Journal
GREEN CHEMISTRY
Volume 12, Issue 12, Pages 2261-2267Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0gc00387e
Keywords
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Funding
- Hassan II Academy of Science and Technology
- Centre National de la Recherche Scientifique et Technique (CNRST)
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A versatile, alternative and environmentally benign three-component strategy to the synthesis of a series of 2-amino-chromenes has been successfully performed in water, using nanostructured diphosphate Na2CaP2O7 (DIPH) as a basic catalyst. The products are obtained in high recoveries from the one-pot multi-component reaction procedure involving carbonyl compounds, malononitrile and 1-naphtol, resulting in a green synthetic protocol with high atom economy. The catalyst is waste-free, easily prepared, and efficiently re-used. The prepared 2-amino-chromenes, in presence of acetic anhydride, have been easily converted to benzo(a)anthracene derivatives.
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