1: 14.9 g / 10percent NaOH / H2O / 0.5 h 2: 100 percent / tetrabutylammonium bromide; K2CO3 / dimethylformamide / 20 °C 3: 63 percent / potassium tert-butoxide / dimethylsulfoxide / 0.67 h / 20 °C View Scheme

10percent NaOH in water Hydrolysis; 0.5 h;