Comparison results of Co-(PYT)₂@BNPs nanocatalyst with other catalysts for synthesis of 5-phenyl-1H-tetrazole.

Entry	Catalyst	Time (h)	Yield (%)	Ref.
1	CoY zeolite	14	90	37
2	Cu–Zn alloy nanopowder	10	95	55
3	B(C6F5)3	8	94	56
4	Fe3O4@SiO2/Salen Cu(ii)	7	90	57
5	Fe3O4/ZnS HNSs	24	81.1	58
6	Pd-isatin-boehmite	8	94	59
7	Mesoporous ZnS	36	86	60
8	AgNO3	5	83	61
9	CuFe2O4	12	82	62
10	Nano ZnO/Co3O4	12	90	63
11	Pd-SMTU@boehmite	2.5	95	64
12	Cu-TBA@biochar	7	98	41
13	l-cysteine-Pd@MCM-41	3	98	65
14	Ni-MP(AMP)2@Fe-biochar	3.8	92	34
15	Cu(ii)-adenine-MCM-41	5	92	66
16	Pd-Arg@boehmite	7	97	36
17	Cu-DABP@Fe3O4/MCM-41	2	99	46
18	Fe3O4@boehmite NPs	4	97	67
19	Co-(PYT)2@BNPs	2	98	This work