Table 2.
Direct Arylation of Tritylanilinesa
| |||
|---|---|---|---|
|
| |||
| entry | substrate | product | yield, % |
| 1 |
|
|
93 |
| 2 |
|
|
82 |
| 3 |
|
|
61 |
| 4 |
|
|
62 |
| 5 |
|
|
96 |
4-Methoxy-N-tritylaniline (0.2 mmol), silyl aryl bromide or iodide (0.36 mmol), CsF (0.75 mmol), solvent (2.5 mL), 110 °C, 48 h; then TFA (1.5 mL). Yields are isolated yields. See the Supporting Information for details. TFA = CF3CO2H; DME = 1,2-dimethoxyethane.