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Table 2 Conversions of cyclohexane and selectivities to products in different solvents

From: The highly selective oxidation of cyclohexane to cyclohexanone and cyclohexanol over VAlPO4 berlinite by oxygen under atmospheric pressure

Solvent

Conversion (%)

Selectivity (%)

KA oila

Acidsb

Estersc

CHHPd

Without

3.0

94.3

0.3

0.2

5.2

Acetic acid

6.8

97.2

1.6

0.5

0.7

IL

5.9

96.3

1.2

0.9

1.6

Acetonitrile

4.1

95.8

1.2

1.3

1.7

  1. Cyclohexane 100 mL, VAlPO4 berlinite catalyst 5 mg, acetic acid solvent 40 mL, O2 pressure 0.1 MPa, 353 K, 4 h
  2. aCyclohexanol and cyclohexanone; b C4–C6 diacids; c synthesized by the reaction of C4–C6 diacids and cyclohexanol; d cyclohexyl hydroperoxide
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BMC Chemistry

ISSN: 2661-801X

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