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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2228658Generated: October 30, 2026

Ethyl bromoacetate → HCID 15512873, compound

https://huagongshe.com/reaction/2228658

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl bromoacetateHCID 7748—
ReactantSodium hydrideHCID 24758—
Reactant5-Hydroxy-1-tetraloneHCID 119921—
SolventWaterHCID 962—
SolventDimethylformamideHCID 6228—
ProductHCID 15512873HCID 1551287367%

Reaction Steps

To a solution of 3,4-dihydro-5-hydroxy-1(2H)-naphthalenone (8.20 g, 50.6 mmol) in N,N-dimethylformamide (80 mL) was added sodium hydride (60% dispersion in liquid paraffin, 2.22 g, 55.6 mmol) at 0° C. and the mixture was stirred at that temperature for 10 minutes. Then, ethyl bromoacetate (9.29 g, 55.6 mmol) was added and the mixture was further stirred at room temperature for 30 minutes. This reaction mixture was poured in water (80 mL) and extracted with 2 portions of ethyl acetate. The organic layers were pooled, washed with water, dried over anhydrous magnesium sulfate (MgSO4), and filtered, and the filtrate was concentrated under reduced pressure. The residue was crystallized from hexane-diisopropyl ether to provide 8.40 g of the title compound. Yield 67%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06417213B2
Source datasetuspto-grants-2002_07
ORD IDord-543d8884c27440f3ae0ff81ebe3357ff
Source noteuspto-grants-2002_07