coupled plasma–optical emission spectroscopy (ICP‐OES) analysis. The catalytic activity of Magnetite@MCM‐41@NHC@Pd heterogeneous catalyst done on Suzuki–Miyaura reactions of aryl halides with different substituted arylboronic acid derivatives. All coupling reactions afforded excellent yields and up to 408404 Turnover Frequency (TOF) h−1 in the presence of 2 mg of Magnetite@MCM‐41@NHC@Pd catalyst (0.0564 mmol g−1
磁
铁矿@ MC
M-41 @ NHC @ Pd催化剂是通过将与NHC
配体结合的Pd
金属锚定在Fe 3 O 4的表面上而制得的@ MCM‐41。它的特征在于傅立叶变换红外(FTIR)光谱,透射电子显微镜(
TEM),X射线衍射(XRD),X射线光电子能谱(XPS),能量色散X射线分析(EDX),热重分析(TGA) ),差热分析(DTA)和扫描电子显微镜(
SEM)。Magnetite @ MC
M-41 @ NHC @ Pd中的Pd含量通过电感耦合等离子体发射光谱法(ICP-OES)分析。磁
铁矿@ MC
M-41 @ NHC @ Pd的非均相催化剂对芳基卤化物与不同取代的芳基
硼酸衍
生物的Suzuki-Miyaura反应的催化活性。所有偶联反应均具有出色的收率,最高可达408404的周转频率(TOF)h -1在2毫克磁
铁矿的存在@ MC
M-41 @ NHC @的Pd催化剂(0.0564毫摩尔克-1,0