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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2224059Generated: October 30, 2026

Water → 2-Amino-4-phenylsulfonylphenol

https://huagongshe.com/reaction/2224059

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
Reactant2-Nitro-4-phenylsulfonylphenolHCID 15933344—
CatalystPalladiumHCID 23938—
SolventEthanolHCID 702—
Product2-Amino-4-phenylsulfonylphenolHCID 1336603647.4%

Reaction Steps

4-Benzenesulfonyl-2-nitro-phenol (6.37 g, 22.8 mmol), Pd/C (5%, 3 mg) and 1 mL of water were added to a flask, after which 45 mL of EtOH was added. The reaction mixture was stirred and purged with H2 (1 Atm). The reaction mixture was stirred under H2 for 4 hours, then filtered through celite. The filtrate was concentrated in vacuo to yield a crude oil, which was purified by flash chromatography (0-15% “magic base” (6:1:0.1 methylene chloride:methanol:ammonia) in dichloromethane) to afford 2-amino-4-benzenesulfonyl-phenol (2.695 g, 39%). MS: 250 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07378415B2
Source datasetuspto-grants-2008_05
ORD IDord-d64eb76ce91e4fe4b0eb25306d090014
Source noteuspto-grants-2008_05