Entry

Cat. (mol%)

T ˚C

Time (min)

Yields^b (%)

1

[BEIM][HSO₄] (20)

130

30

70

2

[CO₂EIM][HSO₄] (20)

130

30

82

3

[DCO₂IM][CF₃COO] (20)

130

30

84

4

[DC₂O₂IM][p-CH₃Ph,SO₃] (20)

130

30

85

5

[DC₂O₂IM][HSO₄] (20)

130

30

89

6

[DC₂O₂IM][HSO₄] (10)

130

30

80

7

[DC₂O₂IM][HSO₄] (30)

130

30

74

8

[DC₂O₂IM][HSO₄] (20)

80

30

78

9

[DC₂O₂IM][HSO₄] (20)

90

30

94

10

[DC₂O₂IM][HSO₄] (20)

100

30

93

11

[DC₂O₂IM][HSO₄] (20)

90

10

96

12

[DC₂O₂IM][HSO₄] (20)

90

20

94

13

[DC₂O₂IM][HSO₄] (20)

90

40

82