Substrate scopea.
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Reaction conditions: 1 (0.2 mmol), 2a (2.0 equiv.), Pd(OAc)2 (10 mol%), DPEPhos (12 mol%), K2CO3 (3.0 equiv.), 4 Å MS (100 mg) and DCE (3.0 mL) at 120 °C for 12 h under a N2 atmosphere. Isolated yield. NR = no reaction.
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Reaction conditions: 1 (0.2 mmol), 2a (2.0 equiv.), Pd(OAc)2 (10 mol%), DPEPhos (12 mol%), K2CO3 (3.0 equiv.), 4 Å MS (100 mg) and DCE (3.0 mL) at 120 °C for 12 h under a N2 atmosphere. Isolated yield. NR = no reaction.