Lawesson's reagent in toluene 4 h; Heating;

1: 1.) hexamine, 2.) conc. HCl / 1.) CCl4, reflux, 5 h, ethanol, water, 5 h, reflux 2: 40 percent / 10percent aq. NaOH / 2 h 3: 91 percent / Lawesson's reagent / toluene / 4 h / Heating View Scheme

1: 40 percent / 10percent aq. NaOH / 2 h 2: 91 percent / Lawesson's reagent / toluene / 4 h / Heating View Scheme