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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1738830Generated: November 1, 2026

Formamide → 4-Hydroxypyrido (2,3-d)pyrimidine

https://huagongshe.com/reaction/1738830

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormamideHCID 713—
Reactant2-Aminonicotinic acidHCID 72930—
Product4-Hydroxypyrido (2,3-d)pyrimidineHCID 13544027770%

Reaction Steps

2-aminonicotinic acid (1.381 g, 10 mM) and formamide (2.70 g, 60 mM) are heated at 165-170° C. for 2 h by means of an oil bath. The reaction mixture is cooled and the resulting solid recrystallized from water to give about 1.030 g of title compound (70% yield). mp 255-8° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05965563
Source datasetuspto-grants-1999_10
ORD IDord-a2678cf1bc04472cbc6cbfdcee137d79
Source noteuspto-grants-1999_10