1: 1.) Zn, HgCl2, conc. aq. HCl, 2.) aq. NaOH / 1.) reflux, 20 h, 2.) reflux, 12 h 2: PCl3 / chlorobenzene / 0.25 h / Heating 3: chlorobenzene / 3 h / Heating View Scheme

1: PCl3 / chlorobenzene / 0.25 h / Heating 2: chlorobenzene / 3 h / Heating View Scheme

1: 91 percent / aluminum chloride / CS2 / 12 h 2: 1.) Zn, HgCl2, conc. aq. HCl, 2.) aq. NaOH / 1.) reflux, 20 h, 2.) reflux, 12 h 3: PCl3 / chlorobenzene / 0.25 h / Heating 4: chlorobenzene / 3 h / Heating View Scheme

in chlorobenzene 3 h; Heating;