Journal
DALTON TRANSACTIONS
Volume 41, Issue 20, Pages 6173-6181Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2dt30106g
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Funding
- CSIR, New Delhi
- DST, New Delhi
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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.
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