Başlık için Fen Edebiyat Fakültesi listeleme
Toplam kayıt 1429, listelenen: 1264-1283
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Synthesis and properties of triazol-5-one substituted phthalocyanines by microwave irradiation
(TÜBİTAK, 2006)Triazol-5-one substituted phthalocyanines were prepared quickly by the reaction of 4-nitrophthalonitrile with anhydrous metal salts in DBU (1,8-diazabicyclo[5,4,0]undec-7-ene) and DMAE (dimethylaminoethanol) by microwave ... -
Synthesis and solvent-dependent photophysics of a novel fluorescent triazole-coumarin-based dye
(Wiley, 2020)Synthesis of a new coumarin-triazole-based dye and its photophysical parameters such as absorption, fluorescence emission, and fluorescence quantum yield were investigated. Studies have shown that the present dye has ... -
Synthesis and spectroscopic characterization of novel methoxy bridged benzimidazolyl-substituted phthalocyanines as potent inhibitors of urease
(Pergamon-Elsevier Science Ltd, 2020)In this study, novel peripherally 4-[(1H-benzimidazol-1-yl)methoxy] substituted Zn(II) (3) Cu(II) (4) and Co(II) (5) phthalocyanines were prepared and their structures were characterized spectroscopically. the light ... -
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
(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 and study of alpha-glucosidase inhibitory, antimicrobial and antioxidant activities of some benzimidazole derivatives containing triazole, thiadiazole, oxadiazole, and morpholine rings
(Springer, 2015)A new series of 2-(4-bromobenzyl)- and 2-(4-fluorobenzyl)-1H-benzimidazole derivatives containing 1,2,4-triazole, 1,3,4-thiadiazole, 1,3,4-oxadiazole, and morpholine rings has been synthesized. the structures of the newly ... -
Synthesis and study of antitumor activity of some new 2-(4-methoxybenzyl)-1h-benzimidazole derivatives bearing triazole, oxadiazole and ethanol moiety
(Editura Acad Romane, 2016)A series of novel 1,2-disubstituted benzimidazole derivatives containing hydrazinecarbothioamide (7a-c), 1,2,4-triazole (8a-c) and 1,3,4-oxadiazole (5) moiety were synthesized starting from 2-(4-methoxybenzyl)-1H-benzimidazole. ... -
Synthesis and urease inhibition activities of some new schiff bases benzimidazoles containing thiophene ring
(Springer, 2024)Objective: Schiff bases are significant pharmacophores and show varied biological applications such as antiurease, antidiabetic, antioxidant, antifungal, antibacterial, and anticancer. In this study, new Schiff bases ... -
Synthesis and urease inhibition studies of some new quinazolinones
(Wiley, 2021)In this study, novel quinazolinones were designed, synthesized, characterized by FT-IR, H-1-NMR, C-13-NMR spectral data, and LC-MS. New compounds inhibitory activities on urease were assessed. All of the compounds exhibited ... -
Synthesis and urease inhibition study of some new quinazolinone derivatives bearing triazole, thiadiazole, and piperazine moiety
(Wiley, 2018)A new series of 2,3-disubstituted quinazolin-4(3H)-one derivatives bearing triazole and thiadiazole nucleus has been synthesized and then screened for their urease inhibition properties. All synthesized compounds showed ... -
Synthesis of 1,2,4-Triazole derivatives and determination of protonation constant
(2009)A microwave irradiation method has been developed for the synhesis of some 1,2,4-triazole derivatives using environmentally benign solvent ethanol in open vessels. Twelve 1,2,4-triazole derivatives were synthesized in good ... -
Synthesis of 4-Amino-4,5-dihydro-1H-1,2,4-triazole-5-ones and their Isatin-3-imine Derivatives
