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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2166881Generated: November 2, 2026

Malonic Acid → HCID 12854470, compound

https://huagongshe.com/reaction/2166881

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMalonic AcidHCID 867—
Reactant4-Hydroxyquinoline-3-carbaldehydeHCID 348137—
SolventPyridineHCID 1049—
ProductHCID 12854470HCID 12854470—

Reaction Steps

A solution of 3-formyl-4(1H)-quinolone (6 g) from Example 33 and malonic acid (18 g) in pyridine (300 ml) was heated on a steam bath for four hours. The reaction mixture was then evaporated down and the residue washed thoroughly with water. Recrystallisation from DMF/H2O gave the title compound, m.p. 242°-244° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04390541
Source datasetuspto-grants-1983_06
ORD IDord-b1d7bbfd3697421e834850a5ddb59aa5
Source noteuspto-grants-1983_06