Reversible proton transfer in photoexcited xanthone
β Scribed by Brian S. Vogt; Stephen G. Schulman
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 368 KB
- Volume
- 97
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
Gn1honc ~3s used IO Gnu rhar 3 quenc31ing technique may be uszd ro differentiate beIow two normally indistinguish-Air \cts of hmetis c~rcun~s~.mc~s: n.m~eIy. uhen dkociation of the conjugste acid is observable and when it is not_ The apphc.duhr~ of rhc Ersrcr c\ ~1: ICI x.tn:horx 1~ discussed.
π SIMILAR VOLUMES
2-Hydroxybiphenyl undergoes pseudo-first order dissociation and its conjugate base undergoes second order protonation in the lowest excited singlet state. The proton transfer kinetics in water containing methanol up to a mole fraction of about 0.5, have been evaluated as a function of methanol conce
## Abstract The monoanion of 7βhydroxyβ1βnaphthalenesulphonic acid (HNS) undergoes pseudoβfirstβorder dissociation and its conjugate base undergoes secondβorder protonation in the lowest excited singlet state. The proton transfer kinetics in water containing dimethylsulphoxide (DMSO), up to a mole
SlDD&Y: The'striking,.difference' in'fradtions of fast versus slow components of ,I 8 :' electron,,transfer of the porphyrin mono: and bis-@none cycl~ophanes~are attributed to':Pn..orbital symmetry effect' between the,porphyrin and the $I$&' Iq+r~d~uaWon l !, ,The efficiency of tQe prJmary reaction