由阴阳复合体催化的基水化:高效和一般的转加法
Barry M Trost1, Zachary T Ball
1Department of Chemistry, Stanford University, Stanford, California 94305-5080, USA. bmtrost@stanford.edu
Journal of the American Chemical Society
|December 15, 2005
概括
一个催化剂通过水化有效地从基因合成维尼利西兰. 这种方法显示出高的区域选择性,并保持了各种类型和类的转加过程.
科学领域:
- 有机金属化学 有机金属化学
- 催化剂是一种催化剂.
- 合成有机化学 合成有机化学
背景情况:
- 水化是形成碳-键的关键反应.
- 开发选择性和高效的催化剂用于基因水化仍然是一个活跃的研究领域.
研究的目的:
- 为了研究[Cp*Ru(MeCN) 3PF6的催化活性.
- 探索这种催化系统对各种基底和基的范围和选择性.
主要方法:
- 使用[Cp*Ru(MeCN) 3的催化化反应PF6.6.
- 标签研究以阐明反应机制.
- 三烯基基底的合成,用于与结合的分子内迪尔斯-阿尔德循环添加.
主要成果:
- 催化剂有效地调解终端和内部基的化.
- 对于从终端基中形成的α-vinylsilane,观察到高的区域选择性.
- 通过标签研究证实了清洁的添加机制.
- 催化剂具有广泛的基质范围,可以容纳各种西兰 (基,基,基,基,基,基).
- 区域选择性vinylsilane形成是通过功能化的内部基,如propargylic酒精和基基化合物来实现的.
结论:
- [Cp*Ru(MeCN) 3PF6是一种高效的催化剂,用于基化.
- 催化系统对区域选择性和立体选择性 (转增) 提供了出色的控制.
- 对多种西兰的证明耐受性使得复杂分子的合成可用于进一步的应用,例如与结合的分子内迪尔斯-阿尔德反应.
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