SOLVENT EFFECTS AND HYDROGEN-BONDING INTERACTIONS ON ABSORPTION AND FLUORESCENCE-SPECTRA OF 1-METHYL-2-PYRIDONE

被引：20

作者：

FUJIMOTO, A ^{[1
]}

INUZUKA, K ^{[1
]}

机构：

[1] TOKYO DENKI UNIV, FAC TECHNOL, DEPT APPL SCI, CHIYODA KU, TOKYO 101, JAPAN

来源：

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN | 1979年 / 52卷 / 06期

关键词：

Chlorine compounds - Fluorescence - Ionic liquids - Organic solvents - Equilibrium constants - Hydrogen bonds - Light absorption - Excited states - Spectroscopic analysis;

D O I：

10.1246/bcsj.52.1816

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The electrostatic solvent effects and hydrogen-bonding interactions on IR and UV absorption and fluorescence spectra of l-methyl-2-pyridone has been investigated. It was found that the UV absorption and fluorescence bands of l-methyl-2-pyridone shifted towards the shorter-wavelength region with increasing solvent polarity and that these bands exhibited a blue shift on hydrogen bond formation with alcohols and chloroform. The excited-state dipole moment of l-methyl-2-pyridone, and the equilibrium constants in the ground and excited states and enthalpy change in the ground state for hydrogen-bond formation between l-methyl-2-pyridone and ethanol have been determined from the spectroscopic studies.

引用

页码：1816 / 1818

页数：3

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