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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 273405Generated: October 31, 2026

Citric Acid → HCID 58903158, compound

https://huagongshe.com/reaction/273405

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCitric AcidHCID 311—
ReactantWaterHCID 962—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 58903201HCID 58903201—
SolventEthanolHCID 702—
SolventTetrahydrofuranHCID 8028—
ProductHCID 58903158HCID 5890315893.4%

Reaction Steps

To a mixed solution of ethyl 3-[4-({4′-[2-ethoxy-1-(ethoxymethyl)ethoxy]-2′,6′-dimethylbiphenyl-3-yl}methoxy)-2-fluorophenyl]propanoate (0.665 g, 1.20 mmol) in ethanol (6 mL) and tetrahydrofuran (6 mL) was added 2 M aqueous sodium hydroxide solution (2 mL) and the mixture was stirred at room temperature for 72 hrs. Water was added to the reaction mixture and the mixture was neutralized with 10% aqueous citric acid solution and extracted with ethyl acetate. The extract was washed with saturated brine, dried over anhydrous magnesium sulfate and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (20%-80% ethyl acetate/hexane) to give the title compound (0.588 g, yield 93%) as a colorless viscous oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07456218B2
Source datasetuspto-grants-2008_11
ORD IDord-b634665e95344c158696830729575ec4
Source noteuspto-grants-2008_11