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Heterogeneous silica-supported copper catalyst for the ultrasound-mediated rapid reaction between dimedone, formaldehyde, and amines at room temperature
S RAY, A BHAUMIK, B BANERJEE, P MANNA,
Published in Springer-Verlag Wien
2015
Volume: 146
   
Issue: 11
Pages: 1881 - 1890
Abstract
A copper-incorporated mesoporous silica catalyst was synthesized and characterized by N2 adsorption analysis, HRTEM, EDX-elemental analysis, and XRD studies. The silica material possesses mesopores of dimension 3-5 nm. Incorporation of copper within the silica network produces enhanced surface acidity in comparison to pure silica, which is reflected in the sonication-assisted rapid reaction between dimedone, formaldehyde, and amines. Sonication-mediated room temperature synthesis was proved to be more convenient and rapid than ordinary stirring. A standard leaching experiment proved that the reaction was heterogeneous with this recyclable catalyst. Graphical abstract: [Figure not available: see fulltext.] © 2015 Springer-Verlag Wien.
About the journal
JournalData powered by TypesetMonatshefte für Chemie - Chemical Monthly
PublisherData powered by TypesetSpringer-Verlag Wien
ISSN0026-9247
Open AccessNo