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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1488959Generated: October 30, 2026

Potassium Hydroxide → 2-nitro-4-fluoro-5-(4-oxo-4H-pyridin-1-yl)-aniline

https://huagongshe.com/reaction/1488959

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium HydroxideHCID 14797—
Reactant5-Chloro-4-fluoro-2-nitroanilineHCID 517835—
ReactantHCID 178418642HCID 178418642—
Product2-nitro-4-fluoro-5-(4-oxo-4H-pyridin-1-yl)-anilineHCID 2290358422.6%

Reaction Steps

First, 3.811 g of 2-nitro-4-fluoro-5-chloroaniline, 2.473 g of 4-hydroxypyridine, and 1.827 g of powdered potassium hydroxide were allowed to react at 130° C. for 3 hours in a nitrogen atmosphere in the same way as in Reference Example 1 to give 1.125 g of 2-nitro-4-fluoro-5-(4-oxo-4H-pyridin-1-yl)-aniline.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05677305
Source datasetuspto-grants-1997_10
ORD IDord-4c547b1d020a47fa802a7c274e241185
Source noteuspto-grants-1997_10