Pyrazole‐Tethered Heteroditopic Ligands and Their Transition Metal Complexes: Synthesis, Structure, and Reactivity
作者:Anuradha Mukherjee、U. Subramanyam、Vedavati G. Puranik、Thekke P. Mohandas、Amitabha Sarkar
DOI:10.1002/ejic.200400818
日期:2005.4
Various pyrazole-based P,N (2a–c) and N,N (3a–b) ligands have been synthesized. Using representative ligands, NiII, CoII, CuII, and CuI complexes have been prepared and structurally characterized by crystallography. During complexation of CoII and CuII salts, the phosphane part of the P,N ligand oxidized to phosphane oxide. For N,N donor ligands, a dimeric chloro-bridged NiII complex was obtained.
已经合成了各种基于吡唑的 P,N (2a-c) 和 N,N (3a-b) 配体。使用代表性配体,NiII、CoII、CuII 和 CuI 配合物已被制备,并通过晶体学进行结构表征。在 CoII 和 CuII 盐的络合过程中,P,N 配体的磷烷部分被氧化成氧化磷。对于 N,N 供体配体,获得了二聚氯桥连 NiIII 复合物。NiIII络合物4是乙烯低聚反应的活性催化剂。(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)