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Abstract Ethylammonium N-sulfonic acid chloride, a sulfonic acid functionalized ionic liquid, was prepared, characterized and used as an efficient catalyst for synthesis of various xanthene derivatives by condensation between aldehydes… Click to show full abstract
Abstract Ethylammonium N-sulfonic acid chloride, a sulfonic acid functionalized ionic liquid, was prepared, characterized and used as an efficient catalyst for synthesis of various xanthene derivatives by condensation between aldehydes and dimedone or 2-naphthol under solvent-free conditions. This procedure has several advantages such as, easy preparation of the catalyst, easy work-up, high yields, short reaction times, and avoidance of toxic organic solvents.
Keywords:
ionic liquid;
catalyst synthesis;
efficient catalyst;
xanthene derivatives;
catalyst;
solvent free
Journal Title: Polycyclic Aromatic Compounds
Year Published: 2019
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Journal Title: Polycyclic Aromatic Compounds
Year Published: 2019
Link to full text (if available)
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recommendations!