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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1786200Generated: October 31, 2026

Dichloromethane → HCID 28940100, compound

https://huagongshe.com/reaction/1786200

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantEthyl bromoacetateHCID 7748—
ReactantSodium hydrideHCID 24758—
Reactant1-Ethyl-2,3-piperazinedioneHCID 108812—
SolventMethanolHCID 887—
ProductHCID 28940100HCID 2894010072%

Reaction Steps

As described for example 119a, 1-ethyl-piperazine-2,3-dione was reacted with sodium hydride followed by reaction with ethyl bromoacetate. Aqueous workup followed by chromatography (SiO2, dichloromethane:methanol=100:0 to 94:4) afforded the title compound as a light yellow oil (yield: 72%). MS: m/e=229.4 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07507729B2
Source datasetuspto-grants-2009_03
ORD IDord-a32ab292fd514910b7c2ce46dfbb02cb
Source noteuspto-grants-2009_03