trichlorophosphate 24 h; Heating;

1: 1.) sodium 2-methyl-2-propanethiolate, 2.) aq. NaOH / 1.) DMSO, 70 deg C, 20 min, 2.) DMSO 2: 97 percent / aq. HCl / 0.33 h / Heating 3: 82 percent / POCl3 / 24 h / Heating View Scheme