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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1888072Generated: November 4, 2026

Donepezil → HCID 86648418, compound

https://huagongshe.com/reaction/1888072

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDonepezilHCID 3152—
ReactantBenzenesulfonic AcidHCID 7371—
SolventAcetoneHCID 180—
SolventEthanolHCID 702—
ProductHCID 86648418HCID 86648418—

Reaction Steps

3.790 g of Donepezil is dissolved in 20 ml of ethanol. A solution (35 ml) of benzenesulfonic acid (1.852 g) in acetone is added slowly and drop-wisely. The solid precipitated is filtered with suction to give the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08501779B2
Source datasetuspto-grants-2013_08
ORD IDord-bd6d0c40d0bc4301bf7ac6b2b9f9b8cc
Source noteuspto-grants-2013_08