Polymethine dyes derived from boron complexes of, acetylhydroxycoumarins

被引：38

作者：

Traven, VF ^{[1
]}

Chibisova, TA ^{[1
]}

Manaev, AV ^{[1
]}

机构：

[1] Mendeleev Univ Chem Technol Russia, Dept Organ Chem, Moscow 125047 A 47, Russia

来源：

DYES AND PIGMENTS | 2003年 / 58卷 / 01期

关键词：

3-acetyl-4-hydroxycoumarin; 8-acyl-7-hydroxycoumarins; difluoro[1,3-propanedionato-O,O ']boron derivatives; polymethine; dyes; NMR;

D O I：

10.1016/S0143-7208(03)00022-6

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Novel dyes were obtained by condensation of boron derivatives of 3-acetyl-4-hydroxy- or 7-hydroxy-8-acylcoumarin with triethyl orthoformate of Fischer's aldehyde. The reaction of the former boron complexes with DMF followed by condensation of the resultant hemicyanine with dimethylquinolinium iodides furnished non-symmetric polymethine dyes with a quinoline its the terminal heterocyclic unit. (C) 2003 Elsevier Science Ltd. All rights reserved.

引用

页码：41 / 46

页数：6

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