由素支持的类型的维尼利二
Wei Lu1, Yongxin Li1, Rakesh Ganguly1
1Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, and ‡NTU-CBC Crystallography Facility, Nanyang Technological University , 637371, Singapore.
Journal of the American Chemical Society
|January 18, 2018
概括
催化四二化物促进了艾伦二中的1,3转移,形成了维尼利丁二离子类似物. 这种化合物具有独特的π轨道结合,并与ZnBr2形成可分离的复合物.
科学领域:
- 有机化学
- 主要组化学
- 合成无机化学
背景情况:
- 有机化合物是合成中的多功能构件.
- 迪波兰及其独特的结合特性具有重要意义.
- 了解新物种的反应性和电子结构至关重要.
研究的目的:
- 为了研究艾伦基二的催化转化.
- 描述由此产生的终端二博烯及其电子特性.
- 探索新型二博烯物种的协调化学反应.
主要方法:
- 使用较重的二四烯的催化反应.
- 用于结构确定的X射线衍射分析.
- 用于电子结构分析的计算研究 (例如DFT).
主要成果:
- 观察到一个1,3-转移,产生一个终端二 (2).
- 化合物2作为一个由易斯基稳定的乙烯基的类型.
- X射线和计算数据证实了C=C和B=B π轨道之间的结合性相互作用.
- 与ZnBr2的反应产生了具有不对称协调的可分离复合物 (3).
结论:
- 新型二转化提供了独特的结构.
- 终端二博烯由于π-轨道结合而表现出有趣的电子特性.
- 可以通过对金属中心的协调来稳定二博.
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