Abstract
A mild and efficient method was developed for preparation of amidoalkyl naphthols via one-pot three-component condensation of aldehydes with amides and 2-naphthol in the presence of polyethylene glycol (PEG)-based dicationic acidic ionic liquid as a powerful catalyst under solvent-free conditions. Excellent yields, short reaction time, simple work-up, and reusable catalyst are advantages of this procedure.
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Acknowledgments
We are grateful for financial support by the National Natural Science Foundation of China (no. 21002050), Doctoral Fund of Ministry of Education of China for New Teacher (no. 200802881029), and Science and Technology Development Fund of Nanjing University of Science and Technology (no. XKF09066).
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Luo, J., Zhang, Q. A one-pot multicomponent reaction for synthesis of 1-amidoalkyl-2-naphthols catalyzed by PEG-based dicationic acidic ionic liquids under solvent-free conditions. Monatsh Chem 142, 923–930 (2011). https://doi.org/10.1007/s00706-011-0522-6
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DOI: https://doi.org/10.1007/s00706-011-0522-6