QUATERNARY-SALTS FROM 2-(METHYLPYRIDYL OR QUINOLYL)BENZIMIDAZOLES AND RELATED POLYMETHINE DYES

被引:30
作者
BARNI, E
SAVARINO, P
机构
[1] Istituto di Chimica Organica Industriale, Università di Torino, Torino, 10125
关键词
D O I
10.1002/jhet.5570160814
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The quaternisation of 2‐(methylpyridyl or quinolyl)benzimidazoles with methyl iodide leads to a variety of salts depending on the relative position of the nuclei and on the experimental conditions: N‐methylpyridinium, N‐methylquinolinium, methyl and 1,3‐dimethylbenzimidazolium iodides, and hydroiodides were isolated. Cyanine dyes were prepared from N‐methylpyridinium and N‐methylquinolinium methiodides. The main spectrospcopic features of these compounds are briefly discussed. Copyright © 1979 Journal of Heterocyclic Chemistry
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页码:1583 / 1587
页数:5
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