sodium in ammonia T=-75°C; 0.5 h;

1: 75.8 percent / biphenyl; diphenyl ether / 2 h / 220 - 230 °C 2: 99 percent / n NaOH / 3 h / Heating 3: 90 percent / diphenyl ether / 0.17 h / 220 °C 4: 80 percent / Na / liquid ammonia / 0.5 h / -75 °C View Scheme

1: 90 percent / diphenyl ether / 0.17 h / 220 °C 2: 80 percent / Na / liquid ammonia / 0.5 h / -75 °C View Scheme

1: 99 percent / n NaOH / 3 h / Heating 2: 90 percent / diphenyl ether / 0.17 h / 220 °C 3: 80 percent / Na / liquid ammonia / 0.5 h / -75 °C View Scheme

phosphorus pentachloride; trichlorophosphate T=90°C; 3 h;