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

页码：83 / 93

页数：11

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