首页> 外文期刊>Chemistry: A European journal >Metal-mediated formation of carbon-halogen bonds
【24h】

Metal-mediated formation of carbon-halogen bonds

机译:金属介导的碳-卤素键的形成

获取原文
获取原文并翻译 | 示例
           

摘要

Organic halides represent basic starting materials for numerous metal-catalyzed organic transformations. Generally, the carbon-halogen is broken in the first step, that is, an oxidative addition reaction, of the catalytic cycle. On the other hand, very little is known about the reverse reaction, carbon-halogen reductive elimination from a transition-metal center. In this Concept article, we describe the examples of C(sp(3))-halide and C(sp(2))-halide reductive-elimination reactions which demonstrate that this type of reactivity can be quite common in organometallic chemistry. Although the thermodynamic driving force for the formation of carbon-halogen bonds is relatively small, the kinetic barrier for these reactions can also be low. Thus, C-halide reductive elimination can compete favorably with the more established organic transformations, such as C-C reductive elimination.
机译:有机卤化物代表了许多金属催化的有机转化的基本原料。通常,碳卤素在催化循环的第一步即氧化加成反应中被破坏。另一方面,关于逆反应,从过渡金属中心的碳-卤素还原消除的了解很少。在此概念文章中,我们描述了C(sp(3))-卤化物和C(sp(2))-卤化物还原消除反应的示例,这些示例表明这种类型的反应活性在有机金属化学中可能非常普遍。尽管形成碳-卤素键的热力学驱动力相对较小,但这些反应的动力学势垒也可能很低。因此,C-卤化物的还原消除可与更成熟的有机转化,例如C-C还原性消除竞争良好。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号