中性同香醇二博拉迪西拉环丁:合成,结构和反应性
Yu Zhang1, Linlin Wu2, Hao Wang1
1School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, P. R. China.
Journal of the American Chemical Society
|December 2, 2022
概括
研究人员合成了一种新型中性diboradisilacyclobutene,这是其类型中的第一个与混合和. 这种化合物表现出2π-同芳性,由结构和计算分析证实.
科学领域:
- 有机金属化学 有机金属化学
- 材料科学 材料科学 材料科学
- 计算化学计算化学
背景情况:
- 对同芳香化合物的研究对于理解电子移位至关重要.
- 和的化学结构为新的结合和电子结构提供了独特的机会.
- 之前的研究重点是基于碳的同型芳香系统.
研究的目的:
- 为了合成和表征一种新的中性diboradisilacyclobutene.
- 为了研究这种混合-环系统的同芳性质.
- 为了探索合成化合物的反应性.
主要方法:
- 通过降解合成胺和石墨的胺.
- 使用单晶X射线衍射进行结构性表征.
- 使用密度函数理论 (DFT) 的计算分析.
主要成果:
- 成功制备了一种形式中性的 diboradisilacyclobutene.
- X射线分析揭示了一个折叠的B2Si2环,有一个短的跨环B-Si键.
- DFT的计算证实了两个π电子在BSi2部分上的移位,表明2π同芳度.
- 该化合物很容易与CuCl或HCl反应,形成二博拉迪西拉环.
结论:
- 合成的 diboradisilacyclobutene 是 homocyclopropenylium 离子的第一个中性混合-类似物.
- 该化合物表现出显著的2π-同芳香性质,这是由于电子移位.
- 这项研究扩大了同芳系统的范围,包括混合-框架.
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