entry

aldehyde

yield (%)^b,c,d

1

PhCHO

82 [22]

2

p-OHC₆H₄CHO

70 [22] ^e

3

p-CH₃C₆H₄CHO

87 [22]

4

p-CH₃OC₆H₄CHO

72 [22]

5

p-BrC₆H₄CHO

81 [13]

6

p-ClC₆H₄CHO

91 [22]

7

p-FC₆H₄CHO

67 [16]

8

2,4-Cl₂C₆H₃CHO

88 [22]

9

m-ClC₆H₄CHO

80 [18]

10

m-CH₃OC₆H₄CHO

87 [22]

11

m-CH₃C₆H₄CHO

81 [22]

12

p-NO₂C₆H₄CHO

64 [13] ^f