Effect of various solvents on the reaction time and yield of 1,4-disubstituted-1,2,3-triazole 8a upon using Cu(ii)/NP.
Entry | Solvent | Time (min) | Isolated yield 8a (%) |
---|---|---|---|
1 | H2O | 60 | 10 |
2 | EtOH | 60 | 90 |
3 | MeOH | 15 | 95 |
4 | CH2Cl2 | 120 | 25 |
5 | CH3CN | 90 | 20 |
6 | CH3OAc | 120 | 5 |
7 | THF | 90 | 80 |
8 | 1,4-Dioxane | 120 | 5 |