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Preparation of 1,2- and 1,4-dihydro derivatives of 6,7-dimethyl-2,3-diphenylquinoxaline via its dianion formed by reductive metallation

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dc.contributor.authorKaban, Seniz
dc.contributor.authorAydogan, Feray
dc.date.accessioned2026-06-27T13:06:26Z
dc.date.issued2008
dc.description.abstractTreatment of 6,7-dimethyl-2,3-diphenylquinoxaline with sodium in tetrahydrofuran formed a monomeric dianion. The chemical behavior of this dianion was investigated by a variety of reagents. As the result, alkylation reactions gave 1,2-dihydro derivatives, while acylation reactions occured at 1,4-positions. Annulation of the pyrazine ring system was accomplished by treating the dianion with oligomethylene dichlorides, Cl(CH(2))(n)Cl, n = 2-4.en
dc.description.urihttps://doi.org/10.1007/s00706-007-0812-1
dc.identifier.doi10.1007/s00706-007-0812-1
dc.identifier.endpage672
dc.identifier.issn0026-9247
dc.identifier.issue6
dc.identifier.startpage669
dc.identifier.urihttps://hdl.handle.net/20.500.14981/49812
dc.identifier.volume139
dc.identifier.wos000256324700016
dc.language.isoeng
dc.publisherSPRINGER WIEN
dc.relation.ispartofMONATSHEFTE FUR CHEMIE
dc.subjectheterocycles
dc.subjectreductions
dc.subjectnucleophilic substitutions
dc.subjectannulation
dc.subjectnitrogen anions
dc.subjectUNSATURATED HETEROCYCLIC-COMPOUNDS
dc.subjectALKALI-METALS
dc.subjectRING-CLOSURE
dc.subjectRULES
dc.subjectChemistry
dc.titlePreparation of 1,2- and 1,4-dihydro derivatives of 6,7-dimethyl-2,3-diphenylquinoxaline via its dianion formed by reductive metallation
dc.typeArticle
dspace.entity.typePublication
local.import.sourceWOS

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