Mononuclear and Mixed-Valence Trinuclear Manganese Complexes Containing Tripodal Tetradentate Ligands. Phenolato, Carboxylato, and Alkoxo Bridges
作者:Masakazu Hirotsu、Masaaki Kojima、Yuzo Yoshikawa
DOI:10.1246/bcsj.70.649
日期:1997.3
groups on the aromatic rings of the tripodal ligand controls the type of the complex structure. The L3 ligand gave a mononuclear complex, [Mn(L3)(mcba)(CH3OH)], where mcba is a m-chlorobenzoate anion; the structure has been determined by X-ray analysis. The trinuclear complexes are formulated as [Mn3(Ln)2(carboxylato)2(OCH3)2] (n = 1, 2). For the L4 and L5 ligands (H2L4: N,N-bis(5-methoxy-2-hydroxybenzyl)-N′
含有三足四齿配体和 N2O2 供体组的锰配合物(H2L1:N,N-双(2-羟基苄基)-N',N'-二甲基乙二胺,H2L2:N-(3,5-二叔丁基-2-)羟基苄基)-N-(2-羟基苄基)-N',N'-二甲基乙二胺, H2L3: N,N-双(3,5-二叔丁基-2-羟基苄基)-N',N'-二甲基乙二胺)已经准备好了。分离出具有额外羧酸盐配体的单核和三核复合物。3-位叔丁基对三足配体的芳环的空间效应控制复杂结构的类型。L3 配体得到单核络合物 [Mn(L3)(mcba)(CH3OH)],其中 mcba 是间氯苯甲酸阴离子;该结构已通过 X 射线分析确定。三核复合物被公式化为 [Mn3(Ln)2(carboxylato)2(OCH3)2] (n = 1, 2)。对于 L4 和 L5 配体 (H2L4: N,