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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 649304Generated: October 30, 2026

N,N-Dimethylaniline → 4H-pyran-4-one

https://huagongshe.com/reaction/649304

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN,N-DimethylanilineHCID 949—
Reactant2,2,6-Trimethyl-4H-1,3-dioxin-4-oneHCID 79368—
ReactantHCID 365127HCID 365127—
Product4H-pyran-4-oneHCID 7968—
Product2-PyridoneHCID 8871—

Reaction Steps

In addition, the reaction for obtaining an 4-pyrone compound from 2,2,6-trimethyl-1,3-dioxin-4-one has been known. That is, T. Kato et al [Chem, Pharm. Bull., 30, 1315(1982)] studied on the reaction between amides or acetoacetyl derivatives thereof and 2,2,6-trimethyl-1,3-dioxin-4-one and reported that the reaction of N-formylacetoacetamide with 2,2,6-trimethyl-1,3-dioxin-4-one in the presence of N,N-dimethylaniline gave a pyridone compound as the main product and 4-pyrone compound as the by-product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04739083
Source datasetuspto-grants-1988_04
ORD IDord-35d0be8732aa4ce7a354f5b9b963e699
Source noteuspto-grants-1988_04