Journal
RUSSIAN JOURNAL OF GENERAL CHEMISTRY
Volume 87, Issue 2, Pages 311-315Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1070363217020268
Keywords
sulfonic acid functionalized ionic liquids; carbamatoalkyl naphthols; solvent-free synthesis
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Funding
- Islamic Azad University, Mashhad Branch
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Catalytic activity of two newly prepared functionalized sulfonic acids ionic liquids, [MPyrrSO(3)H]Cl (IL1) and [MMorSO(3)H]Cl (IL2), is studied in one-pot three-component synthesis of carbamatoalkyl naphthols by the reaction of beta-naphthol with aromatic aldehydes and methyl or benzyl carbamate. The efficiently catalyzed reaction proceeded under solvent-free conditions. The synthesis was characterized by easy work-up, absence of volatile and hazardous organic solvents, and recyclability of the catalysts.
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