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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 654050Generated: October 26, 2026

4-Fluoro-3-(trifluoromethyl)aniline → 4-[N-(4-fluoro-3-trifluoromethylphenyl)sulfamoyl)benzoic acid

https://huagongshe.com/reaction/654050

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Fluoro-3-(trifluoromethyl)anilineHCID 75377—
Reactant4-(Chlorosulfonyl)benzoic acidHCID 82385—
SolventPyridineHCID 1049—
Product4-[N-(4-fluoro-3-trifluoromethylphenyl)sulfamoyl)benzoic acidHCID 3699990908.4%

Reaction Steps

Analogously to Example 10, 2.21 g (10 mmol) of 4-chlorosulfonyl-benzoic acid is reacted with 1.79 g (10 mmol) of 4-fluoro-3-(trifluoromethyl)-aniline in pyridine and the crude product is crystallized from ethanol. 3.3 g=90.84 mmol of crystalline product is obtained. Melting point 238°-241° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05130119
Source datasetuspto-grants-1992_07
ORD IDord-e0350539f1414eb2a75b9ac2d5afcda4
Source noteuspto-grants-1992_07