1.1: potassium iodide / 120 - 130 °C 2.1: hydrogenchloride; water / acetonitrile / 1 h / pH 1 - 2 2.2: pH 9 - 10 3.1: hydrogenchloride / n-heptane; toluene; water / 0.5 h / 25 - 30 °C / pH 1 - 2 View Scheme

1: With potassium iodide T=120 - 130°C; 2: With hydrogenchloride; water in acetonitrile T=25 - 35°C; pH=1 - 2; 1 h; 3: With ammonia in water pH=9 - 10; Product distribution / selectivity;

1.1: potassium iodide / 120 - 130 °C 2.1: hydrogenchloride; water / acetonitrile / 1 h / pH 1 - 2 2.2: pH 9 - 10 View Scheme