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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2071627Generated: November 1, 2026

Acetic Acid → HCID 12387646, compound

https://huagongshe.com/reaction/2071627

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantHCID 86734421HCID 86734421—
ProductHCID 12387646HCID 12387646—

Reaction Steps

Crude 5-amino-4-ethoxy-6-ethylamino-2-methylpyridine-3-carboxylic acid, ethyl ester is refluxed in acetic acid overnight. The solvent is distilled off and the residue, 2,5-dimethyl-7-ethoxy-3-ethyl-3H-imidazo[4,5-b]pyridine-6-carboxylic acid, ethyl ester is recrystallized from petroleum ether, m.p. 62°-65°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04048182
Source datasetuspto-grants-1977_09
ORD IDord-64e87d748ca743b7b9770914c1a29573
Source noteuspto-grants-1977_09