Fig. 5: Mechanistic studies.

a Hammett correlation study of the Ni-catalyzed cross-coupling reactions of BzO-DFs 3 and arylboronic acids 6a. b Effects of leaving group on the 7c formation. c Probing the radical mechanism. aNMR yield determined by 19F NMR with trifluorotoluene as internal standard. bIsolated yields.