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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1888031Generated: November 2, 2026

2,3-Dihydroxybutanedioic Acid → HCID 86648414, compound

https://huagongshe.com/reaction/1888031

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 acetone) is slowly added to a solution of Donepezil (3.79 g) in ethyl acetate (200 ml) with stirring at room temperature. The solid precipitated is filtered and dried at 55° C. under vacuum to give the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08501779B2
Source datasetuspto-grants-2013_08
ORD IDord-b285093ed7c549ebade8462f1f4572c9
Source noteuspto-grants-2013_08