Table 1.
Entry | Compound | R1 | R2 | R3 | Yield |
---|---|---|---|---|---|
1 | 5a | H | Cl | H | 84% |
2 | 5b | H | Br | H | 72% |
3 | 5c | Me | Cl | H | 85% |
4 | 5d | Me | Br | H | 59% |
5 | 5e | H | Cl | F | 81% |
6 | 5f | H | Br | F | 76% |
7 | 5g | H | I | F | 37% |
8 | 5h | Me | Cl | F | 65% |
9 | 5i | Me | Br | F | 85% |
10 | 5j | Me | I | F | 60% |
11 | 6a | H | Cl | – | 82% |
12 | 6b | H | Br | – | 82% |
13 | 6c | H | I | – | 80% |
14 | 6d | Me | Cl | – | 75% |
15 | 6e | Me | Br | – | 62% |
16 | 6f | Me | I | – | 93% |