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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2202336Generated: November 1, 2026

4-Aminobenzoic Acid → 4-(Quinoline-8-sulfonamido)benzoic acid

https://huagongshe.com/reaction/2202336

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Aminobenzoic AcidHCID 978—
ReactantPyridineHCID 1049—
Reactant8-Quinolinesulfonyl chlorideHCID 29220—
SolventTetrahydrofuranHCID 8028—
Product4-(Quinoline-8-sulfonamido)benzoic acidHCID 77664558.4%

Reaction Conditions

Temperature70 °C

Reaction Steps

To a solution of 4-aminobenzoic acid (10 g, 73 mmol) in 100 mL of anhydrous THF was added pyridine (1.15 g, 146 mmol), and quinoline-8-sulfonyl chloride (20 g, 88 mmol) at 0° C. The resulting mixture was stirred at 70° C. overnight. After filtration, the residue was washed with EtOH and 14 g of title compound was obtained as pure product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09365545B2
Source datasetuspto-grants-2016_06
ORD IDord-9aa1b517287b42fcba8d45bd5b180c63
Source noteuspto-grants-2016_06