1986
DOI: 10.1039/p29860001217
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Specific photoreactions of flavanones typical of n,π* and π,π* characters in lowest triplet states

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1986
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Cited by 9 publications
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“…On the other hand, linear relationships between both the lowest excited singlet and triplet energy levels, and the triplet decay constants of the parasubstituted phenylanilines and pirydineanilines were obtained, yet based only on 3 to 7 substituted derivatives . Quenching of emission spectra of substituted flavanones and the Hammett correlations enabled authors to propose mechanisms of competing photochemical processes in and to assign the relative n π* and ππ* contributions in the T 1 states …”
Section: Introductionmentioning
confidence: 96%
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“…On the other hand, linear relationships between both the lowest excited singlet and triplet energy levels, and the triplet decay constants of the parasubstituted phenylanilines and pirydineanilines were obtained, yet based only on 3 to 7 substituted derivatives . Quenching of emission spectra of substituted flavanones and the Hammett correlations enabled authors to propose mechanisms of competing photochemical processes in and to assign the relative n π* and ππ* contributions in the T 1 states …”
Section: Introductionmentioning
confidence: 96%
“…31 Quenching of emission spectra of substituted flavanones and the Hammett correlations enabled authors to propose mechanisms of competing photochemical processes in and to assign the relative nπ* and ππ* contributions in the T 1 states. 32 The nπ* triplet-state energies of ca. 60 substituted aroyls (acetophenones, benzaldehydes, benzophenones, and anthraquinones) were found to be increased by the electron-donating substituents while decreased by the electron-withdrawing substituents, and, except for anthraquinones, they were satisfactorily correlated with the Hammett constants.…”
Section: Introductionmentioning
confidence: 99%