tetraphosphorus decasulfide; sodium hydrogencarbonate in acetonitrile T=30°C; 4 h;

1.1: 83 percent / triethylamine / tetrahydrofuran 2.1: magnesium / tetrahydrofuran / 3.5 h / 30 °C 2.2: 67 percent / tetrahydrofuran / 0.25 h / 0 °C 3.1: 67 percent / Lawesson's reagent / CHCl3 / 12 h / Heating View Scheme

1.1: magnesium / tetrahydrofuran / 3.5 h / 30 °C 1.2: 67 percent / tetrahydrofuran / 0.25 h / 0 °C 2.1: 67 percent / Lawesson's reagent / CHCl3 / 12 h / Heating View Scheme

carbon disulfide; diphosphorus pentasulfide

zinc T=400°C;

3-chloro-benzenecarboperoxoic acid in dichloromethane T=20°C; 0.0833333 h; Inert atmosphere;