Synthesis of pyridine/pyridinium-based alkynyl monomers, oligomers and polymers: enhancing conjugation by pyridine N-quaternization
- 1 January 1995
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of Materials Chemistry
- Vol. 5 (11) , 2041-2043
- https://doi.org/10.1039/jm9950502041
Abstract
Quaternization of the pyridine nitrogen in 2,5- and 2,6-diethynylpyridine-based organic and organometallic monomers, oligomers and polymers via solution nucleophilic substitution reactions yields stable pyridinium analogues, and enhances π-electron delocalization along the backbone as evidenced by strong red shifts in the UV–VIS absorption spectra.Keywords
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