Structurally modified hydroxyl functionalized pyridinium ionic liquids (ILs), liquid at room temperature, were synthesized and characterized. Alkylated -(2-hydroxyethyl)-pyridinium ILs were prepared from alkylpyridines via corresponding bromide salts by -alkylation (65-93%) and final anion exchange (75-96%). Pyridinium-alkylation strongly influenced the IL physicochemical and electrochemical properties.
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