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Ag-grafted covalent imine network material for one-pot three-component coupling and hydration of nitriles to amides in aqueous medium

机译:Ag接枝共价亚胺网络材料,用于一锅三组分偶联和水介质中腈水合成酰胺

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摘要

A nitrogen rich porous covalent imine network material (CIN-1) has been successfully employed for grafting silver nanoparticles (Ag NPs). The Ag NPs grafted CIN-1, Ag-CIN-1 has been characterized by elemental analysis, powder X-ray diffraction (XRD), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FT-IR), UV-vis diffuse reflectance spectroscopy (DRS), thermogravimetric analysis (TGA) and EPR spectroscopic studies. Ag-CIN-1 acts as a truly heterogeneous catalyst in the hydration of nitriles to amides and the A(3) coupling reactions between the alkyne, amine and aldehyde to produce propargylamines by using water as a green solvent.
机译:富氮多孔共价亚胺网络材料(CIN-1)已成功用于接枝银纳米颗粒(Ag NPs)。已通过元素分析,粉末X射线衍射(XRD),透射电子显微镜(TEM),傅立叶变换红外光谱(FT-IR),紫外可见散射对Ag NPs接枝的CIN-1,Ag-CIN-1进行了表征反射光谱(DRS),热重分析(TGA)和EPR光谱研究。在腈水合成酰胺以及炔,胺和醛之间的A(3)偶联反应中,Ag-CIN-1充当真正的多相催化剂,通过使用水作为绿色溶剂来生产炔丙基胺。

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