Yazar "Değirmencioğlu, İsmail" için listeleme
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Binuclear transition metal complexes of a novel lateral ‒N-methylthiosemicarbazone through the central ethylene bridge: Synthesis, structural characterization and the response of ligand molecule to different solvent media
Er, Mustafa; Sancak, Kemal; Değirmencioğlu, İsmail; Serbest, Kerim (Elsevier, 2008)The condensation of 2,2?-(2,3-bis((1-formylnaphthalen-2-yloxy)methyl)but-2-ene-1,4-diy l)bis(oxy)di-1-naphthaldehyde with 4-methyl thiosemicarbazide gave a novel N-methylthiosemicarbazone and then the reaction of this ... -
Microwave-assisted synthesis and characterization and theoretical calculations of the first example of free and metallophthalocyanines from salen type Schiff base derivative bearing thiophen and triazole heterocyclic rings
Serbest, Kerim; Değirmencioğlu, İsmail; Ünver, Yasemin; Er, Mustafa; Kantar, Cihan; Sancak, Kemal (Elsevier, 2007)Novel metal-free and metallophthalocyanine complexes of Co, Ni, Cu, and Zn have been synthesized by exposure to microwave irradiation and reflux conditions and the products purified by several techniques. The newly prepared ... -
New olefinic centred binuclear clamshell type phthalocyanines: Design, synthesis, structural characterisation, the stability and the change in the electron cloud at olefine-based symmetrical diphthalonitrile fragment by the combined application of UV-Vis electronic structure and theoretical methods
Değirmencioğlu, İsmail; Bayrak, Rıza; Er, Mustafa; Serbest, Kerim (Elsevier, 2011)The olefinic centred Schiff base (3) was obtained from the condensation of substituted dialdehyde (1) with 2-amino-4-methylphenol (2) in a 1:2 ratio. The diphthalonitrile derivative (5) was prepared by the reaction of ... -
Ni(II), Cu(II), and Zn(II) complexes of tetradentate schiff base containing two thiadiazoles units: Structural, spectroscopic, magnetic properties, and molecular modeling studies
Serbest, Kerim; Kayı, Hakan; Er, Mustafa; Sancak, Kemal; Değirmencioğlu, İsmail (Wiley, 2008)Four new mononuclear metal complexes with a mononucleating Schiff base ligand containing two thiadiazoles units have been synthesized. The ligand and metal complexes were characterized by elemental analyses, IR, 1H, and ... -
Novel phthalocyanines containing substituted salicyclic hydrazone-1,3-thiazole moieties: Microwave-assisted synthesis, spectroscopic characterization, X-ray structure and thermal characterization
Değirmencioğlu, İsmail; Atalay, Esra; Er, Mustafa; Köysal, Yavuz; Işık, Şamil; Serbest, Kerim (Elsevier, 2010)Novel, metal-free and metallo(Cu, Co, Ni, Zn, Pb and Mn)phthalocyanine compounds were synthesized by exposure to microwave irradiation and the products purified. The newly prepared compounds were characterized using elemental ... -
Photophysical and photochemical study on novel axially chalcone substituted silicon (IV) phthalocyanines
Kahriman, Nuran; Ünver, Yasemin; Akçay, Hakkı Türker; Gülmez, Asuman Dakoğlu; Durmuş, Mahmut; Değirmencioğlu, İsmail (Elsevier, 2020)The novel axially chalcone bearing furan or thiphene groups substituted silicon (IV) phthalocyanine complexes were synthesized in this study. These novel phthalocyanines were characterized by general spectroscopic methods ... -
Photophysical and photochemical study on the tetra 4-isopropylbenzyloxy substituted phthalocyanines
