Room Temperature N-Arylation of 1,2,4-Triazoles under Ligand-Free Condition

Table 1

N-arylation of 1,2,4 triazoles.

Entry	Azoles	Aryl iodide	Reaction temperature/h	(Yield)^a
(1)			RT/2 h	84%
(2)			RT/2 h	91%
(3)			RT/4 h	72%
(4)			RT/4 h	56%
(5)			RT/2 h	78%
(6)			RT/4 h	60%

^aIsolated yield: 1,2,4-triazoles (3 mmol), iodobenzene (3.3 mmol), CuO nanoparticles (0.15 mmol), K₂CO₃ (3 mmol), and N–N dimethyl formamide (10 mL) at room temperature.