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Reactions of indole 1l with various benzyne precursors.
 | |||
|---|---|---|---|
| Entry | Benzyne Precursor | Product | % Yielda |
| 1 | R = 4,5-Me2 2b |
 |
67 |
| 2 | R = 4,5-(OMe)2 2c |
 |
87 |
| 3 | R = 4,5-F2 2d |
 |
37 |
| 4 | R = 4,5-(CH)4- 2e |
 |
67 |
| 5 | R = 3-OMe 2f |
 |
82 |
| 6 | R = 3,4-(CH)4- 2g |
 |
74 |
Isolated yields.
