Yazar "Hökelek, Tuncer" için Fen Fakültesi listeleme
-
Phosphorus-nitrogen compounds: Part 19. Syntheses, structural and electrochemical investigations, biological activities, and DNA interactions of new spirocyclic monoferrocenylcyclotriphosphazenes
Ilter, Elif Ece; Asmafiliz, Nuran; Kılıç, Zeynel; Açık, Leyla; Yavuz, Makbule; Bali, E. Burcu; Hökelek, Tuncer (Pergamon-Elsevier Science LTD, 2010)The reactions of hexachlorocyclotriphosphazatriene, N3P3Cl6, with N-alkyl-N-ferrocenylmethylethylene diamines, FcCH(2)NH(CH2)(2)NHR1 [R-1 = Me (1) and Et (2)], and sodium [3-(N-ferrocenylmethylamino)-1-propanoxide] (3) ... -
Phosphorus-Nitrogen Compounds: Part 25. Syntheses, Spectroscopic, Structural and Electrochemical Investigations, Antimicrobial Activities, and Dna Interactions of Ferrocenyldiaminocyclotriphosphazenes
Asmafiliz, Nuran; Kılıç, Zeynel; Öztürk, Aslı; Süzen, Yasemin; Hökelek, Tuncer; Açık, Leyla; Üstündağ, Zafer (Taylor & Francis LTD, 2013)The condensation reactions of hexachlorocyclotriphosphazene (N3P3Cl6) with mono (1 and 2) and bisferrocenyldiamines (3-5 and 7) resulted in the formation of tetrachloro mono- (8 and 9) and bisferrocenylspirocyclotriphosphazenes ... -
Phosphorus-nitrogen compounds: Part 26. Syntheses, spectroscopic and structural investigations, biological and cytotoxic activities, and DNA interactions of mono and bisferrocenylspirocyclotriphosphazenes
Asmafiliz, Nuran; Kılıç, Zeynel; Hökelek, Tuncer; Koç, L. Yasemin; Açık, Leyla; Süzen, Yasemin; Öner, Yağmur (Elsevier Science Sa, 2013)The condensation reactions of the tetrachloro mono (1 and 2) and bisferrocenylspirocyclotriphosphazenes (3-5) with 1,4-dioxa-8-azaspiro[4,5]decane (DASD) resulted in the formation of the partly and fully DASD-substituted ... -
Phosphorus-nitrogen compounds: Part 31. Syntheses, structural and stereogenic properties, in vitro cytotoxic and antimicrobial activities, and DNA interactions of bicyclotetraphosphazenes containing bulky side group
Mutlu, Gurcu; Elmas, Gamze; Kılıç, Zeynel; Hökelek, Tuncer; Koç, L. Yasemin; Türk, Mustafa; Dal, Hakan (Elsevier Science Sa, 2015)Hexachlorocyclotriphosphazene, N3P3Cl6, and octachlorocyclotetraphosphazene, N4P4Cl8, were reacted with K2N2O2 salt of symmetric tetradentate ligand to obtain spiro-bino-spiro [(sbs) (2)] and 2,6-spiro-ansa-spiro [(2,6-sas) ... -
The reaction of thiophenoxide with amino-substituted chloro-cyclotriphosphazenes
İbişoğlu, Hanife; Dal, Hakan; Hökelek, Tuncer; Kılıç, Adem; Un, İlker; Vardi, Sinan (Pergamon-Elsevier Science LTD, 2009)In the present work, a series of aminocyclotriphosphazene containing sulfur group compounds have been synthesised and characterised by elemental analysis, mass (MS), (1)H and (31)P NMR spectroscopies. The formation of ... -
Syntheses and structural characterization of new dithiophosphinato cadmium complexes
Sağlam, Ertuğrul Gazi; Acar, Nurcan; Süzen, Yasemin; Mougang-Soume, Berline; Hökelek, Tuncer (Indian Acad Sciences, 2015)New cadmium complexes of 4-methoxyphenyl dithiophosphinic acids, H3CO-C-6 H (4)-(R)PS2H were prepared. The five dithiophosphinato ligands (L) involved were of the general structure H3CO-C-6 H (4)-(R)PS with R = 3-methylbutyl, ... -
