FIELD: catalyst preparation methods.
SUBSTANCE: immobilized ionic liquid is prepared by anion-assisted immobilization of ionic liquid, for which purpose a carrier is treated with anion source, for instance with inorganic halide to produce ionic liquid or applying it onto carrier. Alternatively, ionic liquid may be immobilized because of cation covalently linked to carrier, e.g. through silyl groups, or incorporated into carrier via synthesis of carrier in presence of acceptable base. Immobilized ionic liquid are meant for use as catalysts, e.g. in Friedel-Krafts reaction.
EFFECT: optimized preparation procedures.
18 cl, 10 ex
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