Site Selective Concerted Nucleophilic Aromatic Substitutions of Azole‐Ligated Diaryliodonium Salts
作者:Yulia A. Vlasenko、Thomas J. Kuczmera、Nikita S. Antonkin、Rashid R. Valiev、Pavel S. Postnikov、Boris J. Nachtsheim
DOI:10.1002/adsc.202201001
日期:2023.2.21
Diaryliodonium salts are electrophilic arylation reagents in transition metal-catalyzed and transition metal-free reaction methods. Herein we present the application of azole-stabilized diaryliodonium salts with additional thiophene-2-yl-ligands as substrates for metal-free nucleophilic arylations. Besides their synthesis, we demonstrate their application in chemoselective nitrations, oxygenations
二芳基碘盐是过渡金属催化和无过渡金属反应方法中的亲电芳基化试剂。在这里,我们介绍了唑稳定的二芳基碘盐与额外的噻吩-2-基配体作为无金属亲核芳基化底物的应用。除了它们的合成外,我们还展示了它们在 umpolung 条件下在化学选择性硝化、氧化、胺化和硫醇化中的应用。还讨论了基于原位形成的方便的一锅法程序。