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

Table 4: Comparison of catalytic activity of (111) facet CuO nanoparticle.


Entry	Product	Temperature/time (h)	Synthesized CuO nano (yield %)^a	Commercial CuO nano (yield %)^b	CuO bulk powder (yield %)^c

1		RT/2 h	84%	45%	No reaction

2		RT/2 h	91%	52%	No reaction

3		Refluxed temperature/3 h	97%	40%	12%

4		Refluxed temperature/3 h	98%	48%	15%

5		Refluxed temperature/3 h	86%	40%	10%

6		Refluxed temperature/3 h	83%	40%	12%

^a,b,cIsolated yield.