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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2285447Generated: October 29, 2026

Acetic Acid → Maltol

https://huagongshe.com/reaction/2285447

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
Reactant4-chloro-6-methoxy-2-methyl-2H-pyran-3(6H)-oneHCID 325121—
ProductMaltolHCID 836965%

Reaction Steps

To a round bottom flask equipped with a stirring bar and a condenser was added 4-chloro-6-methoxy-2-methyl-2H-pyran-3(6H)-one and acetic acid and the reaction mixture heated to reflux for an hour. Maltol (65%) was obtained on cooling.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04323506
Source datasetuspto-grants-1982_04
ORD IDord-a0ab4f6505474df88b8544c4ebd8c5cf
Source noteuspto-grants-1982_04