A novel method for the preparation of monomethine cyanine dyes

被引：16

作者：

Deligeorgiev, TG

Zaneva, DA

Katerinopoulos, HE

Koleva, VN

机构：

[1] Univ Sofia, Fac Chem, BU-1126 Sofia, Bulgaria

[2] Univ Crete, Dept Chem, GR-71409 Iraklion, Crete, Greece

来源：

DYES AND PIGMENTS | 1999年 / 41卷 / 1-2期

关键词：

novel synthetic method; monomethine cyanine dyes; short reaction time;

D O I：

10.1016/S0143-7208(98)00061-8

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A novel method for the preparation of symmetric and asymmetric monomethine cyanine dyes was developed. Quaternary salts of a heterocyclic 2- or 4-methyl compound and N-heterocyclic 2- or 4-sulfobetainic compounds were reacted by simple melting or by boiling in different solvents in the absence of a basic compound. The preparation is fast and the yields are good to high, exceeding in some cases those by other methods. The novel method is environmentally more friendly. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：49 / 54

页数：6

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