sodium hydroxide

sodium hydroxide; toluene-4-sulfonic acid in toluene T=40°C; var. solvents; other α-haloketones; Product distribution;

sulfuryl dichloride; triethylamine 1) CH2Cl2, CCl4, -10 deg C, 3 h, 2a) CH2Cl2, up to r.t., 2b) reflux, 2 h; Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given;