Epoxidation of 2,3-Dimethylbenzo[b]furans by Dimethyldioxirane

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dc.contributor.authorAdam, W.en
dc.contributor.authorBialas, J.en
dc.contributor.authorHadjiarapoglou, L.en
dc.contributor.authorSauter, M.en
dc.date.accessioned2015-11-24T16:57:50Z
dc.date.available2015-11-24T16:57:50Z
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/10624
dc.rightsDefault Licence-
dc.subjectEpoxidation / Dioxirane, dimethyl / Benzofurans, 2,3-dimethy1- / Benzofuran epoxides / Quinone methides / Methanol additionen
dc.titleEpoxidation of 2,3-Dimethylbenzo[b]furans by Dimethyldioxiraneen
heal.abstractThe synthesis of epoxides 2 by the reaction of the chloro- and methyl-substituted 2,3-dimethy1benzofurans l with dimethyl-dioxirane at low temperature is reported. These labile epoxides were spectroscopically characterized (1H and 13C NMR) at subambient temperatures. Epoxidation of benzofuran l c affords a 31:69 mixture of epoxide 2c and quinone methide 3c, the latter presumably being produced by valence isomerization of the epoxide. On Warming up above 10Β°C, the epoxides 2 suffer decomposition. Treatment of epoxide 2i with methanol yields the tautomeric mixture of adducts 4i and 4i'.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.secondaryhttps://docs.google.com/file/d/0BxfLht5wJUEIMDgxYjFmMDItMWQxMy00MTA5LWEzNTktYjU4OTJiZjkxYjZi/edit?hl=en-
heal.journalNameChem. Ber.en
heal.journalTypepeer reviewed-
heal.languageen-
heal.publicationDate1992-
heal.publisherVCH Verlagsgesellschaften
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείαςel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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