Triazole-Functionalized N-Heterocyclic Carbene Complexes of Palladium and Platinum and Efficient Aqueous Suzuki-Miyaura Coupling Reaction
作者:Shaojin Gu、Hui Xu、Na Zhang、Wanzhi Chen
DOI:10.1002/asia.201000071
日期:——
Imidazolium salts bearing triazole groups are synthesized via a copper catalyzed click reaction, and the silver, palladium, and platinum complexes of their N‐heterocyclic carbenes are studied. [Ag4(L1)4](PF6)4, [Pd(L1)Cl](PF6), [Pt(L1)Cl](PF6) (L1=3‐((1‐benzyl‐1H‐1,2,3‐triazol‐4‐yl)methyl)‐1‐(pyrimidin‐2‐yl)‐1H‐imidazolylidene), [Pd2(L2)2Cl2](PF6)2, and [Pd(L2)2](PF6)2 (L2=1‐butyl‐3‐((1‐(pyridin‐2‐yl)‐1H‐1
带有三唑基的咪唑鎓盐是通过铜催化的点击反应合成的,并且研究了它们的N-杂环卡宾的银,钯和铂配合物。[Ag 4(L1)4 ] [PF 6)4,[Pd(L1)Cl](PF 6),[Pt(L1)Cl](PF 6)(L1 = 3-[(1-苄基-1H- 1,2,3-三唑-4-基)甲基)-1-(嘧啶-2-基)-1H-咪唑基亚烷基),[Pd 2(L2)2 Cl 2 ](PF 6)2和[Pd( L2)2 ](PF 6)2(L2 = 1-丁基-3-((1-(吡啶-2-基)-1H-1,1,2,3-三唑-4-基)甲基)咪唑啉)已被合成并通过NMR,元素分析进行了全面表征和X射线晶体学。银络合物[Ag 4(L1)4 ](PF 6)4由Ag 4之字形链组成。含有不对称的NCN '钳形配体的配合物[Pd(L1)Cl](PF 6)和[Pt(L1Cl1] Cl](PF 6)是正方形平面,具有氯化物反过来向卡宾供体。[Pd