Table 14.
Entry | R1 | R2 | X | Pd cat (mol%) |
Heat source |
t/min | Yield (%) |
---|---|---|---|---|---|---|---|
1 | Me | 4-MeC(O) | Br | Pd(OAc)2 (0.5) | µW | 10 | 97 |
2 | Et | 4-MeC(O) | Br | 24 (0.5) | µW | 10 | 90 |
3 | Me | 4-MeC(O) | Br | 24 (0.1)a | µW | 10 | 99 |
4 | Me | 4-MeO | I | 24 (0.1) | µW | 10 | 93 |
5 | Me | 4-MeO | I | 24 (0.01)a | Δ | 240 | 89 |
6 | Me | 3,5-(MeO)2 | I | Pd(OAc)2 (0.1)a | µW | 15 | 83 |
7 | Me | 4-MeO | Br | 24 (1)a | µW | 10 | 97 |
8 | Me | b | Br | 24 (1)a | µW | 20 | 92 |
9 | Me | 4-Cl | Br | 24 (1)a | µW | 15 | 71 |
10 | Me | c | Br | Pd(OAc)2 (0.5)d | Δ | e | 89 |
11 | Me | c | Br | Pd(OAc)2 (0.5)a | µW | 10 | 89 |
12 | Me | f | Br | 24 (1)a | µW | 15 | 97 |
13 | Me | 4-MeC(O) | Cl | 24 (2)a | µW | 25 | 71 |
14 | Me | 4-PhC(O) | Cl | 24 (2)a | µW | 25 | 65 |
TBAB (25 mol%) added.
1-Bromonaphthalene.
2-Bromo-6-methoxynaphthalene.
TBAB (200 mol%).
1 day.
3-Bromopyridine.