Yazar "Karaali, Nesrin" için listeleme
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Bazı yeni perimidin ve bisbenzimidazol türevi bileşiklerin mikrodalga ışıma ile sentezi, yapılarının aydınlatılması ve antimikrobiyal aktivitelerinin incelenmesi
Karaali, Nesrin (Recep Tayyip Erdoğan Üniversitesi / Fen Bilimleri Enstitüsü / Kimya Anabilim Dalı, 2013)Azot atomu içeren heterosiklik bileşiklerin sentezi, çeşitli alanlardaki kullanımları, güvenilirlikleri ve yüksek terapötik etkilerinden dolayı son yıllarda giderek önem kazanmaktadır. Bu çalışmada bazı diamino bileşiklerinin ... -
A convenient method for the synthesis of 3,4-dihydroquinazolines from iminoester hydrochlorides via microwave irradiation
Karaali, Nesrin (Sage Publications Ltd, 2019)This is work presents a simple and practical strategy for the synthesis of 2-substituted-3,4-dihydroquinazolines in which the ring closure reaction of 2-aminobenzylamine with corresponding iminoester hydrochlorides via ... -
Microwave-assisted synthesis and biological evaluation of some benzimidazole derivatives containing a 1,2,4-triazol ring
Menteşe, Emre; Karaali, Nesrin; Yılmaz, Fatih; Ülker, Serdar; Kahveci, Bahittin (Wiley-V C H Verlag Gmbh, 2013)A new series of 2-(4-(trifluoromethyl)phenyl)-1H-benzo[d]imidazole derivatives containing a 1,2,4-triazole ring were synthesized via microwave technique. This efficient procedure provides pure products within a few minutes. ... -
Microwave-assisted synthesis of some 1H-1,2,4-triazol-3-one derivatives
Karaali, Nesrin; Menteşe, Emre; Yılmaz, Fatih; Usta, Asu; Kahveci, Bahittin (Bureau Scientific Publ, 2013)4-Amino-5-(methyl/ethyl)-2,4-dihydro-3H-1,2,4-triazol-3-one were synthesized from the reaction of (methyl/ethyl)-ester ethoxycarbonyl hydrazone with hydrazine hydrate and then, converted to corresponding Schiff bases using ... -
Microwave-assisted synthesis of some 5(6)-nitro-1h-benzimidazoles and their hydrazide derivatives
Yılmaz, Fatih; Menteşe, Emre; Karaali, Nesrin; Kahveci, Bahittin (Chem Soc Ethiopia, 2013)A series of 5(6)-nitro-1H-benzimidazole and their hydrazide derivatives were synthesized starting from iminoester hydrochloride and 4-nitro-o-phenylenediamine under microwave irradiation. the structure of all synthesized ... -
Mıcrowave-assısted synthesıs of some nıtro-benzımıdazoles and theır salıcyl and ısatın schıff bases
Yılmaz, Fatih; Karaali, Nesrin; Şaşmaz, Selami (Chem Soc Ethiopia, 2017)A series of 5-nitrosubstituted benzimidazole and 6-nitro substituted benzimidazole derivatives were synthesized starting from iminoester hydrochloride and 4-nitro-o-phenylenediamine under microwave irradiation. the structure ... -
A Novel route to one-pot three-component synthesis of benzimidazo [2,1-b]-quinazolin-1-one derivatives
Kahveci, Bahittin; Yılmaz, Fatih; Menteşe, Emre; Karaali, Nesrin (Bentham Science Publ Ltd, 2013)One-pot three-component synthesis of benzimidazo[2,1-b]-quinazolin-1-ones was efficiently performed under microwave irradiation and solvent-free condition. the method provides some advantages such as low cost, experimental ... -
Rapid synthesis and lipase inhibition activity of some new benzimidazole and perimidine derivatives
Menteşe, Emre; Yılmaz, Fatih; Karaali, Nesrin; Ülker, Serdar; Kahveci, Bahittin (Maik Nauka/Interperiodica/Springer, 2014)This study presents a synthesis of new series of some benzimidazole, bisbenzimidazole and perimidine derivatives via microwave technique, which, leads to the good product yields and short reaction times. the structure of ... -
