One Site is Enough. Catalytic Water Oxidation by [Ru(tpy)(bpm)(OH2)]2+ and [Ru(tpy)(bpz)(OH2)]2+

被引:584
作者
Concepcion, Javier J. [1 ]
Jurss, Jonah W. [1 ]
Templeton, Joseph L. [1 ]
Meyer, Thomas J. [1 ]
机构
[1] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA
关键词
D O I
10.1021/ja8059649
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Water oxidation is a key reaction in natural photosynthesis and in many schemes for artificial photosynthesis. Although metal complexes capable of oxidizing water based on Ru, Mn, and Ir are known, a significant question is whether or not dimeric or higher order structures are required for water oxidation. We report here single-site catalytic water oxidation by the monomeric complexes [Ru(tpy)(bpm)(OH2)](2+) and [Ru(tpy)(bpz)(OH2)](2+) (tpy is 2,2':6',2 ''-terpyridine; bpm is 2,2'-bipyrimidine; bpz is 2,2'-bipyrazine) by a well-defined mechanism involving Ru-v square O.
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页码:16462 / +
页数:3
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