Kurum Yazarı "Demirayak, Şeref" Scopus İndeksli Yayınlar Koleksiyonu İçin Listeleme
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Synthesis and antifungal activities of some aryl [3-(imidazol-1-yl/triazol-1-ylmethyl) benzofuran-2-yl] ketoximes
Gündoğdu-Karaburun, Nalan; Benkli, Kadriye; Tunalı, Yağmur; Uçucu, Ümit; Demirayak, Şeref (Elsevier France-Editions Scientifiques Medicales Elsevier, 2006)In this study, some aryl [3-(imidazol-1-yl/triazol-1-ylmethyl)benzofuran-2-yl] ketones, aryl (3-methyl-benzofuran-2-yl) ketoximes and aryl [3(imidazol-1-yl/triazol-1-ylmethyl)benzofuran-2-yl] ketoximes were synthesised ... -
Synthesis and Antifungal Activities of Some Aryl Naphthofuran Ketoximes
Karaburun, Ahmet Çağrı; Gündoğdu-Karaburun, Nalan; Uçucu, Ümit; Demirayak, Şeref (Bentham Science Publ LTD, 2011)In this study, some aryl naphtho[2,1-b] furan-2-yl ketoximes and their ethers and esters were synthesised. The structure elucidation of the compounds was performed by IR, H-1-NMR and MASS spectroscopic data and elemental ... -
Synthesis and antifungal activities of some aryl(benzofuran-2-yl)ketoximes
Demirayak, Şeref; Uçucu, Ümit; Benkli, Kadriye; Gündoğdu-Karaburun, Nalan; Karaburun, Ahmet Çağrı; Akar, D; Kiraz, N (Elsevier Science Sa, 2002)In this study, some aryl(benzofuran-2-yl)ketoximes and their ethers and esters were synthesised. The structure elucidation of the compounds was performed by IR, H-1 NMR and mass spectroscopic data and elemental analyses ... -
Synthesis and Antifungal Activity Evaluation of New 1,2,4-Triazole Derivatives Bearing Salicylidene Hydrazide Moiety
Demirayak, Şeref; Kayagil, İsmail; Yurttaş, Leyla; Er, Sevda (Bentham Science Publ LTD, 2016)A series of new N'-(arylidene)-2-[(1-(4-nitrophenyl)-1H-1,2,4-triazol-3-yl)oxy]acetohydrazide derivatives (116) were prepared and tested for theira ntifungal activity against six plant pathogens, three human pathogens and ... -
Synthesis and antimicrobial activities of some 3-arylamino-5-[2-(substituted 1-imidazolyl)ethyl]-1,2,4-triazole derivatives
Demirayak, Şeref; Benkli, Kadriye; Güven, Kıymet (Elsevier Masson SAS, 2000)In this study, some 3-arylamino-5-[2-(substituted imidazol-1-yl or benzimidazol-1-yl)ethyl]-1,2,4-triazole derivatives were synthesised by reacting 3-(substituted imidazol-1-yl)propionyl hydrazides, with S-methyl-N'-aryl ... -
Synthesis and antimicrobial activities of some imidazole substituted indoles
Benkli, Kadriye; Demirayak, Şeref; Gündoğdu-Karaburun, N; Kiraz, N; İşcan, Gökalp; Uçucu, U (Council Scientific & Industrial Res, 2004)The compounds 1-substituted 2-(imidazol-1-yl)-3-(4,5-diarylimidazol-2-yl) indoles 2, I-substituted 2-(imidazol-1-yl)3-(phenanthro[9,10-d]imidazol-2-yl)indoles 3 and 1-substituted 2-(imidazol-1-yl)-3-(benzimidazol-2-yl)indoles ... -
Synthesis and antimicrobial activities of some new nitroimidazole derivatives
Benkli, Kadriye; Karaburun, AC; Gündoğdu-Karaburun, N; Demirayak, Şeref; Güven, K (Pharmaceutical Society Korea, 2003)In this study, some new nitroimidazole derivatives were obtained from 2-(2-methyl-5-nitro-1H-imidazol-1-yl)ethylamine dihydrochloride (4) and 1-(2-bromoethyl)-2-methyl-5-nitroimidazole (5), which were prepared using ... -
Synthesis and antimicrobial activity evaluation of novel nitrofuranthiazoles
Yurttaş, Leyla; Şahin, Z.; Er, S.; Demirayak, Şeref (University of Istanbul, 2016)In this work, six novel 4-aryl-2-[2-((5-nitrofuran-2-yl)methylene)hydrazinyl] thiazole derivatives (2a-f) were synthesized starting from 5-nitro-2-furaldehyde diacetate by using Hantzsch thiazole synthesis. The antimicrobial ... -
Synthesis and antimycobacterial activity evaluation of isatin-derived 3- [(4-aryl-2-thiazolyl])hydrazone]-1H-indol-2,3-diones
