Bromobenzenesulfonyl chloride was obtained from 2 bromothiophenol via coupling with chloromethyl methyl ether,oxidation chlorination by chlorine water to give 76% yield of the title compound.

• 以邻溴苯硫酚为原料,经与氯甲基甲醚缩合、氯气水氧化氯化得到邻溴苯磺酰氯,总收率达76%25。