Table 1 Screening of catalysts for the hydrogenation of quinoline to tetrahydroquinoline.

From: Graphitic phosphorus coordinated single Fe atoms for hydrogenative transformations

Entry

Catalyst

Temperature (°C)

Conversion (%)

Yield (%)

1

Blank

150

0

0

2

Fe-C900-PCC

150

0

0

3

Fe-C900-PCC

200

0

0

4

Fe-N900-PCC

150

0

0

5

Fe-N900-PCC

200

8

7

6

Fe-P900-PCC

150

93

92

7a

Fe-P900-PCC

150

99

98

8

Fe@Fe-C900-PCC

150

0

0

9

Fe@Fe-N900-PCC

150

0

0

10

P900-PCC-polymer

150

0

0

11

Fe-P900-PCC-polymer

150

0

0

  1. Reaction conditions: 1 mmol quinoline, 100 mg catalyst, 2 mL heptane, 4 MPa H2, and 12 h. The conversion and yield are determined by GC using dodecane as internal standard.
  2. aReaction time is prolonged to 18 h.
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