Carbonylative Suzuki-Miyaura Coupling Reactions of Aryl Iodides with Readily Available Polymer-Immobilized Palladium Nanoparticles
Carbonylative Suzuki-Miyaura Coupling Reactions of Aryl Iodides with Readily Available Polymer-Immobilized Palladium Nanoparticles
复制标题
芳基碘化物与现成聚合物固定钯纳米粒子的羰基化 Suzuki-Miyaura 偶联反应
作者：
Yasukawa;T.;Zhu;Z.;Yamashita;Y.;Kobayashi;S.
研究了聚硅烷/氧化铝负载的钯纳米粒子在无配体条件下催化的Suzuki-Miyaura偶联反应合成二芳基酮。在常压CO气体条件下，催化剂负载量低，仍能获得较高的产率和选择性。各种芳基碘化物和芳基硼酸可以用来以极高的产率合成二芳基酮。此外，无配体的固定化钯纳米粒子可以通过简单的过滤回收，并且催化活性可以保持几次。
Polysilane/alumina-supported palladium nanoparticle catalyzed carbonylative Suzuki–Miyaura coupling reactions under ligand-free conditions have been developed to synthesize diaryl ketones. High yields and selectivities were achieved even with low catalyst loading under atmospheric pressure of CO gas. A variety of aryl iodides and arylboronic acids could be utilized to afford the diaryl ketones in excellent yields. Moreover, the ligand-free immobilized palladium nanoparticles could be recovered by simple filtration and the catalytic activity could be maintained for several runs.