Ar-2Br (R2-C6H4-Br)

Ar3-siloxane

Product

Yield (%)c*

3a

94

4a

3c

90

4a

3b

99

4a

3q

98

4a

3r

96

4a

3s

98

4a

3t

99

3u

80

4b

3d

84

4b

3v

86

4b

3w

82

4b

3h

99