N, N-Bis [(benzotriazol-1-yl) methyl] benzylamines and N, N-bis [(benzotriazol-1-yl) methyl](p- N', N'-dimethylphenyl) amine on reaction with allyltrimethylsilanes yielded substituted piperidines. Other N, N-bis [(benzotriazol-1-yl) methyl] anilines (unsubstituted and p-CH3,