两种新的具有吡唑衍生的配体2a - 2b的钯配合物易于制备,并通过元素分析,1 H NMR,13 C NMR和IR光谱进行了很好的表征。它们的详细结构由2a的单晶X射线分析确定。这两种化合物已成功地应用于芳基溴化物与苯基硼酸在室温下于水溶液中于空气中的Suzuki偶联反应中,从而以低至0.01-0.05 mol%的催化剂负载量提供了所需的偶联产物,收率良好至优异。
New PCN and PCP Pincer Palladium(II) Complexes: Convenient Synthesis via Facile One-Pot Phosphorylation/Palladation Reaction and Structural Characterization
A series of new PCN pincer palladium(II) complexes with phosphinito group 2a−d and 3 were conveniently prepared viafacile one-pot phosphorylation/palladation reaction of pyrazolyl or amino-containing m-phenol derivatives with chlorophosphines and PdCl2. Two PCP pincer complexes 4a,b were also readily obtained from resorcinol in an analogous yet simplified manner. All of the new complexes have been
与phosphinito组一系列新的PCN钳形钯(II)络合物2A - d和3分别经由吡唑基的容易一锅磷酸化/ palladation反应或方便地制备含氨基的米与chlorophosphines和的PdCl -苯酚衍生物2。从间苯二酚以类似但简化的方式也容易获得两种PCP钳夹复合物4a,b。所有这些新的配合物均已通过1 H NMR,13 C 1 H} NMR,31 P 11 H NMR,IR,ESI-MS和元素分析。另外,已经通过X射线单晶衍射确定了2a - d的分子结构。
Room Temperature Suzuki Reactions in Aqueous Media under Air by Palladium(II) Complexes with Pyrazole Derived Ligands
palladium complexes with pyrazole derived ligands 2a–2b have been easily prepared and well characterized by elemental analysis, 1H NMR, 13C NMR, and IR spectra. Their detailed structures are determined by a single-crystal X-ray analysis of 2a. The two compounds were successfully applied to the Suzuki coupling reactions of aryl bromides with phenylboronic acid, in aqueoussolution at roomtemperature under
两种新的具有吡唑衍生的配体2a - 2b的钯配合物易于制备,并通过元素分析,1 H NMR,13 C NMR和IR光谱进行了很好的表征。它们的详细结构由2a的单晶X射线分析确定。这两种化合物已成功地应用于芳基溴化物与苯基硼酸在室温下于水溶液中于空气中的Suzuki偶联反应中,从而以低至0.01-0.05 mol%的催化剂负载量提供了所需的偶联产物,收率良好至优异。