Table 1 Oxidation of 1-phenylethane-1,2-diol promoted by different catalysts

From: Aerobic oxidative cleavage of 1,2-diols catalyzed by atomic-scale cobalt-based heterogeneous catalyst

Entry

Catalysts

Conv. (%)a

Yield (%)b

1

–

–

–

2

VB12

24

–

3

meso-Co-NC-1000

75

72

4

meso-Co-NC-900

98

90

5

meso-Co-NC-800

100

96

6

meso-Co-NC-700

93

78

7

meso-Co-NC-600

71

43

8

meso-NC-800

–

–

9c

meso-Co-NC-800

–

–

10d

meso-Co-NC-800

–

–

11e

VB12@SiO2-800

39

15

  1. Reaction conditions: 1-phenylethane-1,2-diol (0.25 mmol), K2CO3 (20 mol%), MeOH (4 mL), catalyst (5 mol%), 80 °C, 24 h
  2. aDetermined by LC analysis using biphenyl as internal standard
  3. bDetermined by GC analysis using biphenyl as internal standard and the product was confirmed by GC-MS
  4. c0.1 MP N2
  5. dWithout K2CO3
  6. eNot washed with HF
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