Eta3-silapropargyl/alkynylsilylmolybdenum复合物:合成,结构和对甲醇的反应性
Mako Yabe-Yoshida1, Chizuko Kabuto, Kuninobu Kabuto
1Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan.
Journal of the American Chemical Society
|June 13, 2009
概括
合成了新型有机金属复合物,其中包括eta(3) -silapropargyl配体. 这些复合物与甲醇发生反应,形成金属循环和合物复合物,扩展有机化学.
科学领域:
- 有机金属化学 有机金属化学
- 化学 化学
- 协调化学 协调化学
背景情况:
- 新型有机金属化合物的合成对于开发新的催化和材料应用至关重要.
- 有机化合物由于原子的特征而具有独特的特性.
研究的目的:
- 合成和表征的新型eta(3) -silapropargyl和alkynylsilyl复合物.
- 为了研究这些新型复合物的与甲醇的反应性.
主要方法:
- 通过Cp* ((CO) ((2) ((MeCN) MoMe与alkynylsilanes的反应,合成乙酸/基基复合物.
- 使用NMR光谱学和X射线晶体学进行结构性表征.
- 涉及与甲醇反应的反应性研究.
主要成果:
- 新型的eta(3) -silapropargyl/alkynylsilyl复合物Cp*(CO) ((2) Mo(eta(3) -Ph ((2) SiCCR) 已成功合成 (3a, R = (t) Bu; 3b, R = (i) Pr).
- 复合物3a与甲醇反应,产生一个稳定的四个组成的金属循环Cp*(CO)(2) MoC(=CH(t) Bu) SiPh(2) OMe (5a).
- 复合物3b与甲醇发生反应,通过中间金属循环 (5b) 形成一个甲基复合物Cp*CO2Mo甲基3MeOPh2SiHCCHCMe2 (7) .
结论:
- 这项研究证明了新的有机-复合物的成功合成和表征.
- 反应性研究揭示了与甲醇反应时金属循环和eta(3) - 基复合物形成的独特途径.
- 这些发现有助于理解有机化学和开发新的有机金属转化.
相关概念视频
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