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Article: Direct observation of triplet state mediated decarboxylation of the neutral and anion forms of ketoprofen in water-rich, acidic, and PBS solutions

TitleDirect observation of triplet state mediated decarboxylation of the neutral and anion forms of ketoprofen in water-rich, acidic, and PBS solutions
Authors
Issue Date2012
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journal/jpcbfk
Citation
Journal Of Physical Chemistry B, 2012, v. 116 n. 20, p. 5882-5887 How to Cite?
AbstractThe decarboxylation reaction of KP in different acetonitrile-water mixtures producing a carbanion or biradical intermediate is investigated by using femtosecond transient absorption and nanosecond time-resolved resonance Raman spectroscopies to unveil the mechanism of the photochemistry of KP. The irradiation of either the neutral or anion forms of KP leads to the excited singlet state KP species transforming into a corresponding triplet state KP species via a highly efficient intersystem crossing, and then, a triplet state mediated decarboxylation reaction occurs to generate a carbanion intermediate in the phosphate buffer solutions or a biradical species in the water-rich or acidic solutions examined here. © 2012 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/159299
ISSN
2015 Impact Factor: 3.187
2015 SCImago Journal Rankings: 1.414
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLi, MDen_HK
dc.contributor.authorMa, Jen_HK
dc.contributor.authorSu, Ten_HK
dc.contributor.authorLiu, Men_HK
dc.contributor.authorYu, Len_HK
dc.contributor.authorPhillips, DLen_HK
dc.date.accessioned2012-08-16T05:48:29Z-
dc.date.available2012-08-16T05:48:29Z-
dc.date.issued2012en_HK
dc.identifier.citationJournal Of Physical Chemistry B, 2012, v. 116 n. 20, p. 5882-5887en_HK
dc.identifier.issn1520-6106en_HK
dc.identifier.urihttp://hdl.handle.net/10722/159299-
dc.description.abstractThe decarboxylation reaction of KP in different acetonitrile-water mixtures producing a carbanion or biradical intermediate is investigated by using femtosecond transient absorption and nanosecond time-resolved resonance Raman spectroscopies to unveil the mechanism of the photochemistry of KP. The irradiation of either the neutral or anion forms of KP leads to the excited singlet state KP species transforming into a corresponding triplet state KP species via a highly efficient intersystem crossing, and then, a triplet state mediated decarboxylation reaction occurs to generate a carbanion intermediate in the phosphate buffer solutions or a biradical species in the water-rich or acidic solutions examined here. © 2012 American Chemical Society.en_HK
dc.languageengen_US
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journal/jpcbfken_HK
dc.relation.ispartofJournal of Physical Chemistry Ben_HK
dc.titleDirect observation of triplet state mediated decarboxylation of the neutral and anion forms of ketoprofen in water-rich, acidic, and PBS solutionsen_HK
dc.typeArticleen_HK
dc.identifier.emailPhillips, DL:phillips@hku.hken_HK
dc.identifier.authorityPhillips, DL=rp00770en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/jp301555een_HK
dc.identifier.pmid22545726-
dc.identifier.scopuseid_2-s2.0-84862275338en_HK
dc.identifier.hkuros203416en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84862275338&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume116en_HK
dc.identifier.issue20en_HK
dc.identifier.spage5882en_HK
dc.identifier.epage5887en_HK
dc.identifier.isiWOS:000304338300009-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLi, MD=35173063700en_HK
dc.identifier.scopusauthoridMa, J=39161647600en_HK
dc.identifier.scopusauthoridSu, T=55232687800en_HK
dc.identifier.scopusauthoridLiu, M=54684394100en_HK
dc.identifier.scopusauthoridYu, L=55252932000en_HK
dc.identifier.scopusauthoridPhillips, DL=7404519365en_HK

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