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Synthesis of nanoparticles silica supported sulfuric acid (NPs SiO2–H2SO4): a solid phase acidic catalyst for one-pot synthesis of 4H-chromene derivatives

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Nanostructured SiO2–H2SO4 has been prepared and shown to efficiently catalyse the one-pot, three-component reaction of an aromatic aldehyde, malononitrile and a cyclic 1,3-diketone at reflux, to afford the corresponding 4H-chromene derivative in high yield. 4H-Chromene derivatives are important pharmacological agents exhibiting spasmolytic, diuretic, anticoagulant, anticancer, and antianaphylactic activities.
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Document Type: Research Article

Publication date: 01 November 2011

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  • The Journal of Chemical Research is a monthly journal which has a broad international authorship and publishes research papers and reviews in all branches of experimental chemistry.

    Established in 1977 as a joint venture by the British, French and German chemical societies it maintains the high standards set by the founding societies. Each paper is independently peer reviewed and only carefully evaluated contributions are accepted.

    Recent papers have described new synthetic methods, new heterocyclic compounds, new natural products, and the inorganic chemistry of metal complexes.

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