Yurttaş, Leyla; Ertaş, Merve; Cankılıç, Meral Yılmaz; Demirayak, Şeref (University of Istanbul, 2017)A series of 3-[(4-aryl-2-thiazolyl)hydrazone]-1H-indol-2,3-dione derivatives (2a-f) were designed and synthesized using isatin as starting material. The obtained thiazole compounds were screened to investigate their ... -
Synthesis and Antiproliferative Activity of 2-arylidene 6-(2-aryl-2-oxoethoxy) Benzofuran-3-one Derivatives
Demirayak, Şeref; Yurttaş, Leyla; Karaburun, Ahmet Çağrı; Gündoğdu-Karaburun, Nalan; Kayagil, İsmail (Bentham Science Publ LTD, 2016)The synthesis of 2-arylidene 6-(2-aryl-2-oxoethoxy) benzofuran-3-one derivatives was reported and selected compounds were determined for their anticancer activity evaluation in National Cancer Institute NCI, USA according ... -
Synthesis and antitumor activity evaluation of new 2-(4-aminophenyl)benzothiazole derivatives bearing different heterocyclic rings
Yurttaş, Leyla; Tay, Funda; Demirayak, Şeref (Taylor & Francis LTD, 2015)Twenty-five new N-[4-(benzothiazole-2-yl)phenyl]acetamide derivatives bearing different heterocyclic ring systems were synthesized using 2-(4-aminophenyl)benzothiazole structure as a pharmacophoric group. Final compounds ... -
Synthesis and Biological Evaluation of Some 1,2-Disubstituted Benzimidazole Derivatives as New Potential Anticancer Agents
Yurttaş, Leyla; Demirayak, Şeref; Çiftçi, Gülsen Akalın; Yıldırım, Şafak Ulusoylar; Kaplancıklı, Zafer Asım (Wiley-V C H Verlag GMBH, 2013)The synthesis of some new 1-(2-aryl-2-oxoethyl)-2-[(morpholine-4-yl)thioxomethyl]benzimidazole derivatives and investigation of their anticancer activities were the aims of this work. 2-(Chloromethyl)benzimidazole compound ... -
Synthesis and cytotoxic and analgesic activities of some 1, 5-diaryl-3-ethoxycarbonylpyrrole derivatives
Demirayak, Şeref; Arslan, Rana; Karaburun, Ahmet Çağrı; Kayagil, İsmail; Seller, Zerrin; Uçucu, Ümit (2006)Some 1,5-diaryl-3-ethoxycarbonyl-2-methylpyrrole derivatives were obtained by reacting 1-aryl-3-ethoxycarbonylpent-1,4-diones and a suitable aniline derivative or sulfanilamide under Paal-Knorr pyrrole synthesis conditions. ... -
Synthesis and initial biological evaluation of substituted 1-phenylamino-2-thio-4,5-dimethyl-1H-imidazole derivatives
Yurttaş, Leyla; Duran, Murat; Demirayak, Şeref; Karaca Gencer, Hülya; Tunalı, Yağmur (Pergamon-Elsevier Science LTD, 2013)In this work, some new 2-[(4,5-dimethyl-1-(arylamino)-1H-imidazol-2-yl)thio]-1-(aryl) ethanone derivatives were synthesized and investigated for their antibacterial, antifungal and anticancer activities. Toxicity of the ... -
Synthesis and preliminary evaluation of new 5-pyrazolinone derivatives as analgesic agents
Gürsoy, A; Demirayak, Şeref; Capan, G; Erol, K; Vural, K (Editions Scientifiques Medicales Elsevier, 2000)New 4-(aroyloxyalkanoyl)-2,3-dimethyl-1-phenyl-3-pyrazolin-5-ones (5) were cyclized to 4-(2-aryl-5-unsubstituted/substituted oxazol-4-yl)-2,3-dimethyl-1-phenyl-3-pyrazolin-5-ones (6) employing the Davidson procedure. ... -
Synthesis and vasodilatory activity of some thiazolo-triazole derivative
In this study, some thiazolo[3,2-b]-1,2,4-triazole derivatives were synthesized. Their vasodilatory activities were examined in vitro. All examined compounds showed appreciable activity. -
Synthesis of novel 3, 5, 6-trisubstituted triazine derivatives and their biological activity evaluation as potential antitumor and anti-inflammatory agents
Yurttaş, Leyla; Şahin, Z.; Çiftçi, Gülsen Akalın; Temel, Halide Edip; Demirayak, Şeref (University of Istanbul, 2016)In this study, new 3, 5, 6-trisubstituted 1, 2, 4-triazine derivatives (1-9) were synthesized and their structures were determined by using NMR, IR and Mass spectroscopic methods. In vitro antitumor activities against MCF-7 ...