Table 3.
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Conditions: Substrate 1 (0.1 mmol), Pd(OAc)2 (10 mol %), AgOAc (0.2 mmol), Ar–I (0.15 mmol), 2-picoline (20 mol%), HFIP (1.0 mL), 75 °C, 24 h.
Isolated yields are shown.
Ar–I (0.3 mmol).
After C–H activation, the reaction mixture was subjected to PhI(OAc)2 (0.1 mmol), MeOH (1 mL), 80 °C, 3 h. Yields for two steps.