Half-sandwich η6-benzene Ru(II) complexes of pyridylpyrazole and pyridylimidazole ligands: Synthesis, spectra, and structure
作者:Haritosh Mishra、Rabindranath Mukherjee
DOI:10.1016/j.jorganchem.2006.04.037
日期:2006.8
New series of half-sandwich ruthenium(II) complexes supported by a group of bidentate pyridylpyrazole and pyridylimidazole ligands [(η6-C6H6)Ru(L2)Cl][PF6] (1), [(η6-C6H6)Ru(HL3)Cl][PF6] (2), [(η6-C6H6)Ru(L4)Cl][PF6] (3), and [(η6-C6H6)Ru(HL5)Cl][PF6] (4) [L2, 2-[3-(4-chlorophenyl)pyrazol-1-ylmethyl]pyridine; HL3, 3-(2-pyridyl)pyrazole; L4, 1-benzyl-[3-(2′-pyridyl)]pyrazole; HL5, 2-(1-imidazol-2-yl)pyridine]
新系列半夹心钌(II)配合物由一组双齿pyridylpyrazole和吡啶基咪唑配体的支持[(η 6 -C 6 H ^ 6)的Ru(L 2)CL] [PF 6 ](1),[(η 6 -C 6 ħ 6)的Ru(HL 3)CL] [PF 6 ](2),[(η 6 -C 6 H ^ 6)的Ru(L 4)CL] [PF 6 ](3)和[(η 6 -C 6 H 6)Ru(HL 5)Cl] [PF 6](4)[L 2,2- [3-(4-氯苯基)吡唑-1-基甲基]吡啶; HL 3,3-(2-吡啶基)吡唑; 大号4,1-苄基- [3-(2'-吡啶基)]吡唑; HL 5,2-(1-咪唑-2-基)吡啶]报道。的分子结构1 - 4无论是在通过X射线晶体学,固态并且在使用溶液1 H NMR光谱已被阐明。此外,配合物中的晶体堆积可以通过C–H⋯X(X = Cl和π),N–H⋯Cl和π–π相互作用来稳定。