Synthesis of Terphenyl Derivatives by Pd-Catalyzed Suzuki-Miyaura Reaction of Dibromobenzene Using 2N2O-Salen as a Ligand in Aqueous Solution
作者:Ningning Gu、Yashuai Liu、Ping Liu、Xiaowei Ma、Liu Yan、Bin Dai
DOI:10.1002/cjoc.201500446
日期:2015.10
catalyzing the Suzuki‐Miyaura reaction of dibromobenzene and arylboronic acid has been developed by using 2N2O‐salen as a ligand in H2O/EtOH (V:V=4:1) at 100°C. Using this method, the reactions of substrates containing sterically demanding ortho substituents (e.g. dibromobenzene and/or arylboronic acids) proceeded efficiently, with the corresponding terphenylderivatives being produced in moderate to
通过使用2N2O-salen作为H 2 O / EtOH(V:V = 4:1)中的配体,开发了一种简单高效的Na 2 PdCl 4催化二溴苯和芳基硼酸的Suzuki-Miyaura反应的催化系统。℃。使用该方法,含有空间上要求的邻位取代基(例如二溴苯和/或芳基硼酸)的底物的反应有效地进行,相应的三联苯衍生物以中等至极好的收率生产。此外,该方法为三联苯化合物的克级合成提供了有趣的功能。