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首页> 外文会议>Symposium on Organometallic Chemistry >Bidentate N-Heterocyclic Carbene Complexes of Group 6 Transition Metals:Synthesis, Structure, and Reactivity
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Bidentate N-Heterocyclic Carbene Complexes of Group 6 Transition Metals:Synthesis, Structure, and Reactivity

机译：二齿N-杂环卡宾络合物的第6组过渡金属：合成，结构和反应性

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摘要

N-Heterocyclic carbenes (NHCs) derived from imidazolium salts have been widely used as ancillary ligands in the organometallic chemistry. However, manipulation of the free carbene is usually not easy due to its highly reactive nature toward air and moisture. Recently, the employment of NHC adducts as protected forms of the free carbene attracted much attention for the syntheses of carbene complexes. We have recently reported synthesis of triethylborane adduct of NHC, NHC-BEt_3, which is proved to be quite useful in the introduction of the carbene ligand to a wide range of metal systems. In this presentation, we wish to report (i) the application of our method for the syntheses of bidentate carbene systems, (ii) the preparation of group 6 transition metal complexes bearing these bidentate carbene ligands, and (iii) electronic properties of the carbene ligand estimated by spectroscopic data, reactivity, and theoretical calculation studies.
机译：衍生自Imidazolium Salts的N-杂环碳碳（NHC）已广泛用作有机金属化学中的辅助配体。然而，由于其高度反应性对空气和水分的高度反应性，因此不容易操作。最近，NHC加合物的使用作为受保护形式的游离卡属的组合吸引了Carbene络合物的合成的巨大关注。我们最近报道了NHC，NHC-BET_3的三乙基硼烷加合物的合成，这被证明在将卡宾配体引入广泛的金属系统方面非常有用。在本演示文稿中，我们希望报告（i）我们对二齿卡宾系统的合成方法的应用，（ii）含有这些二齿卡宾配体的第6组过渡金属配合物的制备，以及（iii）卡宾的电子性质通过光谱数据，反应性和理论计算研究估计的配体。

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