Table 2.
“Salt Free” Conditions | ||
---|---|---|
Cmpd. | C6D6 (ArF + 4FA)a |
CD3CN (ArF + 4FA) |
1 | 86 | 43 |
2 | (77 + 14) | (30 + 8) |
3 | (49 + 23) | (40 + 20) |
4 | (78 + 12) | (49 + 32) |
5 | (57 + 20) | (40 + 15) |
6 | (85 + 10) | (68 + 0) |
7 | (89 + 0) | (78 + 0) |
The numbers inside the parentheses indicate the percentage yields of the desired fluorinated arene followed by the amount of 4-fluoroanisole (4FA) produced during the reaction. All solutions were heated at 140 °C for 15 minutes in sealed NMR tubes.