Entry

R¹

R²

产物

产率

1

H

p-CH₃

3aa

76

2

p-CH₃

p-CH₃

3ab

72

3

p-F

p-CH₃

3ac

70

4

o-CH₃

p-CH₃

3ad

55

5

o-Cl

p-CH₃

3ae

trace

6

m-CH₃

p-CH₃

3af

56

7

H

p-OCH₃

3ba

64

8

H

p-CF₃

3bb

61

9

H

m-CH₃

3bc

58