(4-chlorophenyl)methanesulfonamide

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 5.2.21 Ethyl 2-(4-(4-chlorobenzylsulfonylimino)-1-oxo-1,4-dihydronaphthalen-2-ylthio)-acetate (8g) was prepared according to the procedure for 8a except using (4-chlorophenyl)methanesulfonamide, TiCl4.2THF and THF as solvent. The title compound 130 mg (56%) was obtained according to the workup procedure for 12a as a yellow solid, m.p.: ° C.