Fig. 2: Substrate scope alcohols with 1a.

All reactions were conducted with 1a (0.2 mmol), 2 (0.4 mmol), KOtBu (0.4 mmol) in DME (0.4 mL) under argon atmosphere at 110 °C for 12 h.

All reactions were conducted with 1a (0.2 mmol), 2 (0.4 mmol), KOtBu (0.4 mmol) in DME (0.4 mL) under argon atmosphere at 110 °C for 12 h.