, Sibel; Durmus, Mahmut; Kantekin, Halit (Walter De Gruyter Gmbh, 2018)4-(3-(Trifluoromethyl) benzylthio)phthalonitrile (1) was synthesized. Metal-free phthalocyanine 2, zinc(II) phthalocyanine 3 and cobalt(II) phthalocyanine 4 were synthesized starting with dinitrile compound 1. Photodynamic ...