(MDPI, ST ALBAN-ANLAGE 66, 2005)Iminoester hidroklorürler 1 sentezlenmiştir. Bu bileşikler daha sonra ester etoksikarbonil hidrazonlar 2'ye dönüştürüldü ve bunlardan sırasıyla yeni bir ikame edilmiş 4-amino-4,5-dihidro-lH-1,2,4-triazol-5-onlar, 3 serisi ... -
Synthesis of 5-methyl-2,4-dihydro-3H-1,2,4-triazole-3-one's aryl Schiff base derivatives and investigation of carbonic anhydrase and cholinesterase (AChE, BuChE) inhibitory properties
(Academic Press Inc Elsevier Science, 2019)Carbonic anhydrase enzymes (EC 4.2.1.1, CAs) are metalloenzyme families that catalyze the rapid conversion of H2O and CO2 to HCO3- and H+. CAs are found in different tissues where they participate in various significant ... -
Synthesis of Benzimidazole derivatives containing Schiff base exhibiting antiurease activities
(Sivas Cumhuriyet Üniversitesi, 2021)In this study some novel Schiff bases derivatives of benzimidazole containing thiophene ring were designed and synthesized by using various aldehydes. Seven different aromatic aldehydes with various side groups were used ... -
Synthesis of benzimidazoles containing piperazine ring as potential therapeutic agents against diabetes mellitus and antioxidant activities
(Elsevier, 2024)We synthesized a novel 6-(4-substitue-piperazin-1-yl)-2-aryl-1H-benzimidazole derivatives starting from 5-(4-substitue-piperazin-1-yl)-2-nitroaniline with different aldehydes. A quick "onepot" nitro reductive cyclization ... -
Synthesis of eperezolid-like molecules and evaluation of their antimicrobial activities
(Springer Link, 2012)3-Fluoro-4-(4-phenylpiperazin-l-yl)aniline (II) prepared from 3,4-difluoro nitrobenzene was converted to the corresponding Schiff bases (III) and (IV) by treatment with 4-methoxybenzaldehyde and indol-3-carbaldehyde, ... -
Synthesis of hydroxy benzoin/benzil analogs and investigation of their antioxidant, antimicrobial, enzyme inhibition, and cytotoxic activities
(Scientific Technical Research Council Turkey - TUBİTAK, 2021)In this study, hydroxy benzoin (1-7), benzil (8-14), and benzoin/benzil-O-beta-D-glucosides (15-25) were synthesized to investigate their biological activities. An efficient method for synthesizing hydroxy benzoin compounds ... -
Synthesis of methyl (E)-2′,4″-thiazachalcones and their N-alkyl derivatives, photochemistry with theoretical calculations and antimicrobial activities
(TUBİTAK, 2009)A series of 9 new (E) -thiazachalcones (1-3), and their N -alkyl substituted derivatives (4-6), and stereoselective dimerization products (7-9) were synthesized, then tested for antimicrobial activity against all test ... -
Synthesis of new coumarin containing benzimidazole derivatives
(Science Reviews 2000 Ltd, 2015)This study describes the synthesis of a new series of benzimidazoles that contain a coumarin moiety. the high yielding synthetic reaction was between hydrazide derivatives of benzimidazoles and 3-(1H-benzotriazol-1-ylcar ... -
Synthesis of new coumarin-C-3 benzimidazole hybrids and their urease inhibition studies
(Bentham Science Publications, 2023)A novel series of coumarin-benzimidazole hybrids were designed, synthesized, and extensively characterized using spectral data, including FT-IR, H-1-NMR, and C-13-NMR. Weatherburn's method was used to test new compounds' ... -
Synthesis of new fluorine-containing 1,2,4-triazole-5-on derivatives with their anti-urease, anti-xanthine oxidase and antıoxidant activities
(Editura Acad Romane, 2016)Acetohydrazide derivatives (3a, b) were obtained starting from 3-(2 or 4-fluorobenzyl)-4-amino-4,5-dihydro-1H-1,2,4-triazole-5-one (la, b) by two steps. Compounds 3a, b were converted to the corresponding methylideneacetohydrazide ...
