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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1703951Generated: November 3, 2026

Sodium Hydroxide → Piromidic Acid

https://huagongshe.com/reaction/1703951

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium HydroxideHCID 14798—
ReactantEthyl 8-ethyl-5,8-dihydro-5-oxo-2-(pyrrolidinyl)pyrido(2,3-d)pyrimidine-6-carboxylateHCID 118556—
ReactantHCID 13052389HCID 13052389—
SolventWaterHCID 962—
ProductPiromidic AcidHCID 4855—

Reaction Steps

Saponification of this ester (5.5 g) under reflux in an alkaline solution (NaOH: 0.8 g / water: 40 cm3) gives, after acidification, the corresponding acid (pyromidic acid, melting point 322° C), which is identical to the product described in the literature.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04125720
Source datasetuspto-grants-1978_11
ORD IDord-c5adcf6e4a9941d98a5a6d24bc00ca79
Source noteuspto-grants-1978_11