The first example of benzylic C-H triflylation was accomplished with pyridine as a directing group. The reac- tion of various 2-benzylpyridines and （CF3SO2）20 in the presence of NEt3 in CH2Cl2 proceeded smoothly to afford the corresponding benzyl triflones in moderate to high yields.
Jun YangJuanjuan HuYangen HuangXiuhua XuFengling Qing
