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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 128236Generated: October 25, 2026

Hydrochloric Acid → Aurone

https://huagongshe.com/reaction/128236

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant3-CarboxybenzaldehydeHCID 12077—
Reactant1,4-DioxaneHCID 31275—
ProductAuroneHCID 6537099—

Reaction Steps

This product was immediately dissolved in dioxane (50 ml.), 3-carboxybenzaldehyde (4.5 g., 0.03 mole) added, followed by concentrated hydrochloric acid (10 ml) and the solution heated on a steam bath for 15 minutes. Work up was as Example 49 with recrystallisation from dimethylformamide to give the desired aurone, m.p. 280° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04259340
Source datasetuspto-grants-1981_03
ORD IDord-e9c909ec3ac1422ea0bb4da643dfa9b8
Source noteuspto-grants-1981_03