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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1916674Generated: November 1, 2026

Stannous Chloride → 2-Bromo-5-(4-chloro-phenyl)-pyridin-3-ylamine

https://huagongshe.com/reaction/1916674

Reaction equation

Participants

RoleNameHCIDCharge
ReactantStannous ChlorideHCID 24479—
ReactantSodium BicarbonateHCID 516892—
Reactant2-Bromo-5-(4-chlorophenyl)-3-nitropyridineHCID 85969699—
SolventEthyl AcetateHCID 8857—
Product2-Bromo-5-(4-chloro-phenyl)-pyridin-3-ylamineHCID 85969704—

Reaction Steps

A solution of 5.60 g (17.9 mmol) 2-bromo-5-(4-chloro-phenyl)-3-nitro-pyridine, 20.3 g (90.0 mmol) tin(II)-chloride and 18.9 g (225 mmol) NaHCO3 in 300 mL EtOAc is refluxed for 30 h. After filtration the solvent is eliminated i.vac. The residue is triturated with DCM and after filtration the filter residue is dried in the air.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08618132B2
Source datasetuspto-grants-2013_12
ORD IDord-b841da7b84814a379a6b0c6a8e1534bf
Source noteuspto-grants-2013_12