sodium sulfide in methanol T=20 - 25°C; 24 h;

1: 89 percent / NaSH / methanol / 3 h / 20 - 25 °C 2: 95 percent / methanol / 30 h / 20 - 25 °C View Scheme

1: 70 percent / PCl5 / chlorobenzene / 12 h / 110 - 120 °C 2: 73 percent / NaSH / dimethylformamide; acetonitrile / 12 h / 20 - 25 °C 3: 90 percent / methanol View Scheme

(i) MeOH, (ii) aq. NaI; Multistep reaction;