Hypervalent Iodine Mediated <i>para</i>-Selective Fluorination of Anilides
作者:Tian Tian、Wen-He Zhong、Shuai Meng、Xiang-Bao Meng、Zhong-Jun Li
DOI:10.1021/jo302099d
日期:2013.1.18
A metal-free method for the direct regioselective fluorination of anilides has been developed. In the presence of bis(tert-butylcarbonyloxy)iodobenzene (PhI(OPiv)(2)) and hydrogen fluoride-pyridine, the para-fluorination products of anilides were obtained in moderate to good yields. Because of its operational safety and the use of readily available reagents, this new procedure provides facile access to a variety of para-fluorinated anilides.
<i>Para</i>
‐Fluorination of Anilides Using Electrochemically Generated Hypervalent Iodoarenes
作者:Michael Berger、Marola S. Lenhard、Siegfried R. Waldvogel
DOI:10.1002/chem.202201029
日期:2022.7.20
An electrochemical transformation for the selective para-fluorination of anilides is presented. Herein, anodically generated ArIF2 mediates the conversion of a variety of 20 different anilides in up to 86 % yield. The sustainable and easy to conduct protocol in an ionic-liquid / dicholoromethane mixture represents a promising alternative to conventional reagent mediated synthesis protocol.