Comparison results of Nd-Schiff-base@BMNPs with other catalysts for synthesis of 5-phenyl-1H-tetrazole.

Entry	Catalyst	Time (h)	Yield (%)	Ref.
1	CoY zeolite	14	90	77
2	Cu–Zn alloy nanopowder	10	95	78
3	B(C6F5)3	8	94	79
4	Fe3O4@SiO2/salen Cu(ii)	7	90	80
5	Fe3O4/ZnS HNSs	24	81.1	81
6	Mesoporous ZnS	36	86	82
7	AgNO3	5	83	83
8	CuFe2O4	12	82	84
9	Nano ZnO/Co3O4	12	90	85
10	Ni–MP(AMP)2@Fe–biochar	3.8	92	47
11	Fe3O4@boehmite NPs	4	97	60
12	Nd-Schiff-base@BMNPs	3	98	This work