Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2188780Generated: October 30, 2026

Barbituric Acid → HCID 136122890, compound

https://huagongshe.com/reaction/2188780

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBarbituric AcidHCID 6211—
ReactantEthyl isocyanatoacetateHCID 76283—
ReactantDiisopropylethylamineHCID 81531—
SolventDimethylformamideHCID 6228—
SolventDichloromethaneHCID 6344—
ProductHCID 136122890HCID 13612289022%

Reaction Steps

Barbituric acid (512 mg, 4 mmol) was dissolved in a mixture of dichloromethane (3 mL) and DMF (5 mL). N,N-Diisopropylethylamine (2 mL) was added followed by ethyl isocyanatoacetate (645 mg, 5 mmol) and the solution was stirred overnight. After evaporation of all volatiles, the residue was re-dissolved in a mixture of ethanol (5 mL) and 1M aqueous NaOH (5 mL). After stirring at room temperature for one hour, this solution was neutralized by addition of 1M aqueous HCl. The resulting solid was collected, washed with water, and dried under vacuum overnight to give the title compound (202 mg, 22%). LC/MS m/z 230 (M+H+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08324208B2
Source datasetuspto-grants-2012_12
ORD IDord-8b2d8540f0824a4aa20797ac030505ea
Source noteuspto-grants-2012_12