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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1856908Generated: October 30, 2026

Hydrochloric Acid → HCID 54470793, compound

https://huagongshe.com/reaction/1856908

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant6-Hydroxy-3-coumaranoneHCID 235717—
Reactant4-Amino-3-chlorobenzaldehydeHCID 13297793—
SolventMethanolHCID 887—
ProductHCID 54470793HCID 5447079391.3%

Reaction Steps

After 6-hydroxy-2H-benzofuran-3-one 1 g and 3-chloro-4-aminobenzaldehyde 1.24 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 five hours under reduced pressure to obtain the desired compound 1.75 g.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06143779
Source datasetuspto-grants-2000_11
ORD IDord-fe3ce813370f4afaa58b335c7cf54d54
Source noteuspto-grants-2000_11