| 半夹芯式16电子化合物CpCo(S2C2B10H10)与重氮乙酸乙酯及联烯三元反应体系 |
| Reactivity of Half-Sandwich 16 Electron Compound CpCo(S2C2B10H10) with Ethyl Diazoacetate and Allenes |
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| 摘要: 半夹芯式碳硼烷16e金属有机化合物CpCo（S2C2B10H10）与重氮乙酸乙酯及联烯在室温下反应，生成化合物1和2。在化合物1和2中，一分子重氮乙酸乙酯与一分子联烯以头-头方式插入Co-B键之间使碳硼烷B（3）/（6）位发生B-H键活化生成B-C键，另有一分子重氮乙酸乙酯使Co-S断裂形成硫叶立德。分别采用红外、核磁、元素分析、质谱和单晶X射线衍射等表征方法对化合物1和2进行了结构表征。 |
| 关键词: 碳硼烷 联烯 重氮乙酸乙酯 B-H键活化 |
| 基金项目: 国家自然科学基金（No.21271102）资助项目。 |
| Abstract: The three-component reactions of the 16 electron half-sandwich complex CpCo(S2C2B10H10) (Cp:cyclopentadienyl) with ethyl diazoacetate (EDA) and terminal allenes at ambient temperature lead to compounds 1 and 2. In 1 and 2, one EDA and one allene are inserted into Co-B bonds in a head-to-head mode making the hydrogen atom of the B(3)-H bond transform into the middle carbon of allene. One EDA molecule is also inserted into a Co-S bond to form a sulfide ylide. The new compounds 1 and 2 were characterized by NMR (1H, 11B, 13C), mass spectra, IR spectroscopy and elemental analysis, and their solid-state structures were further characterized by X-ray structural analysis. |
| Keywords: carborane allene ethyl diazoacetate B-H activation |
| 投稿时间：2016-12-03 修订日期：2016-12-16 |
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| 刘贵锋,燕红.半夹芯式16电子化合物CpCo(S2C2B10H10)与重氮乙酸乙酯及联烯三元反应体系[J].无机化学学报,2017,33(3):487-492. |
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