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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1856911Generated: October 31, 2026

Hydrochloric Acid → HCID 3776843, compound

https://huagongshe.com/reaction/1856911

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantWaterHCID 962—
Reactant2,5-DimethoxybenzaldehydeHCID 66726—
Reactant6-Hydroxy-3-coumaranoneHCID 235717—
SolventMethanolHCID 887—
ProductHCID 3776843HCID 377684360.9%

Reaction Steps

After 6-hydroxy-2H-benzofuran-3-one 1 g and 2,5-dimethoxybenzaldehyde 1.23 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, water 400 ml was added 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 1.21 g.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06143779
Source datasetuspto-grants-2000_11
ORD IDord-e3b9717485c14e6cade4c21140ecb951
Source noteuspto-grants-2000_11