prepared and characterized by X-ray crystallography and UV/Vis and EPR spectroscopy. The phenolate moieties of the copper(II) complexes of LtBuH and LOMeH were electrochemically oxidized to phenoxyl radicals. These complexes are EPR-active (S=1), highly stable (k(decay)=0.008 min(-1) for [Cu(II)(LOMe(.))(CH(3)CN)](2+)) and stoichiometrically oxidise benzyl alcohol. Two additional tripodal ligands providing
合成了具有N(3)O配位球的四个三脚架
配体:(2-羟基-3-叔丁基-5-硝基苄基)双(2-
吡啶基甲基)胺(LNO(2)H),(2-羟基- 3-叔丁基-5-
氟苄基)双(2-
吡啶基甲基)胺(LFH),(2-羟基-3,5-二叔丁基苄基)双(2-
吡啶基甲基)胺(LtBuH)和(2-羟基-3-叔丁基-5-甲氧基苄基)双(2-
吡啶基甲基)胺(LOMeH)。制备了它们的方锥体
铜(II)配合物,其中
苯酚亚基占据轴向位置,并通过X射线晶体学,UV / Vis和EPR光谱进行了表征。LtBuH和LOMeH的
铜(II)配合物的
酚盐部分被电
化学氧化为苯氧基。这些络合物具有EPR活性(S = 1),高度稳定([Cu(II)(LOMe(。))(CH(3)CN)](2+)的k(衰变)= 0.008 min(-1) )并
化学计量氧化
苄醇。还研究了另外两个提供N(2)O(2)配位球的三脚架
配体:(2-
吡啶基甲基)(2-羟基