Catalytic Synthesis of -Aminonitriles Using Nano Copper Ferrite under Green Conditions

Table 2

Effect of amount of catalyst on the synthesis of 2-(4-Nitrophenyl)-2-(phenylamino)acetonitrile (4i), (optimization of the amount of nano copper ferrite (CuFe₂O₄) catalyst without AcOH).

Entry	Amount of catalyst (mg)	Reaction time	^aYield (%)
1	5	80 min	69
2	10	65 min	77
3	15	66 min	90.5
4	25	66 min	78
5	30	68 min	71

aIsolated yields.