Yazar "Sancak, Kemal" için listeleme
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4-(4-(( 5-Amino-1,3,4-thiadiazol-2-yl)methoxy) phenyl)-1-(( 5-amino-1,3,4-thiadiazol-2-yl)methyl)-3-benzyl-1H-1,2,4-triazol-5( H)-one: Synthesis, characterization and computational studies
Ünlüer, Dilek; Ünver, Yasemin; Duğdu, Esra; Akçay, Hakkı Türker; Sancak, Kemal (Bentham Science Publ Ltd, 2016)Background: 1,2,4-triazole and its derivatives are known to have various biological activities such as antifungal, antiviral, antidepressant, antitumor, anti-inflammatory, antitubercular, antimigrain and anti-cancer. ... -
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 1,3,4-thiadiazol derivatives: Synthesis, computational study and X-Ray
Ünlüer, Dilek; Düğdü, Esra; Emirik, Mustafa; ŞAhin, Onur; Ünver, Yasemin; Sancak, Kemal (Elsevier, 2020)In this study, 4-hydroxyphenyl-3H-1,2,4-triazol-3-one derivatives (la-d), cyanomethoxyphenyl-3-alkyl/aryl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-acetonitriles (2a-d) and bis amino-1,3,4-thiadiazol-5-alkyl/aryl-2,4-dihydro-3H ... -
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 ... -
Synthesis and antimicrobial evaluation of novel di-triazoles and 4-arylidene amino 4,5 dihydro-1H-[1,2,4] triazole-5-one derivatives
Ünver, Yasemin; Düǧdü, Esra; Sancak, Kemal; Er, Mustafa; Karaoǧlu, Şengül Alpay (TUBİTAK, 2008)A series of novel di-[3(thiophen-2-yl-methyl)-4,5-dihydro-1H-[1,2,4] triazole-5-one-4yl]n-alkanes (2a-h) were obtained by the reaction of N'-1-ethoxy-2-thiophen-2-yl-ethylydene hydrazino carboxylic acid ethyl ester (1) and ... -
Synthesis of novel symmetrical 1,4-disubstituted 1,2,3-bistriazole derivatives via 'click chemistry' and their biological evaluation
Düğdü, Esra; Unluer, Dilek; Çelik, Fatih; Sancak, Kemal; Karaoğlu, Şengül Alpay; Özel, Arzu (Mdpi, 2016)A series of symmetric bis-1,2,3-triazole compounds 2-5(a-f) were synthesized as potential antioxidant agents via click chemistry. Their structures were confirmed by H-1-NMR and C-13-NMR. All of the synthesized compounds ... -
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, 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 ...
