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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1718249Generated: October 30, 2026

Ethyl alpha-benzylacetoacetate → HCID 136026728, compound

https://huagongshe.com/reaction/1718249

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl alpha-benzylacetoacetateHCID 246929—
ReactantSodium MethoxideHCID 10942334—
ReactantEthyl imidocarbamate tetrafluoroborateHCID 86622837—
SolventMethanolHCID 887—
ProductHCID 136026728HCID 13602672824.3%

Reaction Steps

To a solution of ethyl imidocarbamate tetrafluoroborate (2.4 g) and ethyl 2-benzyl-3-oxobutanoate (1 g) in methanol (20 mL) was added sodium methoxide (28% methanol solution, 5.25 mL), and the mixture was stirred for 12 hr. The reaction mixture was concentrated, and the residue was dissolved in water. The solution was weakly acidified with acetic acid, extracted with ethyl acetate, washed with saturated brine and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure. The residue was crystallized from diisopropyl ether to give the title compound (0.27 g, 24%) as a colorless solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07803940B2
Source datasetuspto-grants-2010_09
ORD IDord-88d7a01c6b524e1f9cef05f5a142b496
Source noteuspto-grants-2010_09