Unprecedented Directing Group Ability of Cyclophanes in Arene Fluorinations with Diaryliodonium Salts
作者:Joseph W. Graskemper、Bijia Wang、Linlin Qin、Kiel D. Neumann、Stephen G. DiMagno
DOI:10.1021/ol201080c
日期:2011.6.17
diaryliodonium fluorides. The 5-methoxy[2.2]paracyclophan-4-yl directing group simultaneously reduces unproductive aryne chemistry and eliminates ligand exchange reactions by a combination of steric and electronic effects. Use of the cyclophane directing group permits an unprecedented degree of control in fluorination reactions of diaryliodonium salts.