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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1746686Generated: October 31, 2026

Ethyl 4-(4-nitrophenylsulfonyl)butanoate → Ethyl 4-(4-aminophenylsulfonyl)butanoate

https://huagongshe.com/reaction/1746686

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 4-(4-nitrophenylsulfonyl)butanoateHCID 59446990—
CatalystPalladiumHCID 23938—
SolventEthanolHCID 702—
ProductEthyl 4-(4-aminophenylsulfonyl)butanoateHCID 5944698498.9%

Reaction Steps

A solution of ethyl 4-(4-nitrophenylsulfonyl)butanoate (Intermediate 47, 4.5 g; 14.9 mmol) in ethanol (200 ml) was treated with palladium (450 mg, 5% on C). The mixture was stirred under hydrogen for 18 hours, filtered and the solvent removed in vacuo to give the title compound as an off-white solid (4.0 g, quant).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09150519B2
Source datasetuspto-grants-2015_10
ORD IDord-1872a812c3734be39c263b3abb4eebf4
Source noteuspto-grants-2015_10