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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 652757Generated: November 2, 2026

Thionyl Chloride → 2-Methoxy-3-isopropyl-5-sulphamoyl-6-methylbenzoyl chloride

https://huagongshe.com/reaction/652757

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactant2-Methoxy-3-isopropyl-5-sulphamoyl-6-methylbenzoic acidHCID 20196838—
CatalystDimethylformamideHCID 6228—
SolventChloroformHCID 6212—
Product2-Methoxy-3-isopropyl-5-sulphamoyl-6-methylbenzoyl chlorideHCID 20196820—

Reaction Steps

72 g of 2-methoxy-3-isopropyl-5-sulphamoyl-6-methylbenzoic acid (0.25 mole), 250 ml of chloroform, 23 ml of thionyl chloride and 3 drops of dimethylformamide are placed in a 1 liter flask fitted with an agitator and a condenser. The mixture is heated to reflux for 1.5 hours, then 18 ml of thionyl chloride is added and the reflux is continued for 1.5 hours. The solids dissolve completely.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04673686
Source datasetuspto-grants-1987_06
ORD IDord-d2d56191e7bf4e59bfa653ea03ba0440
Source noteuspto-grants-1987_06