期刊
JOURNAL OF CHEMICAL RESEARCH
卷 -, 期 1, 页码 52-55出版社
SAGE PUBLICATIONS LTD
DOI: 10.3184/174751912X13264749420957
关键词
sulfamic acid; amidoalkyl naphthols; heterogeneous catalyst; magnetic decantation; solvent-free conditions; multicomponent reactions; nanoparticles
资金
- University of Sistan and Baluchestan Research Council
Sulfamic acid-functionalised magnetic nanoparticles have been synthesised and used as efficient heterogeneous solid acid catalysts for the condensation of aromatic aldehydes with 2-naphthol and amides (or carbamates) via three-component reactions under solvent-free conditions at 80 degrees C. Quantitative conversion of the reactants is achieved under mild conditions. Recovery of the catalyst is easily achieved by 'magnetic decantation'. The supported catalyst is reused four times without any significant degradation in catalytic activity.
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