结构,结合分析和反应能力的Dicationic Digallene和Diindene模仿横曲的Ditetrylenes的结构,结合分析和反应
Antoine Barthélemy1, Harald Scherer1, Michael Daub1
1Institut für Anorganische und Analytische Chemie and Freiburger Materialforschungszentrum (FMF), Universität Freiburg, Albertstr. 21, 79104, Freiburg, Germany.
Angewandte Chemie (International ed. in English)
|September 20, 2023
概括
研究人员利用双环基基 (dcpe) 合成了第一个二基基基和二基基结构. 这些化合物具有短MI MI 双键,并与各种不和化合物表现出独特的反应性.
科学领域:
- 无机化学 无机化学
- 有机金属化学 有机金属化学
- 主群 化学 化学
背景情况:
- 亚价主要组元件提供独特的绑定和反应性.
- 在主要组化学中,滴定性物种的探索比中性或离子对应物少.
- 新型低价值金属化合物的合成和表征对于理解化学结合至关重要.
研究的目的:
- 合成和描述了第一个二元化的二甲烯和二烯结构.
- 研究这些新型化合物中MI MI 双键的结合特性.
- 为了探索二化物种与各种不和基质的反应性.
主要方法:
- 亚价 () 和 () 源与双环基 (dcpe) 的反应.
- 由此产生的二盐的结构性表征 [{M(dcpe) }2 ][pf]2.
- 量子化学计算,包括分子中的原子量子理论 (QTAIM) 和用化学价值自然轨道进行能量分解分析 (EDA-NOCV),以分析结合.
主要成果:
- 成功合成了第一个跨曲的二基复合物 - - 迪加和迪因.
- 观察出奇短的MI MI 双键,其结构类似于德塞特利.
- 在室温下证明了与基,基,二硫化物和基的二化二甲烯复合物的反应性.
结论:
- 这项研究报告了第一个二二甲和二二甲,扩大了已知的低价值主要组元素的化学结构.
- MI MI 双键表现出独特的结合特性,与异电子中性 digermenes 和 distannenes 相比.
- 滴定性物种表现出显著的反应性,表明在合成和催化中的潜在应用.
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