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1-acetonyl-4-(3,5-diethyl-4H-1,2,4-triazol-4-yl)-3-(2-thienylmethyl)-1H-1,2,4-triazol-5(4H)-one
Ustabas, Resat; Coruh, Ufuk; Sancak, Kemal; Dugdu, Esra; Vazquez-Lopez, Ezequiel M. (Int Union Crystallography, 2006)The title compound, C16H20N6O2S, has two similar independent molecules in the asymmetric unit, with planar triazole and thiophene rings. Intermolecular C-H center dot center dot center dot N and C-H center dot center dot ... -
5-Benzyl-4-[3-(1H-imidazol-1-yl)propyl]-2H-1,2,4-triazol-3(4H)-ones: Synthesis, spectroscopic characterization, crystal structure and a comparison of theoretical and experimental IR results by DFT calculations
Unver, Yasemin; Sancak, Kemal; Tanak, Hasan; Degirmencioglu, Ismail; Dugdu, Esra; Er, Mustafa; Isik, Samil (Elsevier, 2009)The synthesis and structural properties of novel compounds, 5-Benzyl-4-[3-(1H-imidazol-1-yl)propyl]-2H-1,2,4-triazol-3(4H)-ones (3a-c) have been described. These products were obtained by the reaction of ethyl 2-[1-ethox ... -
Synthesis and characterisations of some new 2,4-dihydro-[1,2,4]-triazol-3-one derivatives and X-ray crystal structures of 4-(3-phenylallylideneamino)-5-thiophen-2-yl-methyl-2,4-dihydro-[1,2,4]triazol-3-one
Sancak, Kemal; Unver, Yasemin; Kazak, Canan; Dugdu, Esra; Arslan, Burcu (Scientific Technical Research Council Turkey-Tubitak, 2010)Compounds 2 were synthesised via the reaction of 4-amino-5-thiophen-2-yl-methyl-2,4-dihydro-[1,2,4]triazol- 3-one (1) with aldehydes. Compounds 3 and 4 were obtained from compounds 2 with bromo acetophenone and ethyl ... -
Synthesis and characterization of novel triazol compounds containing a thiophen ring as potential antifungal agents and the structure of 2-(2-hydroxy-2-p-tolyethyl)-5-(thiophen-2-ylmethyl)-4-(4H-1,2,4-triazol-4-yl)-2H-1,2,4-triazol-3(4H)-one
Unver, Yasemin; Dugdu, Esra; Sancak, Kemal; Er, Mustafa; Ustabas, Resat (Scientific Technical Research Council Turkey-Tubitak, 2010)A series of new 4-(3,5-disubstitue-4H-1,2,4-triazol-4-yl)-5-(thiophen-2-yl-methyl)-2H-1,2,4-triazol-3(4H)-ones (3a-c) were obtained by reaction N'-1-ethoxy-2-thiophen-2-yl-ethylydene hydrazino carboxylic acid ethyl ester ... -
The synthesis of some new imidazole and triazole derivatives: crystal Structure and DFT-TDDFT investigation on electronic structure
Sancak, Kemal; Unver, Yasemin; Tanak, Hasan; Degirmencioglu, Ismail; Dugdu, Esra; Er, Mustafa; Isyik, Samil (Springer, 2010)A series of new N'-3-(1H-imidazol-1-yl)propylcarbamoyl-4-halogenebenzo hydrazonate (3a-b) were obtained by reaction Ethyl 2-((4-halogene phenyl) (ethoxy) methylene) hydrazinecarboxylate (1) and N-(3-aminopropyl)imidazole ... -
Synthesis, crystal structure, and antioxidant properties of novel 1,2,4-triazol-5-ones containing 3,4-dimethoxyphenyl and 3,4-dihydroxyphenyl moiety
Unver, Yasemin; Meydanal, Sevgi; Sancak, Kemal; Unluer, Dilek; Ustabas, Resat; Dugdu, Esra (Scientific Technical Research Council Turkey-Tubitak, 2011)A series of new 4-(3,4-dimethoxyphenethyl)-5-akyl/aryl-2H-1,2,4-triazol-3(4H)-ones (3a-g) was obtained by the reaction of ethyl 2-(ethoxy)(alkylidene/arylidene) hydrazinecarboxylate (1) and 2-(3,4-dimethoxyphenyl) ethanamine ... -
Synthesis, structural characterization and comparison of experimental and theoretical results by DFT level of molecular structure of 4-(4-methoxyphenethyl)-3,5-dimethyl-4H-1,2,4-triazole
Dugdu, Esra; Unver, Yasemin; Unluer, Dilek; Tanak, Hasan; Sancak, Kemal; Koysal, Yavuz; Isik, Samil (Pergamon-Elsevier Science Ltd, 2013)4-(4-Methoxyphenethyl)-3,5-dimethyl-4H-1,2,4-triazole (3) was synthesized from the reaction of ethyl N'-acetylacetohydrazonate (1) with 2-(4-methoxyphenyl)ethanamine (2). The structure of the title compound 3 has been ...