Fig. 3: Catalytic performance for the 2,4-DNT hydrogenation reaction.
From: Fully exposed Pt clusters for efficient catalysis of multi-step hydrogenation reactions
a The possible reaction pathways for the hydrogenation of 2,4-dinitrotoluene, 2,4-DNT: 2,4-dinitrotoluene, 2A4NT:2-amino-4-nitrotoluene, 4A2NT:4-amino-2-nitrotoluene, 2,4-DAT:2,4-diaminotoluene. b Catalytic results on Ptn/ND@G in various solvents (MeOH methanol, EtOH ethanol, i-PrOH isopropanol, EtOAc ethyl acetate, THF tetrahydrofuran). Reaction conditions: 5 mg of catalyst, 1 mmol of 2,4-DNT, 10 mL of solvent,1 MPa of H2, 60 °C, and reaction time 20 min. c Catalytic performance of Pt loaded on the series of supports (G graphene, ND nanodiamond, AC active carbon). Reaction conditions: the amount of Pt to the substrate is 0.0256 mol%, 1 mmol of 2,4-DNT, 10 mL of methanol,1 MPa of H2, 25 °C, and reaction time 2 h. d TOF values of ND@G, Pt1/ND@G, Ptn/ND@G, and Ptp/ND@G. Reaction conditions: the amount of Pt to the substrate is 0.0256 mol%, 1 mmol of 2,4-DNT, 10 mL of methanol,1 MPa of H2, 25 °C, and reaction time 2 h.
