ASSIGNMENT OF ELECTRONIC-SPECTRA OF COUMARIN AND ITS 4-HYDROXY AND 7-HYDROXY DERIVATIVES

被引:4
作者
MINEGISHI, T [1 ]
HOSHI, T [1 ]
TANIZAKI, Y [1 ]
机构
[1] AOYAMA GAKUIN UNIV,COLL SCI & ENGN,DEPT CHEM,SETAGAYA KU,TOKYO 157,JAPAN
关键词
D O I
10.1246/nikkashi.1978.649
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
From the measurements of polarized absorption spectra using stretched PVA films and from the polarization of the electronic transitions of coumarin and its 4- and 7-hydroxy derivatives were determined. It has been clarified that in each compound the first and second bands are polarized along the longer molecular-axis and the third one is almost perpendicular to it. These results were well interpreted in terms of the configuration analysis. © 1978, The Chemical Society of Japan. All rights reserved.
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页码:649 / 653
页数:5
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