sulfuryl dichloride in toluene T=-10 - -5°C; 0.5 h;

pyridine; tetrachloromethane; sulfur dioxide Anschliessend Behandeln des Reaktionsgemischs mit Chlor.;

tetrachloromethane; sodium hypochlorite; water Behandeln des Reaktionsgemischs mit Schwefeldioxid.;

sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride in water; benzene 4 h; Heating;

aluminium trichloride in hexane byproducts: CH4; addn. of anhydrous AlCl3 to a soln. of C4H8NSO2Cl in anhydrous n-hexane under Ar; the formed complex was filtered through glass wool and added slowly to CH3C6H4Sn(CH3)3 at -10°C; stirring at room temp. for 3 h; hydrolyzed with ice/H2O;; the separated org. layer was washed with cold H2O; addn. of CH3OH; the ppt. was filtered off and washed with cold CH3OH; recrystn. from CH2Cl2;;

pyridine T=60°C; 1.5 h; Yield given;

titanium tetrachloride 1) CH2Cl2, 30 min, 2) H2O, ice; Yield given. Multistep reaction;