Table 3 Comparison of the performance of the current catalyst with several other catalysts in synthesis 2-amino-4,6-diphenylnicotinonitrile derivatives.

1

Yb(PFO)₃ (2.5 mol%), EtOH, reflux

240

90

³⁵

2

Nano Fe₃O₄ (30 mg), solvent‐free, 80 °C

120

90

²⁶

3

CoFe₂O₄@TRIS@ sulfated boric acid (5 mg), Solvent-free, 90 °C

35

90

²¹

4

Cu@imineZCMNPs, solvent-free, 80 °C

18

92

¹⁷

5

Bu₄N⁺Br⁻ (10 mol%), H₂O, reflux

120

92

¹⁸

6

GO (10), H₂O, 80 °C

350

96

³⁶

7

Fe₃O₄@TiO₂@O₂PO₂(CH2)NHSO₃H, solvent‐free, 90 °C

20

90

²⁹

8

Mn@PMO-IL nanocatalyst, solvent free, 80 °C

15–100

55–95

³⁷

9

Cellulose–SO₃H (0.05 mmol), water, 60 °C

150

96

³⁸

10

LDH@TRMS@NH₂SO₂(C₂H₄)SO₂NH₂@nano copper, solvent‐free, 60 °C

8

92

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