Green formation of novel pyridinyltriazole-salicylidene schiff bases

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dc.authorid0000-0001-6373-5221en_US
dc.contributor.authorGümüş, Mustafa Kemal
dc.date.accessioned2020-10-28T08:37:42Z
dc.date.available2020-10-28T08:37:42Z
dc.date.issued2019
dc.departmentAÇÜ, Artvin Meslek Yüksekokuluen_US
dc.description.abstractAim and Objective: In this work, water was used as solvent for the eco-friendly synthesis of imines under microwave irradiation. In the first step of the study, 5-pyridinyl-3-amino-1,2,4-triazole hydrochlorides were synthesized in the reaction of amino guanidine hydrochloride with different pyridine carboxylic acids under acid catalysis. A green method for 5-pyridinyl-3-amino-1,2,4-triazoles was developed with the assistance of microwave synthesis. In the second step, the eco-friendly synthesis of imines was achieved by reacting 5- pyridinyl-2H-1,2,4-triazol-3-amine hydrochlorides with salicylic aldehyde derivatives to produce 2-(5- pyridinyl-2H-1,2,4-triazol-3-ylimino)methyl)phenol imines. Materials and Methods: Microwave experiments were done using a monomode Anton Paar Monowave 300 microwave reactor (2.45 GHz). Reaction temperatures were monitored by an IR sensor. Microwave experiments were carried out in sealed microwave process vials G10 with maximum reaction volume of 10 mL. Results: When alternative methods were used, it was impossible to obtain good yields from ethanol. Nevertheless, the use of water was successful for this reaction. After 1-h microwave irritation, a yellow solid was obtained in 82% yield. Conclusion: In this work an eco-friendly protocol for the synthesis of Schiff bases from 5-(pyridin-2-, 3- or 4- yl)-3-amino-1,2,4-triazoles and substituted salicylic aldehydes in water under microwave irradiation was developed. Under the found conditions the high yields for the products were achieved at short reaction time and with an easy isolation procedure.
dc.identifier.citationGümüş, M. K. (2019). Green Formation of Novel Pyridinyltriazole-Salicylidene Schiff Bases. Current Organic Synthesis, 16(2), 309-313. Doi: 10.2174/1570179416666181207145951en_US
dc.identifier.doi10.2174/1570179416666181207145951
dc.identifier.endpage313en_US
dc.identifier.issue2en_US
dc.identifier.scopusqualityQ3
dc.identifier.startpage309en_US
dc.identifier.urihttps://hdl.handle.net/11494/2393
dc.identifier.volume16en_US
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorGümüş, Mustafa Kemal
dc.language.isoenen_US
dc.publisherBentham Science Publ Ltden_US
dc.relation.ispartofCurrent Organic Synthesis
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subject1,2,4-triazoleen_US
dc.subjectGreen synthesisen_US
dc.subjectMicrowave irradiationen_US
dc.subjectPyridinylen_US
dc.subjectSalicylic aldehydeen_US
dc.subjectSchiff baseen_US
dc.titleGreen formation of novel pyridinyltriazole-salicylidene schiff basesen_US
dc.typeArticle

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