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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1888032Generated: November 1, 2026

2,3-Dihydroxybutanedioic Acid → HCID 86648414, compound

https://huagongshe.com/reaction/1888032

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,3-Dihydroxybutanedioic AcidHCID 875—
ReactantDonepezilHCID 3152—
SolventEthyl AcetateHCID 8857—
ProductHCID 86648414HCID 86648414—

Reaction Steps

Tartaric acid (1.5 g, dissolved in 35 ml of 2-propanol-water mixture) is slowly added to a solution of Donepezil (3.79 g) in ethyl acetate (70 ml) with stirring at room temperature. The mixture is stirred for 3 hours at room temperature and concentrated at vacuum to give the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08501779B2
Source datasetuspto-grants-2013_08
ORD IDord-e6e57f14ec02479bb1c2bb882683fe65
Source noteuspto-grants-2013_08