Citation: Xing Yue WEI, Sheng Ying QIN. Dioxygen Affinities and Catalytic Oxidation Performance of Co (Ⅱ) Complexes with Phenol Ether Bridged Dihydroxamic Acids[J]. Chinese Chemical Letters, ;2006, 17(9): 1259-1262. shu

Dioxygen Affinities and Catalytic Oxidation Performance of Co (Ⅱ) Complexes with Phenol Ether Bridged Dihydroxamic Acids

Xing Yue WEI ^1, ,
Sheng Ying QIN ²

1.
College of Environmental and Biological Engineering, Chongqing Technology and Business University, Chongqing 400067;
2.
Department of Chemistry, Sichuan University, Chengdu 610064

Received Date: 27 February 2006

Fund Project: This work was supported by the National Natural Science Foundation of China (No. 2007205).

The oxygenation constants and thermodynamic parameter (△H°, △S°) of a series of novel Co (Ⅱ) complexes with phenol ether bridged dihydroxamic acids CoL¹-CoL⁶ were measured, their catalytic performance in oxidation of p-xylene to p-toluic acid (PTA) were examined. The modulation of O₂-binding capabilities and catalytic oxidation activities by X (X=Cl, OCH₃) and Y(Y=H, CH₃, Cl) groups bonded to the aromatic rings of the Co (Ⅱ) complexes were investigated.
- Cobalt(Ⅱ) complexes,
- dioxygen affinities,
- catalytic oxidation,
- p-xylene
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