Previously reported nanoscale catalytic systems based on the Ag element, applied for the conversion of the NB derivatives to their aniline analogues.

Entry	Catalyst	Condition	Cat. amounta (mg)	Time (min)	Conversion (%)	Ref.
1	Ag–Ni core/shell NPs	80 °C, KOH, IPAb	50	150	95	72
2	Ag–rGOc composite	Visible light irradiation	50	240	98	73
3	Ag–MPTA-1d composite	80 °C, NaOH, under N2	250	600	97	74
4	Ag–SBA-15e composite	NaBH4, r.t.	10	6	95	75
5	Ag–mNCf composite	NaBH4, r.t.	5	150	97	76
6	Ag–VP/CTSg composite	N2H4·H2O, 70 °C	30	5	95	—

^aPer 1.0 mmol of the NB compound.

^bIsopropyl alcohol (IPA).

^cReduced graphene oxide.

^dPoly-triallylamine (MPTA-1).

^eSBA-15 is a mesoporous silica.

^fMesoporous melamine-N-doped carbon (mNC).

^gThis work.