Photochemistry of photochromic 2-indolylfulgides with substituents at the 1′-position of the indolylmethylene moiety

被引：35
|
作者：
Liang, YC [1 ]
Dvornikov, AS [1 ]
Rentzepis, PM [1 ]
机构：
[1] Univ Calif Irvine, Dept Chem, Irvine, CA 92697 USA
来源：
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2001年 / 146卷 / 1-2期
关键词：
photochromism; fulgides; fluorescence; substituent effect; quantum yield;
D O I：
10.1016/S1010-6030(01)00598-6
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：
Substituted 2-indolyl fulgides with methyl and isopropyl groups at the 1'-position of the indolylmethylene moiety were synthesized. Steric effects on the spectroscopic and photochromic properties were measured and discussed. The methyl and isopropyl groups at the 1'-position decrease the quantum efficiency of the E-Z isomerization, while increase the coloration quantum yield. The thermal stability and fatigue resistance of these fulgides were determined. (C) 2001 Published by Elsevier Science B.V.
引用
收藏
页码：83 / 93
页数：11
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