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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1633908Generated: October 30, 2026

4-Nitrobenzenesulfonyl chloride → N-butyl-4-nitrobenzenesulfonamide

https://huagongshe.com/reaction/1633908

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Nitrobenzenesulfonyl chlorideHCID 7404—
ReactantButylamineHCID 8007—
Catalyst4-(Dimethylamino)pyridineHCID 14284—
SolventTetrahydrofuranHCID 8028—
ProductN-butyl-4-nitrobenzenesulfonamideHCID 157795786.3%

Reaction Steps

4-Nitrophenylsulfonyl chloride (3.0 g, 13.5 mmol) was dissolved in THF and a catalytic amount of 4-dimethylaminopyridine and 1-butylamine (4.0 mL, 41 mmol) was added and the mixture was refluxed for 16 hours. The mixture was concentrated in vacuo and the residue was dissolved in ethyl acetate (100 mL) and washed with water (50 mL) and a 10% aqueous solution of sodium hydrogen carbonate (50 mL). The organic phase was dried (MgSO4) and concentrated in vacuo to afford 3.01 g (86%) of N-butyl-4-nitrobenzenesulfonamide as a solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06503949B1
Source datasetuspto-grants-2003_01
ORD IDord-e78b9de2f3d84ac39232b87cce4149eb
Source noteuspto-grants-2003_01