Yazar "Dal, Hakan" için WoS İndeksli Yayınlar Koleksiyonu listeleme
-
Diaquabis(N,N-diethylnicotinamide-kappa N-1)bis[4-(dimethylamino)benzoato-kappa O]cobalt(II)
Hökelek, Tuncer; Dal, Hakan; Tercan, Barış; Aybirdi, Özgür; Necefoğlu, Hacali (Int Union Crystallography, 2009)The title Co-II complex, [Co(C9H10NO2)(2)(C10H14N2O)(2)-(H2O)(2)], is centrosymmetric. It contains two dimethylaminobenzoate (DMAB) and two diethylnicotinamide (DENA) ligands and two water molecules, all of them being ... -
Diaquabis[4-(dimethylamino)benzoato-kappa O](isonicotinamide-kappa N-1)manganese(II)
Hökelek, Tuncer; Dal, Hakan; Tercan, Barış; Aybirdi, Özgür; Necefoğlu, Hacali (Int Union Crystallography, 2009)The title Mn-II complex, [Mn(C9H10NO2) (2)(C6H6N2O)(H2O)(2)], contains two 4-(dimethylamino) benzoate (DMAB) anions, one isonicotinamide (INA) ligand and two coordinated water molecules. One of the DMAB anions acts as a ... -
Diaquabis[4-(dimethylamino)benzoato](isonicotinamide)zinc(II)
Hökelek, Tuncer; Dal, Hakan; Tercan, Barış; Aybirdi, Özgür; Necefoğlu, Hacali (Int Union Crystallography, 2009)The molecule of the title Zn-II complex, [Zn(C9H10NO2)(2)( C6H6N2O)(H2O)(2)], contains two 4-(dimethylamino)benzoate (DMAB) ligands, one isonicotinamide (INA) ligand and two water molecules; one of the DMAB ions acts as a ... -
Diaquabis[4-(dimethylamino)benzoato]-kappa O-2,O ';kappa O-(isonicotinamide-kappa N-1)cobalt(II)
Hökelek, Tuncer; Dal, Hakan; Tercan, Barış; Aybirdi, Özgür; Necefoğlu, Hacali (Int Union Crystallography, 2009)The title Co-II complex, [Co(C9H10NO2)(2)(C6H6N2O)(H2O)(2)], contains two 4-dimethylaminobenzoate (DMAB) anions, one isonicotinamide (INA) ligand and two coordinated water molecules. One of the DMAB anions acts as a bidentate ... -
Efficient syntheses and antimicrobial activities of new thiophene containing pyranone and quinolinone derivatives using manganese(iii) acetate: the effect of thiophene on ring closure-opening reactions
Özgür, Mehtap; Yılmaz, Mehmet; Nishino, Hiroshi; Avar, Eda Çınar; Dal, Hakan; Pekel, A. Tarık; Hökelek, Tuncer (Royal Soc Chemistry, 2019)The syntheses of a new series of pyranones, namely, fused pyranones and quinoline-based dihydrofurans, accompanied by 3-alkenyl-substituted structures were investigated. The products were regioselectively formed by ... -
Electrochemical and theoretical investigation on the corrosion of aluminium in acidic solution containing some Schiff bases
Yurt, Ayşel; Ulutas, S.; Dal, Hakan (Elsevier Science BV, 2006)The effect of newly synthesised three Schiff bases-2-[2-aza-2-(5-methyl(2-pyridly))vinyl]phenol, 2-[2-aza-2-(5-methyl(2-pyridly))vinyl]-4-bromophenol, 2-[2-aza-2-(5-methyl(2-pyridly))vinyl]-4-chlorophenol-on the corrosion ... -
Energetic trinuclear Ni-II-Ni-II-Ni-II complexes at high temperature
Çakırer, O.; Eker, E.; Ergün, U.; Gökçınar, E.; Yıldırım, L. Tatar; Dal, Hakan; Atakol, O. (Springer, 2010)Two ONNO type naphtaldehyde derivative Schiff base compounds were reduced and two symmetric phenol-amine ligands containing naphthalene groups were obtained; bis-N,N'[(2-hydroxy-1-naphtyl) methyl]-1,3-propanediamine (NAFL(H)) ... -
