Fig. 3: Pd-catalyzed migratory cyclization: substrate scope.

Reaction conditions: 1 (0.20 mmol), Pd(OAc)2 (5 mol% Pd), DPEPhos (10 mol%), CsOPiv (0.40 mmol), and DCE (1.0 mL) at 80 °C for 12 h. Isolated yield.

Reaction conditions: 1 (0.20 mmol), Pd(OAc)2 (5 mol% Pd), DPEPhos (10 mol%), CsOPiv (0.40 mmol), and DCE (1.0 mL) at 80 °C for 12 h. Isolated yield.