期刊
CHEMPLUSCHEM
卷 80, 期 10, 页码 1573-1579出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cplu.201500167
关键词
copper; heterogeneous catalysis; mesoporous materials; multicomponent reactions; propargylamine
资金
- Institute for Advanced Studies in Basic Sciences (IASBS) Research Council
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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