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Nickel−Copper bimetallic mesoporous nanoparticles: As an efficient heterogeneous catalyst for N‐alkylation of amines with alcohols
Applied Organometallic Chemistry ( IF 3.7 ) Pub Date : 2020-10-28 , DOI: 10.1002/aoc.6032
Zahra Nasresfahani 1 , Mohamad Z. Kassaee 1
Affiliation  

A bimetallic catalyst (Ni/Cu‐MCM‐41) is prepared via co‐condensation method. The latter is characterized by Fourier transform infrared (FT‐IR), X‐ray powder diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X‐ray spectroscopy (EDX), diffuse reflectance spectroscopy (DRS), and nitrogen adsorption–desorption analysis. Catalytic performance of Ni/Cu‐MCM‐41 is probed in N‐alkylation of amines with alcohols through a hydrogen autotransfer process. Noteworthy, this catalytic system appears very efficient for synthesis of a range of secondary and tertiary amines in good to excellent isolated yields. Moreover, the catalyst is successfully recovered and reused four times without notable decrease in its activity.

中文翻译:

镍-铜双金属介孔纳米粒子:作为胺与醇进行N-烷基化的高效多相催化剂

通过共冷凝法制备双金属催化剂(Ni / Cu-MCM-41)。后者的特点是傅立叶变换红外(FT-IR),X射线粉末衍射(XRD),扫描电子显微镜(SEM),能量色散X射线光谱(EDX),漫反射光谱(DRS)和氮吸附-解吸分析。Ni / Cu-MCM-41的催化性能通过氢自动转移过程在胺与醇的N-烷基化中得到探究。值得注意的是,这种催化体系对于合成一系列仲胺和叔胺非常有效,分离产率很高。而且,催化剂被成功回收并重复使用了四次,而其活性没有显着降低。
更新日期:2020-12-22
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