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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2411160Generated: November 2, 2026

3-Chloropropanesulphonyl chloride → 2,4-Bis(1,1-dioxo-1lambda6-isothiazolidin-2-yl)benzoic acid

https://huagongshe.com/reaction/2411160

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Chloropropanesulphonyl chlorideHCID 15410—
ReactantEthyl 2,4-diaminobenzoateHCID 22096618—
Product2,4-Bis(1,1-dioxo-1lambda6-isothiazolidin-2-yl)benzoic acidHCID 71252293—

Reaction Steps

Using ethyl 2,4-diaminobenzoate (2.21 g) and 3-chloropropane-1-sulfonyl chloride (4 mL) and by the reaction and treatment in the same manner as in Preparation Example 16, the title compound (1.33 g) was obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08816079B2
Source datasetuspto-grants-2014_08
ORD IDord-306ad5a852224c4b87d88f5c735fa1a6
Source noteuspto-grants-2014_08