4-dichlorophenyl)methanesulfonyl chloride_Kain Industrial Additive

Background and overview[1] (3,4-Dichlorophenyl)methanesulfonyl chloride is an aromatic hydrocarbon derivative that can be used as a pharmaceutical synthesis intermediate. Structure Preparation method[1] The preparation of (3,4-dichlorophenyl)methanesulfonyl chloride is divided into the following steps: Step 1: Preparation of 3,4-dichlorophenylmethanesulfonic acid sodium salt To a suspension of 3,4-dichlorobenzyl chloride (0.68 mL, 5.0 mmol) in 20 mL of…