Syntheses and structural characterizations of a new benzyl(4-methoxyphenyl)dithiophosphinic acid and its Ni(II), Co(II), Zn(II), Cd(II), and Ni-pyridine complexes
Sağlam, Ertuğrul Gazi; Acar, Nurcan; Mougang-Soume, Berline; Dal, Hakan; Hökelek, Tuncer (Taylor & Francis LTD, 2016)Benzyl(4-methoxyphenyl)dithiophosphinic acid (HL) was obtained as solid and was treated with the NiCl(2)6H(2)O, CoCl(2)6H(2)O, ZnCl2, and CdCl2 to prepare its Ni(II), Co(II), Zn(II), and Cd(II) complexes. The nickel complex ... -
Syntheses of and structural studies on some square planar dithiophosphonato Ni(II) complexes, octahedral pyridine derivatives thereof and X-ray crystallography, DFT and molecular docking studies of the latter
Sağlam, Ertuğrul Gazi; Bulat, Elif; Zeyrek, Celal Tuğrul; Dal, Hakan; Hökelek, Tuncer (Elsevier Science BV, 2019)Five new dithiophosphonic acids ((p-MeO-C6H4)PS(SH)(OR), HLn, (n = 1-5); R = 3-pentyl-, HL1; R = 1-phenyl-1-propyl-, HL2; R = 4-tert-butyl benzyl-, HL3; R = diphenylmethyl-, HL4; R=4-tert-butylcyclohexyl-, HL5) were prepared ... -
Syntheses, characterizations and structures of NO donor Schiff base ligands and nickel(II) and copper(II) complexes
Şenol, Cemal; Hayvalı, Zeliha; Dal, Hakan; Hökelek, Tuncer (Elsevier Science BV, 2011)New Schiff base derivatives (L(1) and L(2)) were prepared by the condensation of 2-hydroxy-3-methoxybenzaldehyde (o-vanillin) and 3-hydroxy-4-methoxybenzaldehyde (iso-vanillin) with 5-methylfurfurylamine. Two new complexes ... -
Syntheses, crystal structures and spectral properties of 1D tetracyanonickelate(II) complexes with 1-ethylimidazole
Çetinkaya, Fulya; Kürkçüoğlu, Güneş Süheyla; Yeşilel, Okan Zafer; Hökelek, Tuncer; Süzen, Yasemin (Elsevier Science BV, 2013)Three new cyano-bridged tetracyanonickelate(II) complexes with 1-ethylimidazole (etim) ligand, [Ni(etim)(4)Ni(mu-CN)(2)(CN)(2)](n) (1), [Zn(etim)(4)Ni(mu-CN)(2)(CN)(2)](n) (2) and {[Cd(etim)(4)Ni(mu-CN)(2)(CN)(2)](2)center ... -
Syntheses, crystal structures, spectroscopic and thermal analyses of 3-and 4-aminomethylpyridinium tetracyanometallate(II) complexes
Karaağaç, Dursun; Kürkçüoğlu, Güneş Süheyla; Yeşilel, Okan Zafer; Hökelek, Tuncer; Süzen, Yasemin (Elsevier Science Sa, 2013)In this study, six new complexes (3ampyH)(2)[Ni(CN)(4)] (1), (3ampyH)(2)[Pd(CN)(4)] (2), (3ampyH)(2)[Pt(CN)(4)] (3), (4ampyH)(2)[Ni(CN)(4)] (4), (4ampyH)(2)[Pd(CN)(4)] (5) and (4ampyH)(2)[Pt(CN)(4)] (6) (3ampy = ... -
Syntheses, spectroscopic and crystallographic characterizations of 4-nitrobenzyloxy derivatives and benzofurans from ortho-substituted benzaldehydes and 4-nitrobenzyl bromide
Hayvalı, Zeliha; Dal, Hakan; Köksal, Pınar; Şahin, Duygu; Hökelek, Tuncer (Springer/Plenum Publishers, 2010)A series of benzyloxybenzaldehyde derivatives (1-3) were prepared by the reactions of 4-nitrobenzyl bromide with 4-hydroxy-3-methoxybenzaldehyde (vanillin), 2-hydroxy-3-methoxybenzaldehyde (o-vanillin) and 2-hydroxy-4-me ... -
Syntheses, spectroscopic and structural characterizations and metal ion binding properties of Schiff bases derived from 4 '-aminobenzo-15-crown-5
Güler, Hüseyin; Hayvalı, Zeliha; Dal, Hakan; Hökelek, Tuncer (Pergamon-Elsevier Science LTD, 2012)A series of benzyloxybenzaldehyde derivatives (1-4) were synthesized by the reactions of 4-(bromomethyl)benzonitrile with 4-hydroxy-3-methoxybenzaldehyde (vanillin), 2-hydroxy-3-methoxybenzaldehyde (o-vanillin), ... -
