Synthesis and characterization of novel squarylium dyes

被引：4
|
作者：
He, B
Cai, XL
Lu, MH
Huang, DY [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Appl Chem, Shanghai 200030, Peoples R China
[2] E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R China
来源：
DYES AND PIGMENTS | 1999年 / 41卷 / 1-2期
关键词：
synthesis; squarylium dyes;
D O I：
10.1016/S0143-7208(98)00047-3
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Squarylium dyes based on 2,6-di-tert-butylpyrylium and 2,4-di-tert-butylpyrylium nuclei have been synthesized and characterized by elemental analysis, H-1 NMR, IR- and electronic impact mass spectroscopy. The dyes exhibit high melting points, good solubility in organic solvents and absorption maxima in the range of 711-763 nm with high extinction coefficients. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：31 / 34
页数：4
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