Ethyl 1-oxo-1,2,3,4-tetrahydro-9H-carbazole-3-carboxylate
Hökelek, Tuncer; Dal, Hakan; Tercan, Barış; Göçmentürk, Mustafa; Ergün, Yavuz (Int Union Crystallography, 2009)The title compound, C15H15NO3, contains a carbazole skeleton with an ethoxycarbonyl group at the 3 position. In the indole ring system, the benzene and pyrrole rings are nearly coplanar, forming a dihedral angle of 1.95 ... -
Ethyl 4-hydroxy-9-tosyl-9H-carbazole-3-carboxylate
Hökelek, Tuncer; Dal, Hakan; Tercan, Barış; Gülle, Sibel; Ergün, Yavuz (Int Union Crystallography, 2009)In the title compound, C22H19NO5S, the carbazole skeleton is nearly planar [maximum deviation = 0.043 (1) angstrom] with the pyrrole ring oriented at dihedral angles of 2.32 (6) and 1.77 (6)degrees with respect to the ... -
Experimental and theoretical investigation of a novel mononuclear copper(II) azido compound with tridentate (NNO) Schiff base
Karahan, Ahmet; Karabulut, Sedat; Dal, Hakan; Kurtaran, Raif; Leszczynski, Jerzy (Elsevier, 2015)The tridentate (NNO) Schiff base (HL), has been prepared by the condensation of 2-(aminomethyl)pyridine with 5-chloro-salicylaldehyde. The mononuclear [N-(2-pyridylmethyl)-3-chloro-salicylaldiminato] (azido) copper(II) ... -
An experimental and theoretical investigation on adsorption properties of some diphenolic Schiff bases as corrosion inhibitors at acidic solution/mild steel interface
Yurt, Ayşel; Duran, Berrin; Dal, Hakan (Elsevier Science BV, 2014)The effect of novel synthesized three Schiff bases, namely, 1,3-bis[2-(2-hydroxy benzylidenamino) phenoxy] propane (P1), 1,3-bis[2-(5-chloro-2-hydroxybenzylidenamino)phenoxy] propane (P2), and 1,3-bis[2-(5-bromo-2-hydrox ... -
Formation of novel spiro, spiroansa and dispiroansa derivatives of cyclotetraphosphazene from the reactions of polyfunctional amines with octachlorocyclotetraphosphazatetraene
İbişoğlu, Hanife; Çiftçi, Gönül Yenilmez; Kılıç, Adem; Tanrıverdi, Esra; Un, İlker; Dal, Hakan; Hökelek, Tuncer (Indian Acad Sciences, 2009)Nucleophilic substitution reactions of N4P4Cl8, with di-, tri-, and tetra-functional reagents such as N-methyl-1,3-propanediamine, N,N'-methyl-1,3-propanediamine, spermidine and spermine were investigated in this study. ... -
Hydrothermal Synthesis and Crystal Structure of Novel Oxovanadium Coordination Polymer: [((VO)-O-IV)(2)(OH)(2)(C10H6(COO)(2))](infinity)
Çevik, Sabri; Alkaya, Zeynep Alkan; Dal, Hakan; Sarı, Musa (Taylor & Francis Inc, 2016)A novel coordination polymer [((VO)-O-IV)(2)(OH)(2)(C10H6(COO)(2))](infinity) based on vanadium(IV) and 2,6-naphthalenedicarboxylato ligand has been prepared by hydrothermal synthetic method. The compound was characterized ... -
Intramolecular Hydrogen Bonding and Tautomerism in Schiff Bases: Synthesis, Spectroscopic and Theoretical Studies of N-(2,2 '-Methylenebis(4-methoxyphenyl)salicylidene and N-(2,2 '-Methylenebis(4-methoxyphenyl)-2-oxonaphthalidene-methylamine
