作者:Andrey Yu. Chernenko、Victoria A. Baydikova、Vadim V. Kutyrev、Alexander V. Astakhov、Mikhail E. Minyaev、Victor M. Chernyshev、Valentine P. Ananikov
DOI:10.1002/cctc.202301471
日期:2024.3.8
A new approach to designing NHC ligands that enables significant facilitation of unactivated aryl halide oxidative addition in Pd/NHC-catalyzed reactions has been developed. Innovative NHC ligands enhancing Pd-catalyzed aryl chloride reactions are introduced. Leveraging steric and anionic properties, these 1,2,4-triazol-5-ylidene ligands improve efficiency in oxidative addition. Based on Nitron-type
开发了一种设计 NHC 配体的新方法,该方法能够显着促进 Pd/NHC 催化反应中未活化的芳基卤氧化加成。引入了创新的 NHC 配体,可增强 Pd 催化的芳基氯反应。利用空间和阴离子特性,这些 1,2,4-三唑-5-亚基配体提高了氧化加成的效率。基于硝基型设计和 NH 酸性基团,配体的去质子化可促进电子供给,从而增强催化作用。具有 2,6-二异丙基苯基的ATpr配体在各种反应中表现出卓越的功效,为 NHC 设计和金属催化过程提供了新的见解。