complexes of chromium(III) containing the redox-active ligand derived from bis(3,5-di- tert -butyl-2-phenol)amine, [ONO cat ]H 3 , were prepared and fully characterized. The potassium salt of [ONO q ] 1− reacted with CrCl 3 (THF) 3 to afford [ONO q ]CrCl 2 (THF) ( 1 ); whereas, the trilithium salt of [ONO cat ] 3− reacted with CrCl 3 (THF) 3 in the presence of pyridine to afford [ONO cat ]Cr(py) 3 ( 3
摘要制备了由双(3,5-二叔丁基-2-
苯酚)胺[ONO cat] H 3衍生的具有氧化还原活性
配体的三价
铬(III)单体配合物,并对其进行了充分表征。[ONO q] 1-的
钾盐与CrCl 3(THF)3反应,得到[ONO q] CrCl 2(THF)(1);另一方面,在
吡啶存在下,[ONO cat] 3-的三
锂盐与CrCl 3(THF)3反应,得到[ONO cat] Cr(py)3(3)。通过使1与K [bpy]反应,得到[ONO sq] CrCl(bpy)(2),从而完成三个电子序列。该系列的所有三个成员都通过结构,光谱和电
化学方法进行了表征。试图实现双电子还原1导致形成了双
金属
铬络合物[ONO cat] Cr(py)2} 2(4),并且在结构上也进行了表征。