Entry

Substrate

Product

Method

Time
/min

Convb/ Yieldc/ %

1

A
B

30
8

98/95
98/96

2

A
B

25
10

96/93
97/95

3

A
B

30
10

97/94
98/96

4

A
B

35
10

94/88
95/90

5

A
B

20
5

95/92
97/93

6

A
B

25
10

99/95
99/94

7

A
B

25
5

100/97
100/96

8

A
B

20
8

99/96
98/95

9

A
B

35
10

97/94
99/96

10

A
B

30
10

92
97

11

A
B

30
8

94/90
92/85

12

A
B

45
15

97/92
96/94

aReaction conditions: substrate (1 mmol), [K+PEG.Br3 -] (1 g) at 30°C
bConversion was determined by the GC-MS
cIsolated yields
Table 1: Bromination of aromatic compoundsa.