Fe3O4@SiO2/ZnCl2 was prepared by supporting ZnCl2 on silica‐coated magnetic nanoparticles of Fe3O4. This recoverable catalyst was used for the synthesis of quinolines via Friedländer synthesis from 2‐aminoaryl ketones and α‐methylene ketones under solvent‐free condition. The prepared catalyst was characterized by FT‐IR, TEM, SEM, XRD, EDX, ICP‐OES, VSM and BET. It was found that Fe3O4@SiO2/ZnCl2 showed
通过将ZnCl 2负载在
二氧化硅包覆的Fe 3 O 4磁性纳米粒子上,制备了Fe 3 O 4 @SiO 2 / ZnCl 2的磁性纳米催化剂。这种可回收的催化剂用于在无溶剂条件下通过2-
氨基芳基酮和α-亚甲基酮通过Friedländer合成法合成
喹啉。通过FT-IR,
TEM,
SEM,XRD,EDX,ICP-OES,VSM和BET对制备的催化剂进行表征。发现Fe 3 O 4 @SiO 2 / ZnCl 2的催化活性高于均相的ZnCl 2。,并且可以重复使用几次,而不会造成活动损失。