tetraphosphorus decasulfide; sodium hydrogencarbonate in toluene 1 h; Heating / reflux;

(NH4)2S; C6(mim)2Cl2 T=70°C; 0.0833333 h;

(NH4)2S; CF3O3S(1-)*Cl3Ti(1+); [N-butylthiazolium][Br] T=80°C; 3.2 h; Ionic liquid; chemoselective reaction;

1: ammonia / water / 20 °C / |Green chemistry 2: iodine / water / 20 °C / |Green chemistry 3: ammonia / water / 20 °C / |Green chemistry 4: water / 90 °C / |Green chemistry 5: water / 90 °C / |Green chemistry View Scheme

in ethanol 48 h; Heating / reflux;