Reactions of tetrabromocatecholatomanganese(III) complexes with dioxygen

被引：51
|
作者：
Rolle, Clarence J., III [1 ]
Hardcastle, Kenneth I. [2 ]
Soper, Jake D. [1 ]
机构：
[1] Georgia Inst Technol, Sch Chem & Biochem, Atlanta, GA 30332 USA
[2] Emory Univ, Dept Chem, Xray Crystallog Ctr, Atlanta, GA 30322 USA
来源：
INORGANIC CHEMISTRY | 2008年 / 47卷 / 06期
关键词：
D O I：
10.1021/ic702390q
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
New five- and six-coordinate complexes containing the [Mn-III(Br(4)cat)(2)](-) core (Br(4)cat(2-) = tetrabromo-1,2-catecholate) have been prepared. Homoleptic [Mn-III(Br(4)cat)(3)](3-) reacts rapidly with O-2 to produce tetrabromo-1,2-benzoquinone (Br(4)bq). The [Mn-III(Br(4)cat)(2)](-) fragment is a robust catalytic platform for the aerobic conversion of catechols to quinones. The oxidase activity apparently derives from the coupling of metal- and ligand-centered redox events.
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收藏
页码：1892 / 1894
页数：3
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