氧化诱导碳链生长在钨中心

Journal of The Chemical Society, Chemical Communications Pub Date : 1996-01-01 DOI:10.1039/CC9960001877

I. Bartlett, N. Connelly, Legge, Antonio Martín, Bernhard Metz, A. Orpen

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引用次数: 2

摘要

x射线结构和EHMO研究表明，双金属环戊二烯配合物[W2(µ-C4Me4)2(η-C5H5)2]氧化为[W2(µ-C4Me4)2(η-C5H5)2]z+(z= 1,2)时，两个电子从W-W δ*轨道上依次移出;该反应在沸腾的MeCN中发生C-C偶联和质子损失，生成[W2(µ-C8Me7CH2)(η-C5H5)2]+，并与氢化物离子形成金属环壬四烯配合物[W2(µ-C8Me8)(η-C5H5)2]。

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Oxidatively induced carbon chain growth at a ditungsten centre

X-Ray structural and EHMO studies show that two electrons are sequentially removed from a W–W δ* orbital on oxidation of the bis(metallacyclopentadiene) complex [W2(µ-C4Me4)2(η-C5H5)2] to [W2(µ-C4Me4)2(η-C5H5)2]z+(z= 1,2); the dication undergoes C–C coupling and proton loss in boiling MeCN to give [W2(µ-C8Me7CH2)(η-C5H5)2]+ which adds hydride ion to form the metallacyclononatetraene complex [W2(µ-C8Me8)(η-C5H5)2].

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来源期刊

Journal of The Chemical Society, Chemical Communications

自引率

0.00%

发文量

审稿时长

2 months