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Issue 20, 2012
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Fe3O4@mesoporous SBA-15: a robust and magnetically recoverable catalyst for one-pot synthesis of 3,4-dihydropyrimidin-2(1H)-ones via the Biginelli reaction

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Abstract

A magnetic nanoparticle conjugated mesoporous nanocatalyst (Fe3O4@mesoporous SBA-15) with a high surface area has been synthesized by chemical conjugation of magnetite (Fe3O4) nanoparticles with functionalized mesoporous SBA-15. Functionalized mesoporous SBA-15 containing surface carboxyl and amino groups was synthesized via the thiol–ene click reaction of cysteine hydrochloride and vinyl functionalized SBA-15. The catalytic activity of the robust, safe and magnetically recoverable Fe3O4@mesoporous SBA-15 nanocatalyst was evaluated in the Biginelli reaction under mild conditions for the synthesis of a diverse range of 3,4-dihydropyrimidin-2(1H)-ones. The separation and reuse of the Fe3O4@mesoporous SBA-15 nanocatalyst were simple, effective and economical.

Graphical abstract: Fe3O4@mesoporous SBA-15: a robust and magnetically recoverable catalyst for one-pot synthesis of 3,4-dihydropyrimidin-2(1H)-ones via the Biginelli reaction

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Publication details

The article was received on 16 Jan 2012, accepted on 14 Mar 2012 and first published on 14 Mar 2012


Article type: Paper
DOI: 10.1039/C2DT30106G
Citation: Dalton Trans., 2012,41, 6173-6181
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    Fe3O4@mesoporous SBA-15: a robust and magnetically recoverable catalyst for one-pot synthesis of 3,4-dihydropyrimidin-2(1H)-ones via the Biginelli reaction

    J. Mondal, T. Sen and A. Bhaumik, Dalton Trans., 2012, 41, 6173
    DOI: 10.1039/C2DT30106G

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