Table 3. Comparative Catalytic Performance of the Cu(II)-Fur-APTES/GO Nanocatalyst with Other Previously Reported Catalysts.
| entry | name of catalyst | amount of catalyst | time/yield (%) | solvent/condition | refs |
|---|---|---|---|---|---|
| 1 | Fe3O4@SiO2-imid-PMAn | 30 mg | 1.5 h/94 | EtOH/reflux | (57) |
| 2 | [bmim]HSO4 | 100 mg | 3 h/85 | solvent free/80 °C | (58) |
| 3 | Fe3+-montmorillonite | 85 mg | 6 h/94 | EtOH/100 °C | (14) |
| 4 | boric acid | 0.5 mol % | 20 min/98 | solvent free/120 °C | (59) |
| 5 | Zr(DP)2 | 10 mol % | 24 h/98 | EtOH/reflux | (60) |
| 6 | CuO NPs | 7 mg | 14 min/89 | solvent free/100 °C | (61) |
| 7 | CaCl2 | 20 mol % | 4 h/85 | DMSO/85–90 °C | (62) |
| 8 | SO42–/ZrO2 | 15 wt % | 8 h/95 | EtOH/70 °C | (63) |
| 9 | p-sulfonic acid calix[4]arene | 1.5 mol % | 35 min/97 | EtOH/80 °C | (64) |
| 10 | SBSSA | 30 mg | 10 h/98 | EtOH/reflux | (65) |
| 11 | ZnO–CH3COCl | 30 mol % | 5 h/86 | CH3CN/reflux | (66) |
| 12 | Cu(II)-Fur-APTES/GO | 20 mg | 30 min/95 | H2O/EtOH (1:1) | present work |