sodium hydrogencarbonate; methanesulfonyl chloride; triethylamine; 3-chloro-benzenecarboperoxoic acid 1.) dichloromethane, 0 deg C, 1 h; room temperature, 24 h, 2.) 0 deg C, 1.5 h; Yield given. Multistep reaction. Yields of byproduct given;

N-bromosuccinmide; tributyl-amine; 2,6-di-tert-butyl-4-methyl-phenol; hydrogen; palladium on activated charcoal Yield given. Multistep reaction;