合成3-氯磺酰苯甲酰氯的新工艺

New process for the preparation of 3-chlorosulfonylbenzoyl chloride

苯甲酸作为主原料,先与氯磺酸发生氯磺化反应生成3-氯磺酰苯甲酸,再经草酰氯酰化得到目标产物3-氯磺酰苯甲酰氯,产品质量好,收率高,适合工业化,具有很好的应用前景。

Benzoic acid is used as to produce 3-chlorosulfonylbenzoic acid. chloride. The product has good quality prospects. the main raw material. First, Chlorsulfonated reaction with chlorsulfuric acid Then 3- chloridesulfonylbenzoyl chloride is obtained through acylation of oxyl and high yield, and is suitable for industrialization. It has good application