INVESTIGATION OF PROTON-TRANSFERRED ENOL TAUTOMERS IN THE LOWEST EXCITED TRIPLET-STATES OF METHYL SALICYLATE AND RELATED MOLECULES

被引：34

作者：

HOSHIMOTO, E

YAMAUCHI, S

HIROTA, N ^{[1
]}

NAGAOKA, S

机构：

[1] KYOTO UNIV,FAC SCI,DEPT CHEM,KYOTO 606,JAPAN

[2] EHIME UNIV,FAC SCI,DEPT CHEM,MATSUYAMA,EHIME 790,JAPAN

来源：

JOURNAL OF PHYSICAL CHEMISTRY | 1991年 / 95卷 / 25期

关键词：

D O I：

10.1021/j100178a003

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Properties of the lowest excited triplet states of methyl salicylate and o-hydroxyacetophenone have been investigated by means of time-resolved electron paramagnetic resonance and molecular orbital calculations. From detailed analyses of the experimental results, zero-field splittings, spin distributions, and sublevel decay rate constants in the lowest excited triplet states of the proton-transferred enol tautomers of methyl salicylate and o-hydroxyacetophenone have been obtained. The calculated results of the spin distribution and the zero-field splitting of the enol tautomer are in good agreement with the experimental values.

引用

页码：10229 / 10235

页数：7

共 47 条

[1] PICOSECOND KINETIC AND VIBRATIONALLY RESOLVED SPECTROSCOPIC STUDIES OF INTRAMOLECULAR EXCITED-STATE HYDROGEN-ATOM TRANSFER [J].