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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 336107Generated: October 30, 2026

Deferiprone → HCID 86660356, compound

https://huagongshe.com/reaction/336107

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDeferiproneHCID 2972—
Reactant4-Nitrobenzenesulfonyl chlorideHCID 7404—
SolventPyridineHCID 1049—
ProductHCID 86660356HCID 8666035650%

Reaction Steps

3-Hydroxy-1,2-dimethylpyridin-4(1H)-one (0.2 g, 1.5 mmol) was reacted with 4-nitrobenzenesulfonyl chloride (0.488 g, 2.2 mmol) in 10 mL of pyridine to afford PZBG-3c in 50% yield (0.23 g, 0.7 mmol). 1H NMR (400 MHz, CDCl3) δ=8.41-8.34 (m, 4H), 7.26 (d, J=7.6 Hz, 1H), 6.33 (d, J=7.6 Hz, 1H), 3.67 (s, 3H), 2.53 (s, 3H). 13C NMR (100 MHz, CDCl3) 6=170.9, 150.9, 144.9, 143.2, 140.9, 140.1, 130.4, 124.0, 118.4, 41.9, 14.6. ESI-MS(+): m/z 325.11 [M+H]+, 346.96 [M+Na]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08889638B2
Source datasetuspto-grants-2014_11
ORD IDord-74f3484010724d79b3ed3868259a4dbc
Source noteuspto-grants-2014_11