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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1602804Generated: October 29, 2026

Hydrochloric Acid → Donepezil Hydrochloride

https://huagongshe.com/reaction/1602804

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantDonepezilHCID 3152—
SolventMethanolHCID 887—
ProductDonepezil HydrochlorideHCID 5741—

Reaction Steps

0.3 g of Donepezil was dissolved in 1.5 ml of methanol, followed by addition of 0.97 ml of 10%-hydrochloric acid in methanol mixture. Filtration of the separated crystal and drying under atmosphere afforded 0.2 g of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05985864
Source datasetuspto-grants-1999_11
ORD IDord-7c69ae22a9274d7d9642d307137cbc8c
Source noteuspto-grants-1999_11