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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1602813Generated: October 28, 2026

Hydrochloric Acid → Donepezil Hydrochloride

https://huagongshe.com/reaction/1602813

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantDonepezilHCID 3152—
SolventAcetoneHCID 180—
ProductDonepezil HydrochlorideHCID 5741—

Reaction Steps

0.5 g of Donepezil was dissolved in 10 ml of acetone under heating. Under stirring at room temperature, 0.13 ml of concentrated hydrochloric acid was added hereinto. Stirring was continued for 30 minutes. Filtration of the crystals and drying at 85° C. for 16 hours afforded 0.5 g of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05985864
Source datasetuspto-grants-1999_11
ORD IDord-5bc6a1a448c64522ab1c70defcb78ab9
Source noteuspto-grants-1999_11