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Table 2 Effect of [C4MIM][PF6] concentration on the asymmetric oxidation of MOPE catalyzed by Acetobacter sp. CCTCC M209061 cells

From: Markedly improving asymmetric oxidation of 1-(4-methoxyphenyl) ethanol with Acetobacter sp. CCTCC M209061 cells by adding deep eutectic solvent in a two-phase system

[C4MIM][PF6] concentration (%)

Initial rate (μmol/min)

Reaction time (h)

Conversiona (%)

e.e. b (%)

12

57.3

12.5

48.0

93.4

18

67.7

12.0

49.1

97.5

20

75.0

11.0

50.7

99.9

22

68.4

11.5

49.6

99.4

25

59.3

12.0

48.5

95.1

30

50.9

13.0

47.2

90.4

  1. Reaction conditions: 5 mL different ratio [C4MIM][PF6] and TEA-HCl buffer (100 mmol/L, pH 6.5); 0.3 g/mL immobilized cells; 80 mmol/L acetone; 50 mmol/L MOPE; 30 °C; 200 rpm
  2. aThe maximum conversion
  3. bThe residue substrate e.e.