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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2411147Generated: October 31, 2026

3-Chloropropanesulphonyl chloride → 4-(1,1-Dioxo-1lambda6-isothiazolidin-2-yl)-2-fluorobenzoic acid

https://huagongshe.com/reaction/2411147

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Chloropropanesulphonyl chlorideHCID 15410—
ReactantMethyl 4-amino-2-fluorobenzoateHCID 21957875—
Product4-(1,1-Dioxo-1lambda6-isothiazolidin-2-yl)-2-fluorobenzoic acidHCID 71252861—

Reaction Steps

Using methyl 4-amino-2-fluorobenzoate (1.02 g) and 3-chloropropane-1-sulfonyl chloride (0.97 mL) and by the reaction and treatment in the same manner as in Preparation Example 16, the title compound (1.09 g) was obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08816079B2
Source datasetuspto-grants-2014_08
ORD IDord-873014ac9eff437f97dc5758132085ad
Source noteuspto-grants-2014_08