一氧化碳通过氧化转化为碳酸盐
Matthew Nava1, Nazario Lopez1, Peter Müller1
1Department of Chemistry, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139-4307, United States.
Journal of the American Chemical Society
|October 15, 2015
概括
氧化二,一种减少的氧物种,被成功封装并与有机溶剂中的一氧化碳反应形成碳酸盐. 这一发现为一氧化碳的氧化提供了一种新的,无金属的途径.
科学领域:
- 无机化学
- 超分子化学
- 有机合成
背景情况:
- 由于缺乏可溶性来源,对有机溶剂中的过氧化二 (O2(2-)) 的反应性知之甚少.
- 开发新的一氧化碳氧化方法对于各种化学过程至关重要.
研究的目的:
- 在有机介质中探索封装过氧化的反应性.
- 从过氧化和一氧化碳中研究碳酸盐的形成.
- 展示一种新型的催化系统.
主要方法:
- 封装过氧化二密酸盐的合成和表征 ([O2mBDCA-5t-H6](2-)).
- 过氧化与一氧化碳在有机溶剂中的反应.
- 使用X射线衍射和NMR对得到的碳酸密封物的结构和光谱分析 ([CO3mBDCA-5t-H6]-).
- 通过多种途径独立合成碳酸密度.
主要成果:
- 封装过氧化与二氧化碳清洁反应,形成封装碳酸盐.
- X射线衍射和光谱数据证实了碳酸密度的结构,突出了九个键.
- 同位素标记和核磁共振研究表明,碳酸的氧原子来自过氧离子,碳来自CO.
- 三种独立的合成方法证实了碳酸的形成.
结论:
- 这项研究成功地证明了封装过氧化与一氧化碳的反应性.
- 封装碳酸盐的形成是一个新的转变.
- 这项工作提出了一种新的结离子受体介导的碳氧化途径,为过渡金属催化提供了替代方案.
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