Fig. 2: The substrate scope with respect to N-heterocycles.
Conditions: a TMG as base. b CuTc (10 mol%), Bphen (10 mol%). c Cu(TMHD)2 (10 mol%). no ligand. d DMSO as solvent. N.D. Not detected, Ac Acetyl, Bz Benzoyl, Bn benzyl, Boc t-Butyloxy carbonyl.
