trichlorophosphate; 2,3-dimethyl aniline

1: 87 percent / NaOH / H2O / 1) RT, 3 h; 2) reflux, 5 min 2: 91.5 percent / sulfuryl chloride / FeCl3 / acetic acid; acetic anhydride / Heating 3: 78 percent / POCl3 / dimethylaniline View Scheme

1: 91.5 percent / sulfuryl chloride / FeCl3 / acetic acid; acetic anhydride / Heating 2: 78 percent / POCl3 / dimethylaniline View Scheme

1: 68 percent / copper(I) iodide, KF, iododiazine / dimethylformamide / 10 h / 115 °C 2: 1.) n-BuLi, 2,2,6,6-tetramethylpiperidine, 2.) hexachloroethane / 1.) THF, hexane, -78 deg C, 1 h, 2.) THF, hexane, -78 deg C, 2 h View Scheme

2,2,6,6-tetramethyl-piperidine; n-butyllithium; 1,2,2-trichloro-1,1,2-trichloro-ethane 1.) THF, hexane, -78 deg C, 1 h, 2.) THF, hexane, -78 deg C, 2 h; Yield given. Multistep reaction. Yields of byproduct given;