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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1587273Generated: November 4, 2026

Water → Ethyl 4-bromo-3-oxobutanoate

https://huagongshe.com/reaction/1587273

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantEthyl AcetoacetateHCID 8868—
ReactantBromineHCID 24408—
SolventAcetic AcidHCID 176—
ProductEthyl 4-bromo-3-oxobutanoateHCID 575284—

Reaction Steps

32.5 g (0.25 mol) of ethyl acetoacetate are dissolved in 64 ml of glacial acetic acid. 40 g (0.25 mol) of bromine are added dropwise to the cooled solution. The mixture is left to stand overnight and then poured into cold water. The oil obtained is washed with water, dried and distilled in a glass filter pump vacuum.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05217843
Source datasetuspto-grants-1993_06
ORD IDord-06275a62ec9e4a83b813c32f7bc66d2c
Source noteuspto-grants-1993_06