Table 2 Chemoselective hydrogenation of 3-nitrostyrene over Pt1/Fe2O3-T catalysts

From: Unraveling the coordination structure-performance relationship in Pt1/Fe2O3 single-atom catalyst

Catalyst

Time (min)

Conv. (%)

Sel. (%)

TOF (molconv. h−1 molPt−1)

Fe2O3

240

–

–

–

Pt1/FeOOH-RT

300

–

–

–

Pt1/Fe2O3-500

140

95.6

95.1

491

Pt1/Fe2O3-525

50

96.4

98.1

1411

Pt1/Fe2O3-550

45

95.6

97.1

1531

Pt1/Fe2O3-575

20

97.3

96.2

3346

Pt1/Fe2O3-600

18

98.9

98.0

3809

Pt1/Fe2O3-600a

6

97.2

96.2

21,099

Pt/Fe2O3-600-10 min

23

97.8

63.1

–

  1. Pre-treatment condition: 5 mL toluene, 10 bar H2, 40 °C, 1 h. Reaction conditions: 40 °C, 3 bar H2, 10 mg catalyst and 90 mg Fe2O3. Five-milliliter reaction mixture: 0.5 mmol substrate, toluene as solvent, o-xylene as internal standard
  2. a60 °C, 10 bar H2, 5 mg catalyst, and 95 mg Fe2O3