... Please enable JavaScript to use all the features on this page. Journal of Fluorine Chemistry. ... S3) in Scheme 3, exhibited signals at −62.97 (3F, s), −137.47 to −137.48 (1F, d), −140.02 to −140.03 (1F, d) (signals corresponding to two meta fluorine atoms with equal intensity ratios) thereby confirming the formation of unsymmetrical trisubstituted product in a facile manner even with poor nucleophiles such as p-nitrophenoxide. ...