介导的C-H基化 Ferrocenes与奇拉的BINOL配体
Xin Kuang1,2, Jian-Jun Li1, Tao Liu1
1State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, CAS 345 Lingling Road, Shanghai, 200032, P.R. China.
Nature communications
|November 24, 2023
概括
研究人员开发了第一个用的BINOL配体激活C-H激活反应. 这种方法有效地产生平面性铁,并提供了对铜催化反应的机械洞察.
科学领域:
- 有机化学 有机化学
- 催化剂是一种催化剂.
- 有机金属化学 有机金属化学
背景情况:
- 铜 (II) 催化C-H激活反应得到了广泛的研究,但它们的机制,特别是C-H化,与 (II) 催化相比仍然不清楚.
- 开发酶选择性版本和理解反应机制对于推进配体加速铜催化是至关重要的.
研究的目的:
- 调查Cu (II) 催化C-H激活的机制,并开发配体加速的反选择性变体.
- 报告了第一个enantioselective Cu-mediated C-H激活,用于合成平面性铁.
主要方法:
- 使用修饰的性BINOL连接体用于铜催化C-H激活.
- 采用铁衍生物与zoline-aniline定向组用于定向的C-H基化.
- 研究了铜催化反应中的联体加速效应.
主要成果:
- 实现了第一个Cu介导的选择性C-H激活的例子,产生具有高效率和立体控制的平面性铁.
- 使用以BINOL为基础的二醇联体在指导C-H化中证明了联体加速.
- 展示了与终端烯和基烯的兼容性,扩大了超出Pd催化反应的范围.
结论:
- 这项研究在使用铜催化剂的对抗选择性C-H激活中取得了重大进展.
- 这些发现提供了关键的机理信息,关于Cu (II) 系统中C-H键裂解路径.
- 这项工作为开发新的联体加速铜催化C-H激活反应铺平了道路.
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