Protonation and dehydration reactions of the Mn4O4L6 cubane and synthesis and crystal structure of the oxidized cubane [Mn4O4L6]+:: A model for the photosynthetic water oxidizing complex

Protonation and dehydration reactions of the Mn4O4L6 cubane and synthesis and crystal structure of the oxidized cubane [Mn4O4L6]+:: A model for the photosynthetic water oxidizing complex
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DOI:
10.1021/ic981145y
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发表时间:
1999-03-22
影响因子:
4.6
通讯作者:
Dismukes, GC
Dismukes, GC
中科院分区:
化学2区
文献类型:
--
作者:
Ruettinger, WF;Ho, DM;Dismukes, GC

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合成和![Mn4O4L6](+)(CF3SO3-)的原子结构。1(+)OTf(-)(L=二苯基膦)。这种新的光合作用水氧化络合物模型将已知的[Mn4O4](n+)立方烷核型扩展到Mn-4(III,3IV)氧化态。这种簇合物的合成是通过分子氧对Mn4O4L6(1)进行单电子氧化,在1中的一个氧化桥的质子化或硅烷化引发的一系列步骤中实现的。
The synthesis and! atomic structure of [Mn4O4L6](+)(CF3SO3-). 1(+)OTf(-) (L = diphenylphosphinate), is reported. This new model for the photosynthetic water oxidizing complex extends the known [Mn4O4](n+) cubane core type to the Mn-4(III,3IV) oxidation state. Synthesis of this cluster is achieved by one-electron oxidation of Mn4O4L6 (1) by molecular oxygen in a series of steps initiated by the protonation or silylation of one oxide bridge in 1.