Fig. 4: 1,4-Diarylation of arylether tethered naphthalene 11.

Reaction conditions: 11 (0.2 mmol), Pd(dba)2 (0.01 mmol), L5 (0.02 mmol), Ph4BNa (0.2 mmol), KF (0.5 mmol), toluene (2 mL), 140 °C, 16 h, isolated yield.
Reaction conditions: 11 (0.2 mmol), Pd(dba)2 (0.01 mmol), L5 (0.02 mmol), Ph4BNa (0.2 mmol), KF (0.5 mmol), toluene (2 mL), 140 °C, 16 h, isolated yield.