1: 40percent aq. NaOH / benzyltriethylammonium chloride / benzene / 0.75 h / Ambient temperature 2: K2CO3 / benzyltriethylammonium chloride / benzene / 3 h / Heating View Scheme

1: 40percent aq. NaOH / benzyltriethylammonium chloride / benzene / 0.75 h / Ambient temperature 2: K2CO3 / benzyltriethylammonium chloride / benzene / 3 h / Heating View Scheme

potassium carbonate; N-benzyl-N,N,N-triethylammonium chloride in benzene 3 h; Heating; Yield given;