Skip to main content

Table 4 Effect of substrate concentration on the asymmetric oxidation of MOPE in C4MIM·PF6/[ChCl][Gly]- buffer biphasic system

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

Substrate concentration (mmol/L)

Initial reaction rate (μmol/min)

Reaction time (h)

Conversiona (%)

e.e. b (%)

70.0

90.6

9.0

51.8

99.9

75.0

94.9

8.5

51.1

99.9

80.0

124.0

7.0

51.3

99.9

85.0

107.2

10.0

49.4

98.6

90.0

95.8

11.0

48.8

96.4

95.0

85.4

12.0

47.5

91.5

  1. Reaction conditions: 4 mL TEA-HCl buffer (100 mmol/L, pH 6.5); 0.3 g/mL immobilized cells; 122 mmol/L acetone; 1 mL [C4MIM][PF6]; 70–95 mmol/L MOPE; 30 °C; 220 rpm
  2. aThe maximum conversion
  3. bThe residue substrate e.e.