O-Arylation of 3-phenylpropanol (1a) and phenol (1ab) by triarylsulfonium triflates in the presence of CsOH.[a] [a] Reaction conditions: 1a or 1ab (0.2 mmol), 2 (0.3 mmol), CsOH (0.3 mmol), 1,4-dioxane (2 mL), 508C, N2, 24 h. Isolated yield. [b] Toluene (2 mL) as solvent and at 808C. [c] 808C. [d] 0.4 mmol scale (1ab).