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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1634209Generated: November 1, 2026

Ammonia → HCID 18677496, compound

https://huagongshe.com/reaction/1634209

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
Reactant4-Pyridinecarboxylic acid, 2,6-diamino-, methyl esterHCID 11194547—
SolventMethanolHCID 887—
ProductHCID 18677496HCID 18677496—

Reaction Conditions

Temperature62 °C

Reaction Steps

A solution of 3.9 g (20 mmol) 2,6-diamino-isonicotinic acid methyl ester in 200 ml methanol was treated for 1 at 0° C. with gaseous ammonia. The mixture was heated for 36 h at 62° C. in an autoclave (4 bar) and afterwards filtered through decalite and evaporated to dryness. 3.5 g (quant.) of the title compound was obtained as a yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06506772B1
Source datasetuspto-grants-2003_01
ORD IDord-7a75bdbc53aa49ee9cb3ffb772f29118
Source noteuspto-grants-2003_01