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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1856914Generated: November 1, 2026

Hydrochloric Acid → HCID 1178189, compound

https://huagongshe.com/reaction/1856914

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant4-Ethoxy-3-methoxybenzaldehydeHCID 67116—
Reactant6-Hydroxy-3-coumaranoneHCID 235717—
SolventMethanolHCID 887—
ProductHCID 1178189HCID 117818974.5%

Reaction Steps

After 6-hydroxy-2H-benzofuran-3-one 1 g and 3-methoxy-4-ethoxybenzaldehyde 1.33 g 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 1.55 g.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06143779
Source datasetuspto-grants-2000_11
ORD IDord-37efb560f2084ddf815ab89599b02735
Source noteuspto-grants-2000_11