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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 703420Generated: October 31, 2026

Urea → HCID 287116, compound

https://huagongshe.com/reaction/703420

Reaction equation

Participants

RoleNameHCIDCharge
ReactantUreaHCID 1176—
ReactantSodiumHCID 5360545—
Reactant3-Ethylpyridine-2-carboxylic acidHCID 17841857—
SolventAmmoniaHCID 222—
ProductHCID 287116HCID 287116—

Reaction Steps

A mixture of sodium (0.23 g, 10 mmol), urea (0.8 g, 13.3 mmol) and liquid ammonia (40 ml) was stirred until the blue colour was discharged, then ethyl 2-pyridinecarboxylic acid (2.85 g, 18.8 mmol) was added all at once. After 1 h the ammonia was evaporated and the residue triturated with water to give the above compound, mp 183°-185° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04983600
Source datasetuspto-grants-1991_01
ORD IDord-3e0b9a596cdb4a36901c358a1ff6512f
Source noteuspto-grants-1991_01