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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 435258Generated: October 26, 2026

Propargyl bromide → Ethyl 2-propargyloxyimino-3-oxobutyrate

https://huagongshe.com/reaction/435258

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPropargyl bromideHCID 7842—
ReactantPotassium CarbonateHCID 11430—
ReactantHCID 178472877HCID 178472877—
SolventDimethylformamideHCID 6228—
ProductEthyl 2-propargyloxyimino-3-oxobutyrateHCID 53965351101.3%

Reaction Steps

Ethyl 2-hydroxyimino-3-oxobutyrate (syn isomer, 56.7 g.), N,N-dimethylformamide (280 ml.), potassium carbonate (72.3 g.) and propargyl bromide (43 g.) were treated in a similar manner to that of Example F (1) to give ethyl 2-propargyloxyimino-3-oxobutyrate (syn isomer, 71.2 g.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04400379
Source datasetuspto-grants-1983_08
ORD IDord-b2cc2e3bfb0842cf8c169b8de8158015
Source noteuspto-grants-1983_08