Journal
CHEMPLUSCHEM
Volume 80, Issue 10, Pages 1573-1579Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cplu.201500167
Keywords
copper; heterogeneous catalysis; mesoporous materials; multicomponent reactions; propargylamine
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Funding
- Institute for Advanced Studies in Basic Sciences (IASBS) Research Council
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Copper supported on periodic mesoporous organosilica (PMO) with alkylimidazolium frameworks is a highly efficient and recoverable catalyst for the preparation of propargylamines through the three-component coupling reaction of aldehydes, alkynes, and amines. The new catalyst is characterized using N-2 adsorption/desorption analysis, transmission electron microscopy (TEM), energy dispersive spectroscopy (EDS), thermogravimetric analysis (TGA), diffuse reflectance infrared Fourier transform spectroscopy (DRIFT-IR), and elemental analysis. The catalyst is easily recovered by a simple filtration process and subsequently reused in the seven reaction cycles without any loss of catalytic activity.
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