Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1856913Generated: October 28, 2026

Hydrochloric Acid → HCID 53732787, compound

https://huagongshe.com/reaction/1856913

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant3,4-DiethoxybenzaldehydeHCID 74847—
Reactant6-Hydroxy-3-coumaranoneHCID 235717—
SolventMethanolHCID 887—
ProductHCID 53732787HCID 53732787—

Reaction Steps

After 6-hydroxy-2H-benzofuran-3-one 1 g and 3,4-diethoxybenzaldehyde 1.58 ml were dissolved in methanol 75 ml, concentrated hydrochloric acid 50 ml was added, and the mixture was refluxed for 1.5 hours. The solution was cooled to room temperature, and precipitated crystals were filtered and dried over phosphorous pentoxide at a temperature of 60° C. for four hours under reduced pressure to obtain the desired compound 1.27 g.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06143779
Source datasetuspto-grants-2000_11
ORD IDord-97035f42187e413da45ae2f550d5aca2
Source noteuspto-grants-2000_11