As DNA cleavage agent, a new diiron（Ⅲ） complex （Fe2Lb）, in which a DNA-intercalator （pyrene） is covalently linked to a diferric moiety, has been synthesized and characterized. The DNA-binding property and DNA c...As DNA cleavage agent, a new diiron（Ⅲ） complex （Fe2Lb）, in which a DNA-intercalator （pyrene） is covalently linked to a diferric moiety, has been synthesized and characterized. The DNA-binding property and DNA cleavage activity of the complex have also been investigated.展开更多
The synthesis and structure of [Fe(Phen)3][(μ-oxo)Fe2Cl6]稤MF are reported. The crystal data for the compound: monoclinic, P2l /c,a =15.491(1),b = 13.217(1),c = 20.748(2)牛?= 93.83(3),V = 4239(2)?,Z = 4,Dc = 1.562g/c...The synthesis and structure of [Fe(Phen)3][(μ-oxo)Fe2Cl6]稤MF are reported. The crystal data for the compound: monoclinic, P2l /c,a =15.491(1),b = 13.217(1),c = 20.748(2)牛?= 93.83(3),V = 4239(2)?,Z = 4,Dc = 1.562g/cm3,μ(MoK)=1.44 mm-1,F(000)= 2040.0, (C39H31Cl6Fe3N7O2) and Mr = 1009.96. X-ray crystallographic studies reveal that the title compound contains complexes of [Fe(Phen)3]2+ and [Fe2(μ-oxo)Cl6]2- which consists of two [FeCl3] fragments connected by an oxo bridge,with the bond distances of Fe(3)O(1) 1.744(4) and Fe(2)O(1) 1.754(4)牛琣nd a bond angle Fe(2)O(1)Fe(3) of 162.9(3). In the [Fe2(μ-oxo)Cl6]2- complex, the two iron (Ⅲ) centres exhibit tetrahedral coordination, with the distorted tetrahedra formed by three Cl atoms and an oxo bridge. The bond lengths to the donor atoms lie in the range 2.211(1)～2.226(1)?for FeCl, and the non-bonded Fe…Fe distance is 3.459?展开更多
文摘As DNA cleavage agent, a new diiron（Ⅲ） complex （Fe2Lb）, in which a DNA-intercalator （pyrene） is covalently linked to a diferric moiety, has been synthesized and characterized. The DNA-binding property and DNA cleavage activity of the complex have also been investigated.
基金Supported by the foundation of Education Committee of Fujian Province (JB01045)
文摘The synthesis and structure of [Fe(Phen)3][(μ-oxo)Fe2Cl6]稤MF are reported. The crystal data for the compound: monoclinic, P2l /c,a =15.491(1),b = 13.217(1),c = 20.748(2)牛?= 93.83(3),V = 4239(2)?,Z = 4,Dc = 1.562g/cm3,μ(MoK)=1.44 mm-1,F(000)= 2040.0, (C39H31Cl6Fe3N7O2) and Mr = 1009.96. X-ray crystallographic studies reveal that the title compound contains complexes of [Fe(Phen)3]2+ and [Fe2(μ-oxo)Cl6]2- which consists of two [FeCl3] fragments connected by an oxo bridge,with the bond distances of Fe(3)O(1) 1.744(4) and Fe(2)O(1) 1.754(4)牛琣nd a bond angle Fe(2)O(1)Fe(3) of 162.9(3). In the [Fe2(μ-oxo)Cl6]2- complex, the two iron (Ⅲ) centres exhibit tetrahedral coordination, with the distorted tetrahedra formed by three Cl atoms and an oxo bridge. The bond lengths to the donor atoms lie in the range 2.211(1)～2.226(1)?for FeCl, and the non-bonded Fe…Fe distance is 3.459?
