trichlorophosphate 1 h; Heating;

1: 89 percent / m-chloroperoxybenzoic acid / benzene / 1.) 15 deg C, 15 min, 2.) 60 deg C, 10 h 2: 1.) SO2Cl2, 2.) 10percent NaOH / 1.) reflux, 10 h, 2.) H2O, 0 deg C, 2 h View Scheme

2: 89 percent / m-chloroperoxybenzoic acid / benzene / 1.) 15 deg C, 15 min, 2.) 60 deg C, 10 h 3: 1.) SO2Cl2, 2.) 10percent NaOH / 1.) reflux, 10 h, 2.) H2O, 0 deg C, 2 h View Scheme

sodium hydroxide; sulfuryl dichloride 1.) reflux, 10 h, 2.) H2O, 0 deg C, 2 h; Yield given. Multistep reaction. Yields of byproduct given;