Copper-Catalyzed Debenzoylative Monofluoromethylation of Aryl Iodides Assisted by the Removable (2-Pyridyl)sulfonyl Group
                                
                                    
                                        作者:Yanchuan Zhao、Chuanfa Ni、Fanzhou Jiang、Bing Gao、Xiao Shen、Jinbo Hu                                    
                                    
                                        DOI:10.1021/cs4000574
                                    
                                    
                                        日期:2013.4.5
                                    
                                    A new method for aromatic monofluoromethylation was developed. Aryl iodides can be efficiently transformed into the corresponding monofluoromethylated products by a copper-catalyzed debenzoylative fluoroalkylation with 2-PySO2CHFCOR and subsequent reductive desulfonylation. The (2-pyridyl)sulfonyl moiety plays an important role in the copper-catalyzed cross-coupling, and it can be removed easily through Bu3SnH-mediated desulfonylation.