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Synthesis and catalytic activity of [Cp′Co(COD)] complexes bearing pendant N-containing groups

机译:含侧基含氮基团的[Cp'Co(COD)]配合物的合成和催化活性

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摘要

The novel Co(I)-complex [Cp~(CN)Co(COD)] (Cp~(CN) = η~5-(C_5H_4CMe_2CH_2CN), COD = 1,5-cyclooctadiene; 3) with a substituted cyclopentadienyl ligand containing a pendant nitrile moiety has been synthesized and characterized by X-ray diffraction. The reactivity of the nitrile group in 3 has been investigated regarding its behavior in cyclization reactions with alkynes, leading to three new complexes containing pendant 2-pyridyl groups. All synthesized complexes have been evaluated as catalysts in the [2 + 2 + 2] cycloaddition reaction of 1,6-heptadiyne and benzonitrile.
机译:具有取代环戊二烯基配体的新型Co(I)络合物[Cp〜(CN)Co(COD)](Cp〜(CN)=η〜5-(C_5H_4CMe_2CH_2CN),COD = 1,5-环辛二烯; 3)合成了侧基腈部分,并通过X射线衍射对其进行了表征。已经研究了3中腈基在与炔烃的环化反应中的反应性,从而产生了三个新的含2-吡啶基侧基的配合物。所有合成的配合物均已作为1,6-庚二炔和苄腈的[2 + 2 + 2]环加成反应的催化剂进行了评估。

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