Entry

Ar

Product

Time (min)

Yields (%)

R = CH₃/CH₃CH₂

1

C₆H₅

5a

12

75/60

2

p-H₃CC₆H₄

5b

10

78/71

3

p-H₃COC₆H₄

5c

10

93/80

4

p-ClC₆H₄

5d

8

86/74

5

p-BrC₆H₄

5e

8

94/85

6

p-FC₆H₄

5f

7

83/70

7

p-O₂NC₆H₄

5g

8

65/58

8

p-HOC₆H₄

5h

8

90/82

9

3-Pyridyl

5i

8

88/82

10

1-Naphtyl

5j

15

71/60