Anionic Fischer-type carbene complexes as bidentate (N,O) ligandsElectronic supplementary information (ESI) available: molecular structures of 4b, 5, 7 and 8. See http://www.rsc.org/suppdata/dt/b3/b316998g/
作者:Helgard G. Raubenheimer、Aletta du Toit、Maria du Toit、Jin An、Lizette van Niekerk、Stephanie Cronje、Catharine Esterhuysen、Andrew M. Crouch
DOI:10.1039/b316998g
日期:——
polynuclear complexes, (L1)3M2 M2 = Cr(III) (4a, 4b), Fe(III) (5), Co(III) (8)}, (L1)2M2(L2)2 M2 = Co(II) (7), Ni(II) (9)}, (L1)2M2(O)L2 M2 = V(IV) (6)} and L1M2Cp2 M2 = Ti(III) (10)} with L1 = (CO)5M1CCNC(CH3)CHS}O− (M1 = Cr or W) and L2 = 4-methylthiazole or THF, are described. The molecular structures of these complexes determined by X-ray diffraction show that the Fischer-type carbene complexes act
新的多核配合物(L 1)3 M 2 M 2 = Cr(III)(4a,4b),Fe(III)(5),Co(III)(8)},(L 1)2 M 2( L 2)2 M 2 = Co(II)(7),Ni(II)(9)},(L 1)2 M 2(O)L 2 M2 = V( IV)( 6)}和L 1 M 2 Cp 2 M 2 = Ti( III)( 10)},其中L 1 =(CO) 5 M 1 C CNC(CH 3)CHS} O − (M 1 = Cr或W)和L 2 =4-甲基噻唑描述了THF或THF。这些配合物的分子结构由X射线衍射 表明菲舍尔型 卡宾 复合体充当双齿 配体 朝向第二个金属中心,通过连接有C(碳烯)的O原子进行配位,并且 亚胺噻唑基的N原子与mer构型的氧原子形成五元螯合物。同构复合物在其结构中具有相似的特征谱带模式远红外 光谱。 循环伏安法 选定的配合物揭示了 氧化作用 的