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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2407825Generated: November 2, 2026

Sodium Hydroxide → 3-amino-4,5-dichloro-6-ethoxypicolinic Acid

https://huagongshe.com/reaction/2407825

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium HydroxideHCID 14798—
ReactantHCID 66989872HCID 66989872—
SolventMethanolHCID 887—
Product3-amino-4,5-dichloro-6-ethoxypicolinic AcidHCID 6698933346.5%

Reaction Steps

A solution of the compound prepared in Example 430 (0.025 g) in methanol (1 mL) was treated with sodium hydroxide (0.094 mL) and refluxed for 3 hours. This material was evaporated in vacuo and residue dissolved in water and acidified with 1 mol/L hydrochloric acid. The product was extracted with ethyl acetate, dried, and evaporated in vacuo to provide the title compound (0.011 g) with the following physical data.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08809538B2
Source datasetuspto-grants-2014_08
ORD IDord-1ccdfec4f33c4dfcb9201186734cdfbe
Source noteuspto-grants-2014_08