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Quaternary salts from 2‐(methylpyridyl or quinolyl)benz‐X‐azoles and related polymethine dyes
Author(s) -
Barni Ermanno,
Savarino Piero
Publication year - 1978
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570150104
Subject(s) - chemistry , pyridinium , medicinal chemistry
Abstract The quaternisation of 2‐(methylpyridyl or quinolyl)benz‐X‐azoles mainly leads to the corresponding pyridinium and quinolinium salts, from which polymethine dyes are prepared. The electronic spectra and the methyl protons chemical shifts are briefly discussed.