Synthesis and antimicrobial activities of some new 1,2,4-triazole derivatives
Bektaş, Hakan; Karaali, Nesrin; Şahin, Deniz; Demirbaş, Ahmet; Karaoğlu, Şengül Alpay; Demirbaş, Neslihan (MDPI, 2010)Some novel 4,5-disubstituted-2,4-dihydro-3H-1,2,4-triazol-3-one (3, 6, 8, 9) derivatives and or 3-(4-methylphenyl)[1,2,4]triazolo[3,4-b][1,3]benzoxazole (5) were synthesized from the reaction of various ester ethoxycarbo ... -
Synthesis and antioxidant, antiurease and anti-xanthine oxidase activities of some new benzimidazoles bearing triazole, oxadiazole, thiadiazole and imin function
Karaali, Nesrin; Baltaş, Nimet; Menteşe, Emre (Natl Inst Science Communication & Information Resources-Niscair, 2018)In this study, a series of new 2-(4-nitrobenzyl)-1H-benzimidazole derivatives bearing thiosemicarbazide, triazole, oxadiazole and thiadiazole moieties at the 1st position of benzimidazole ring have been synthesized and ... -
Synthesis and evaluation of alpha-glucosidase and pancreatic lipase inhibition by quinazolinone-coumarin hybrids
Menteşe, Emre; Karaali, Nesrin; Akyüz, Gülay; Yılmaz, Fatih; Ülker, Serdar; Kahveci, Bahittin (Springer, 2016)A new series of 2-substituted quinazolin-4(3H)-one derivatives including coumarin nucleus has been synthesized and screened for their lipase and a-glucosidase inhibition properties. Among the synthesized compounds, ... -
Synthesis and study of antitumor activity of some new 2-(4-methoxybenzyl)-1h-benzimidazole derivatives bearing triazole, oxadiazole and ethanol moiety
Karaali, Nesrin; Menteşe, Emre (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 study of some new quinazolinone derivatives bearing triazole, thiadiazole, and piperazine moiety
Karaali, Nesrin; Menteşe, Meltem; Baltaş, Nimet; Menteşe, Emre (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 new perimidine derivatives from the reaction of 1,8-diaminonapthalene with iminoester hydrochlorides
Kahveci, Bahittin; Karaali, Nesrin; Menteşe, Emre; Yılmaz, Fatih (Science Reviews 2000 Ltd, 2013)An alternative procedure is described for the synthesis of 2-substituted perimidines involving the reaction of 1,8-diaminonapthalene with iminoester hydrochlorides of substituted phenylacetic acids under microwave irradiation. ... -
Synthesis of novel tetra-substituted benzimidazole compounds containing certain heterostructures with antioxidant and anti-urease activities
Karaali, Nesrin; Aydın, Serdar; Baltaş, Nimet; Menteşe, Emre (Wiley, 2020)A new series of 5,6-dimethyl-2-phenyl-1H-benzimidazole derivatives was synthesized. the antioxidant activities of the synthesized compounds were determined according to the cupric reducing antioxidant capacity (CUPRAC), ... -
Synthesis of Some New Benzimidazole Derivatives Containing Chlorine and Investigation of Their Antioxidant and Anti-urease Activities
Karaali, Nesrin (2018)In this work, the synthesis of a 2-substituted benzimidazole compound containing chlorine (1) was carried out and then converted to the ester (2) and hydrazide (3) derivatives respectively. In the next steps, the hydrazide ... -
Synthesis, inhibitory properties on the metabolic enzymes and antioxidant activity of a new series benzimidazole derivatives
Karaali, Nesrin; Atik, Rıdvan; Balta, Nimet; Şaşmaz, Selami; Kahveci, Bahittin (Editura Acad Romane, 2019)In this study, a series of new 1, 2-disubstituted benzimidazole was synthesized starting from 5, 6-dichloro-2-(4-methoxybenzyl)-1H-benzimidazole compound which was converted to the ester and hydrazide derivative, respectively. ...