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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2271060Generated: November 2, 2026

Ethyl 4-chloroacetoacetate → HCID 86585189, compound

https://huagongshe.com/reaction/2271060

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 4-chloroacetoacetateHCID 69484—
ReactantHCID 289466HCID 289466—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 86585189HCID 8658518938.5%

Reaction Steps

A mixture of 3,4,5-trimethoxyphenylurea (400 mg) and ethyl-4-chloroacetoacetate (350 mg) in dioxane (0.8 ml) is heated at reflux for 4 hours. After one hour at 25° C. the precipitate is recovered by filtration and recrystallized from methanol (3 ml), to give 210 mg of product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06333346B1
Source datasetuspto-grants-2001_12
ORD IDord-c27a576339d14f0583a32cf5168799b7
Source noteuspto-grants-2001_12