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

Table 3

Synthesis of 2-(4-Nitrophenyl)-2-(phenylamino)acetonitrile (4i) in the presence of (nano copper ferrite (CuFe₂O₄) catalyst with AcOH) and various solvents at room temperature (solvent optimization).

Entry	Solvent	^aYield (%)
1	H2O	98
2	C2H5OH	59
3	DMF	81
4	DMSO	80
5	CHCl3	77
6	C6H5CH3	79
7	CH3OH	72
8	CH2Cl2	78
9	CCl4	83
10	C6H6	76
11	n-Hexane	69

aIsolated yields.