Yazar "Ünver, Yasemin" 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. ... -
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 ... -
New chalcone derivatives with Schiff base-thiophene: Synthesis, biological activity, and molecular docking studies
Ünver, Yasemin; Tuluk, M.; Kahriman, Nuran; Emirik, Mustafa; Bektaş, Ersan; Direkel, Şahin (Maik Nauka/Interperiodica/Springer, 2019)New thiophene chalcones 3, 6 and thiophene Schiff base-chalcone derivatives 4a-4d, 7a-7d are synthesized. Structures of the compounds are confirmed by H-1 and C-13 NMR, and IR spectra. According to antimicrobial and ... -
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 ... -
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 nonperipherally tetra-[5-(diethylamino)-2-formylphenoxy] substituted metallophthalocyanines and their electrochemistry
Keleş, Turgut; Ünlüler, Dilek; Bıyıkoğlu, Zekeriya; Ünver, Yasemin (TUBITAK, 2021)3-[5-(diethylamino)-2-formylphenoxy]phthalonitrile (n-TY-CN), metallophthalocyanines n-TY-Co, n-TY-Cu, and n-TY-Mn bearing [5-(diethylamino)-2-formylphenoxy] groups at nonperipheral positions were prepared for the first ... -
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 ...
