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用脉冲辐解法研究大环二氧四胺配体的铜配合物12-(4~1-硝基)-苄基-1,4,7,10-四氮杂环十三烷-11,13-二酮合铜(Ⅱ)歧化超氧离子的动力学,求得其歧化速率常数K_(cat)为1.78×10~6 mol~(-1)·L·s~(-1)(pH=7.0)和1.06×10~6 mol~(-1)·L·s~(-1)(pH=7.8)。其反应机理与超氧歧化酶有类似之处。
Study on Copper Complexes of Macrocyclic Diamine Tetraamine Ligands by Pulsed Radiolysis 12 - (4 ~ 1-Nitro) -benzyl-1,4,7,10-tetraazacyclotridecane-11,13 The kinetics of the disproportionation of superoxide anion of diketone (Ⅱ) was studied. The K (cat) disproportionation constant was 1.78 × 10 ~ 6 mol -1 L · s -1 (pH = 7.0) and 1.06 × 10 ~ 6 mol -1 L · s -1 (pH = 7.8). The reaction mechanism and superoxide dismutase have similarities.