Dal, Hakan (Asian Journal Of Chemistry, 2014)The new Schiff bases (4 and 5) were synthesized respectively from the reaction of 2,2'-methylenebis(4-aminomethoxybenzene) (3) with salicylaldehyde and 2-hydroxy-1-naphthaldehyde. The products have been characterized by ... -
N-ferrocenoyl benzotriazole: A convenient tool for the synthesis of ferrocenoyl esters
Hür, Deniz; Ekti, Sultan Funda; Dal, Hakan (Elsevier Science Sa, 2010)A new synthesis methodology has been presented for the preparation of the ferrocenoyl esters. Ferrocene carboxylic acid was derivatized using direct 1H-benzotriazole/SOCl(2) methodology to prepare N-ferrocenoyl benzotriazole ... -
The new dispirobino and dispiroansa spermine derivatives of cyclotriphosphazenes
Çiftçi, Gönül Yenilmez; Dal, Hakan; Ecik, Esra Tanriverdi; Hökelek, Tuncer; Kılıç, Adem; Senkuytu, Elif (Pergamon-Elsevier Science LTD, 2010)In this study, the crystal structures of the dispiroansa spermine derivatives of cyclotriphosphazene are characterised for the first time. The reaction of spiro-, gem-disubstituted cyclotriphosphazene derivatives, ... -
New energetic Silver(I) complexes with Nnn type Pyrazolylpyridine ligands and oxidizing anions
Atakol, Arda; Svoboda, Ingrid; Dal, Hakan; Atakol, Orhan; Nazir, Hasan (Elsevier, 2020)The high energy complexes [Ag (pp) (NO3)] (I), [Ag (dmpp) (NO3)] (II), [Ag (pp)ClO3)] (III), [Ag (dmpp) (ClO3)] (IV), [Ag (pp) (ClO4)] (V), [Ag (dmpp) (ClO4)] (VI) were synthesized from the ligands, Bis-2,6(Pyrazol-1-yl)Pyridine ... -
New NO donor ligands and complexes containing furfuryl or crown ether moiety: Syntheses, crystal structures and tautomerism in ortho-hydroxy substituted compounds as studied by UV-vis spectrophotometry
Şahin, Duygu; Koçoğlu, Serhat; Şener, Öznur; Şenol, Cemal; Dal, Hakan; Hökelek, Tuncer; Hayvalı, Zeliha (Elsevier Science BV, 2015)NO donor ligands were prepared by the condensation of methoxy substituted salicylaldehyde with 5-methylfurfurylamine (I and 2) and 4'-aminobenzo-15-crown 5 (3-5). New crown ether ligands of Schiff base type (3-5) containing ... -
One-dimensional cyano-bridged heterometallic (Cu/Ni and Cu/Pd) complexes with 1-ethylimidazole
Çetinkaya, Fulya; Kürkçüoğlu, Güneş Süheyla; Yeşilel, Okan Zafer; Hökelek, Tuncer; Dal, Hakan (Pergamon-Elsevier Science LTD, 2012)Two new cyano-bridged heteronuclear polymeric complexes, {[Cu(etim)(4)Ni(mu-CN)(2)(CN)(2)]center dot H2O}(n) (1) and [Cu(etim)(4)Pd(mu-CN)(2)(CN)(2)](n) (2) (etim = 1-ethylimidazole) were synthesized and characterized by ... -
Phosphorus nitrogen compounds: Part 34. Syntheses, structural investigations, cytotoxic and biological activities of spiro-ansa-spiro and spiro-bino-spiro tetrameric phosphazene derivatives
Berberoğlu, İpek; Asmafiliz, Nuran; Kılıç, Zeynel; Hökelek, Tuncer; Koç, L. Yasemin; Açık, Leyla; Dal, Hakan (Elsevier Science Sa, 2016)The reactions of N4P4Cl8 with the symmetric N2N2 (1-3) and N2O2 (4) bulky ligands gave partly substituted 2,4-sas (5 and 6), 2,6-sas (7-10) and sbs (11-14) tetrameric phosphazene derivatives. The 2,4-sas-5, 2,6-sas-8 and ...