Novel fluorescent quater- and quinquifurans: Syntheses and photophysical properties

被引：10
|
作者：
Kauffman, JM [1 ]
Moyna, G [1 ]
机构：
[1] Univ Sci Philadelphia, Philadelphia, PA 19104 USA
来源：
JOURNAL OF HETEROCYCLIC CHEMISTRY | 2002年 / 39卷 / 05期
关键词：
D O I：
10.1002/jhet.5570390519
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
In the quest for fast fluors for use in waveshifting polystyrene fibers, symmetrical oligofurans were investigated. Furan moieties were coupled by means of the Ullmann Reaction or by palladium-catalyzed unsymmetrical coupling; the latter gave higher yields. While the benzoxazole-terminated quater- and quinquifurans we prepared were both stable and fast, exhibiting a green fluorescence and decay times of about 2.4 nsec, they were inferior to other types of fluors in solubility and emission intensity when incorporated into polystyrene.
引用
收藏
页码：981 / 988
页数：8
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