Synthesis, characterization and application of magnetic mesoporous Fe3O4@Fe-Cu/MCM‐41 as efficient and recyclable nanocatalyst for the Buchwald-Hartwig C-N cross-coupling reaction
作者:Mohammad Abdollahi-Alibeik、Zahra Ramazani
DOI:10.1007/s12039-022-02066-w
日期:2022.9
prepared and applied as a nanostructured catalyst in the Buchwald-Hartwig C-N cross-coupling reaction. The textural properties of the core-shell catalyst have been studied by means of XRD, FTIR, SEM, EDX, BET, and VSM techniques. The catalyst samples with various Si:Cu:Fe molar ratios were used in the C-N coupling, and the reaction data shows that Fe3O4@Fe-Cu/MCM-41 with Si:Cu:Fe molar ratio of 60:1.5:1
制备了MCM-41 负载的带有磁芯的 Cu 和 Fe (Fe 3 O 4 @Fe-Cu/MCM-41),并将其用作 Buchwald-Hartwig CN 交叉偶联反应中的纳米结构催化剂。核壳催化剂的结构性质已经通过XRD、FTIR、SEM、EDX、BET和VSM技术进行了研究。不同Si:Cu:Fe摩尔比的催化剂样品用于CN偶联,反应数据表明Si:Cu:Fe摩尔比为60:1.5的Fe 3 O 4 @Fe-Cu/MCM-41: 1具有较好的催化性能。制备的催化剂可以多次回收和重复使用,而活性和磁性没有任何显着降低。 图形概要 制备了MCM-41 负载的带有磁芯的 Cu 和 Fe (Fe 3 O 4 @Fe-Cu/MCM-41),并将其用作 Buchwald-Hartwig CN 交叉偶联反应中的纳米结构催化剂。Si:Cu:Fe摩尔比为60:1.5:1的催化剂具有更好的催化性能,可以多次回收重复使用,活性没有明显下降。