Yalçın, İzzet; Yanık, Hülya; Akçay, Hakkı Türker; Değirmencioğlu, İsmail; Durmuş, Mahmut (Elsevier Science Bv, 2017)In this study, the novel peripherally tetra 4-isopropylbenzyloxy substituted metal-free (4) zinc(II) (5) and oxotitanium(IV) (6) phthalocyanine complexes were synthesized. Furthermore, the axially 4-isopropylbenzyloxy ... -
Studies on synthesis, structure, and DNA cleaving of homo-dinuclear Mn(II), Cu(II), Ni(II), and Zn(II) complexes with a heterocycle-based macroacyclic Schiff base
Baran, Talat; Karaoğlu, Kaan; Serbest, Kerim; Ağır, Hülya; Sandallı, Cemal; Değirmencioğlu, İsmail (Springer Wien, 2013)(E,E',E'',E''')-N,N',N'',N'''-[(1,2-ethenyliden)tetrakis[methylenoxy(2,1-naphthalinediyl)methylidyne]tetrakis[1,2,4-triazol-4-amine] and its novel homo-dinuclear Mn(II), Ni(II), Cu(II), and Zn(II) complexes have been ... -
Substituted phthalocyanines and their electropolymerization properties
Bayrak, Rıza; Akçay, Hakkı Türker; Bıyıklıoğlu, Zekeriya; Değirmencioğlu, İsmail (Elsevier Science Sa, 2016)In this study, new metal-free and metallo-phthalocyanine complexes (Co, TiO) were synthesized using a piperazine-substituted phthalonitrile derivative. All proposed structures were supported by instrumental methods. ... -
Synthesis and spectroscopic studies of homo-binuclear, alkoxo bridged homo- and hetero-tetranuclear metal complexes of a bis-N 2O 4 Schiff base ligand derived from ethanolamine and macroacyclic tetranaphthaldehyde
Karaoğlu, Kaan; Baran, Talat; Değirmencioğlu, İsmail; Serbest, Kerim (Elsevier, 2011)Three new homo-binuclear Ni(II), Cu(II), Zn(II) complexes (2-4), homo-tetranuclear Cu(II) complex (5), and hetero-tetranuclear Cu(II)-Ni(II) complex (6) of a macroacyclic potentially bis-hexadentate N 2O 4 Schiff base have ... -
Synthesis, characterization and cyclization reactions of some new bisthiosemicarbazones
Er, Mustafa; Ünver, Yasemin; Sancak, Kemal; Değirmencioğlu, İsmail; Karaoğlu, Şengül Alpay (Arkat, 2009)The reaction of trans-1, 4-dichloro-2-butene 1 with selected phenols affords (E)-1, 4-bis(aryloxy)-2-butenes 2a-d which are converted into bis-thiosemicarbazones 3a-h via the reactions with thiosemicarbazide and 4-methyl ... -
Synthesis, characterization and properties of tetra((l-hydroxyimino- methylnaphthalen-2-yloxy)methyl)etheneandits homo-dinuclear metal complexes: A combined experimental and theoretical investigation
Serbest, Kerim; Karaoğlu, Kaan; Erman, Murat; Er, Mustafa; Değirmencioğlu, İsmail (Elsevier B.V., 2010)Tetra((l-hydroxyiminomethylnaphthalen-2-yloxy)methyl)ethene (THlMNYOME), H4L, was synthesized by the agents of 2-hydroxy-l -naphtaldehyde, tetra(bromomethyl)ethene and hydroxylamine hydrochloride in two steps. Characterization ... -
Synthesis, characterization, spectral and electrical properties of peripherally tetratriazole-substituted phthalocyanines and its metal complexes
Bayrak, Rıza; Karaoğlu, Kaan; Ünver, Yasemin; Sancak, Kemal; Dumludağ, Fatih; Değirmencioğlu, İsmail (Elsevier, 2012)The substituted [1,2,4]triazole 3 was obtained from the reaction between compound 1 and compound 2. Novel substituted phthalonitrile 5 was prepared by the substitution of the nitro group of 4-nitrophthalonitrile 4 with ... -
Synthesis, photophysical and photochemical properties of highly soluble phthalocyanines substituted with four 3,5-dimethylpyrazole-1-methoxy groups
Bayrak, Rıza; Akçay, Hakkı Türker; Durmuş, Mahmut; Değirmencioğlu, İsmail (Elsevier, 2011)The synthesis and characterization of new peripherally tetra-3,5- dimethylpyrazole-1-methoxy substituted metal-free (4), zinc (5), nickel (6), cobalt (7), copper (8) and lead (9) phthalocyanines are described for the first ...
