Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 65146Generated: October 25, 2026

Ethyl Acetate → 6-(3,4-dimethoxyphenyl)-3-methyl-2,4(1H,3H)-pyrimidinedione

https://huagongshe.com/reaction/65146

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
ReactantMethylureaHCID 11719—
ReactantEthyl 3,4-dimethoxybenzoylacetateHCID 2758465—
SolventTetralinHCID 8404—
Product6-(3,4-dimethoxyphenyl)-3-methyl-2,4(1H,3H)-pyrimidinedioneHCID 1371425840.3%

Reaction Conditions

Temperature170 °C

Reaction Steps

To a solution of ethyl veratroylacetate (8.0 g) in tetralin (24 ml) was added N-methylurea (3.52 g) and the mixture was heated for an hour at 170° C. After being cooled to 95° C., ethyl acetate (33 ml) was added thereto. The precipitate was collected by filtration and washed with ethyl acetate to give 6-(3,4-dimethoxyphenyl)-3-methyl-2,4(1H,3H)-pyrimidinedione (3.35 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04612376
Source datasetuspto-grants-1986_09
ORD IDord-ac4b51625d934dca87d4af4f9d803b3c
Source noteuspto-grants-1986_09