Table 3.

The comparison of the performance of Ag@Sep-N–CH with some other catalysts.

Entry	Catalyst	Solvent	catalyst loading	Temp. (°C)	Yield (%)	References
1	Ag@Sep-N–CH	H2O:EtOH	0.03 g	50	95	This work
2	Nano-ZnO	–	10 mol%	100	Trace	21
3	Fe2(SO4)3.7H2O	–	10 mol%	120	86	35
4	Fe3O4@SiO2–SO3H	–	0.05 g	110	97	22
5	Silica-bonded S-sulfonic acid (SBSSA)	EtOH	0.03 g	Reflux	98	23
6	Nano-NiO	–	10 mol%	100	Trace	21
7	Barium Perchlorate	EtOH	15 mol%	Reflux	95	36
8	Nano titania-supported sulfonic acid (n-TSA)	–	0.013 g	90	91	21