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 |