作者:Izabela Błaszczyk、Andrzej Gniewek、Anna M. Trzeciak
DOI:10.1016/j.jorganchem.2012.03.010
日期:2012.7
C–P(O–m-CH3C6H3)(O–m-CH3C6H4)2}2], 3b. The trimeric palladium complexes very efficiently catalyzed the Suzuki–Miyaura and Hiyama reactions in ethane-1,2-diol and the Sonogashira cross-coupling in ionic liquids. The mercury test confirmed the homogeneous pathway of the Suzuki–Miyaura reaction, although Pd(0) nanoparticles were observed by TEM in the post-reaction mixture.
制备了一系列[Pd 3(μ-Cl)4(PC )2 ](PC =正金属化的亚磷酸芳基亚磷酸酯)的三聚钯配合物,并使用31 P NMR和ESI-MS方法对其结构进行了表征。的结构[钯3(μ 2 -Cl)4 ķ 2 -P,C-P(O-O-CH 3 C ^ 6 ħ 3)(O-O-CH 3 C ^ 6 ħ 4)2 } 2 ] ,1C,通过X射线衍射确定。将其与二聚体复合物[Pd 2(μ-Cl)2 k 2 -P,C–P(O–m-CH 3 C 6 H 3)(O–m-CH 3 C 6 H 4)2 } 2 ],3b。三聚体钯络合物非常有效地催化了乙烷-1,2-二醇中的Suzuki-Miyaura和Hiyama反应,以及离子液体中的Sonogashira交叉偶联。尽管通过TEM在反应后混合物中观察到Pd(0)纳米颗粒,但汞测试证实了Suzuki-Miyaura反应的均质途径。