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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1856907Generated: October 30, 2026

Hydrochloric Acid → HCID 53831018, compound

https://huagongshe.com/reaction/1856907

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant6-Hydroxy-3-coumaranoneHCID 235717—
Reactant2-Amino-5-chlorobenzaldehydeHCID 2773898—
SolventMethanolHCID 887—
ProductHCID 53831018HCID 5383101874.1%

Reaction Steps

After 6-hydroxy-2H-benzofuran-3-one 1 g and 3-chloro-6-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 1.42 g.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06143779
Source datasetuspto-grants-2000_11
ORD IDord-ed2e36442f284ea3b49734ebfcc7b1e3
Source noteuspto-grants-2000_11