Syntheses, structural characterization and spectroscopic studies of cadmium(II)-metal(II) cyanide complexes with 4-(2-aminoethyl)pyridine
Karaağaç, Dursun; Kürkçüoğlu, Güneş Süheyla; Şenyel, Mustafa; Hökelek, Tuncer (Elsevier Science BV, 2017)Three new cadmium(II)-metal(II) cyanide complexes, [Cd(4aePY)(2)(H2O)(2)][Ni(CN)(4)] (1), [Cd(4aePY)(2)(H2O)(2)][Pd(cN)(4)] (2) and [Cd(4auPY)(2)(H2O)(2)][Pt(CN)(4)] (3) [4aepy = 4-(2-aminnethyl)pyridine], have been ... -
Synthesis and crystal structure of cyano-bridged three dimensional polyheteronuclear complex
Karaağaç, Dursun; Kürkçüoğlu, Güneş Süheyla; Yeşilel, Okan Zafer; Hökelek, Tuncer; Dal, Hakan (Walter De Gruyter GMBH, 2012)The cyano-bridged 3D heteronuclear polymeric complex, [Cd(NH3)(mu-ampy)Ni(mu-CN)(4)](n), (1) (ampy = 3-aminomethylpyridine), has been synthesized and characterized by FT-IR and Raman spectral, thermal and elemental analyses. ... -
Synthesis and Spectroscopic Characterizations of Novel Ni(Ii) and Co(Ii) Dithiophosphinate Complexes, and X-Ray Studies on the Ni(Ii) Complex
Sağlam, Ertuğrul Gazi; Yılmaz, Hamza; Dal, Hakan; Hökelek, Tuncer (Taylor & Francis LTD, 2012)The reaction of 2,4-bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane-2,4-disulfide (Lawesson's Reagent) with two different Grignard reagents gave the corresponding dithiophosphinic acids (DTPA), CH3OC6H4-(R)P(S)SH; [R = ... -
Synthesis of ferrocene substituted dihydrofuran derivatives via manganese(III) acetate mediated radical addition-cyclization reactions
Aslan, Hakan; Öktemer, Atilla; Dal, Hakan; Hökelek, Tuncer (Pergamon-Elsevier Science LTD, 2017)In this study, the manganese(III) acetate mediated radical addition-cyclization reactions of ferrocene substituted alkenes and active methylene compounds were carried out. The regio- and stereoselective radical cyclization ... -
Synthesis, crystal structure and ab initio/DFT calculations of a derivative of dithiophosphonates
Karakus, M.; Solak, S.; Hökelek, Tuncer; Dal, Hakan; Bayrakdar, A.; Kart, S. Özdemir; Kart, H. H. (Pergamon-Elsevier Science LTD, 2014)The compound 2 has been synthesized from the reaction of 2,4-Bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane-2,4-disulfide and (R)-1-[3,5-Bis(trifloromethyl)phenyl]ethanol in toluene. The obtained crude dithiophosphonic ... -
Synthesis, IR spectrum, thermal property and crystal structure of cyano-bridged heteronuclear polymeric complex, [Cd(teta)Ni(mu-CN)(2)(CN)(2)] center dot 2H(2)O
Kürkçüoğlu, Güneş Süheyla; Hökelek, Tuncer; Yeşilel, Okan Zafer; Aksay, Sabiha (Springer/Plenum Publishers, 2008)The cyano-bridged heteronuclear polymeric complex, [Cd(teta)Ni(mu-CN)(2)(CN)(2)] center dot 2H(2)O (1), (teta = triethylenetetraamine) was synthesized and characterized by FT-IR spectroscopy, thermal analysis and single ... -
Tetraaquabis(isonicotinamide-kappa N-1)cobalt(II) bis(4-formylbenzoate) dihydrate
Hökelek, Tuncer; Yılmaz, Filiz; Tercan, Barış; Sertcelik, Mustafa; Necefoğlu, Hacali (Int Union Crystallography, 2009)The asymmetric unit of the crystal structure of the title complex, [Co(C6H6N2O)(2)(H2O)(4)](C8H5O3)(2)center dot 2H(2)O, contains one-half of the complex cation with the Co-II ion located on an inversion center, a ...