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dc.contributor.authorBanerjee, Tanmay-
dc.date.accessioned2021-11-11T11:21:53Z-
dc.date.available2021-11-11T11:21:53Z-
dc.date.issued2016-
dc.identifier.urihttps://pubs.rsc.org/en/content/articlelanding/2016/cc/c5cc08081a-
dc.identifier.urihttp://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/3483-
dc.description.abstractWe demonstrate the photocatalytic protonation of a silylenol ether using 7-bromo-2-naphthol as an ESPT catalyst with phenol as the sacrificial proton source. Greater than 95% conversion is achieved with 1 mol% catalyst. The reaction cycle is dependent on the significantly increased acidity of the catalyst in the excited state as well as the long lifetime for the triplet excited state of 7-bromo-2-naphthol. The reaction does not occur in the absence of light (367 nm) and can readily be controlled by light intensity modulation. We also demonstrate that a 72% reaction yield can be obtained with unsubstituted naphthol as the catalyst by coupling triplet energy transfer, via a visible light absorbing (445 nm) sensitizer, into the catalytic cycle. These results open the door to an entirely new class of sensitized photocatalytic reactions that harness the excited state acidity of ESPT dyes.en_US
dc.language.isoenen_US
dc.publisherRSCen_US
dc.subjectChemistryen_US
dc.subjectSilylenolen_US
dc.subjectCatalysisen_US
dc.titleProtonation of silylenol ether via excited state proton transfer catalysisen_US
dc.typeArticleen_US
Appears in Collections:Department of Chemistry

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