合成的氧基化复合物
Feng Zhai1, Konstantin V Bukhryakov1, Richard R Schrock1
1Department of Chemistry 6-331 , Massachusetts Institute of Technology , Cambridge , Massachusetts 02139 , United States.
Journal of the American Chemical Society
|October 9, 2018
概括
本研究详细介绍了新型基和基复合物的合成和表征. 这些有机化合物与水和烯酸具有独特的反应性,形成新的催化中间体.
科学领域:
- 有机金属化学 有机金属化学
- 催化剂的催化剂是.
- 协调化学 协调化学
背景情况:
- 复合物在各种催化转化中至关重要.
- 了解基烯和基烯复合物的反应性是开发新合成方法的关键.
- 之前的研究已经探索了相关的系统,但与体积大的配体和小分子的特定反应模式仍然是一个感兴趣的领域.
研究的目的:
- 为了合成和表征新的 (VI) 化和化复合物与重的配体.
- 为了研究这些复合物的与水和烯的反应性.
- 阐明观察到的转变的结构和机制方面.
主要方法:
- 通过与胺基和素的反应合成复合物.
- 射线晶体学用于关键中间体的结构性确定.
- 核磁共振 (NMR) 光谱用于表征和反应监测.
- 与乙烯和norbornadiene衍生物的反应,以研究olefin插入.
主要成果:
- 三角双抗利丁复合物Mo (O) (CHAr) 的合成.
- 在与水反应时形成二元氧桥复合体.
- 产生的Mo (O) (CHAr) (p) (OR) (F9) (L) 复合体与各种素.
- 合成了一个四坐标的合成基烯复合物Mo(O) ((CHArp) ((OHMT) 2.
- 观察到与乙烯的反应导致金属环丁的形成和氨酸转化中间体.
- 报告了第一插入产品与norbornadiene衍生物的合成.
结论:
- OHMT联体的固体质量影响了复合物的几何和反应性.
- 合成的复合物作为催化相关物种的前体.
- 该研究提供了对高价值基烯与不和基质的基本反应性的见解.
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