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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 450449Generated: October 26, 2026

Ammonium Chloride → 5-Chloro-4-(2-chloropyridin-4-yloxy)-2-fluorobenzenamine

https://huagongshe.com/reaction/450449

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmonium ChlorideHCID 25517—
Reactant2-Chloro-4-(2-chloro-5-fluoro-4-nitrophenoxy)pyridineHCID 86641687—
CatalystZincHCID 23994—
SolventMethanolHCID 887—
SolventTetrahydrofuranHCID 8028—
Product5-Chloro-4-(2-chloropyridin-4-yloxy)-2-fluorobenzenamineHCID 86641688100%

Reaction Steps

2-Chloro-4-(2-chloro-5-fluoro-4-nitrophenoxy)pyridine (1.306 g, 4.31 mmol) was dissolved in THF (108 ml) and MeOH (108 ml). Ammonium chloride (2.305 g, 43.1 mmol) was then added, followed by zinc dust (2.82 g, 43.1 mmol). The reaction mixture was stirred for 1 hour at RT. The solids were filtered over Celite® and the solution was concentrated under reduced pressure to yield 5-chloro-4-(2-chloropyridin-4-yloxy)-2-fluorobenzenamine as a brown solid which was used without purification assuming a 100% yield. MS (ESI) m/z: 273.0 (M+H+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08486951B2
Source datasetuspto-grants-2013_07
ORD IDord-78e35fe3c9dd441ba593b45ae2ac2e99
Source noteuspto-grants-2013_07