Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1888071Generated: October 31, 2026

Donepezil → HCID 86648418, compound

https://huagongshe.com/reaction/1888071

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDonepezilHCID 3152—
ReactantBenzenesulfonic AcidHCID 7371—
SolventIsopropanolHCID 3776—
SolventEthyl AcetateHCID 8857—
ProductHCID 86648418HCID 86648418—

Reaction Steps

3.790 g of Donepezil is dissolved in 70 ml of ethyl acetate. A solution (35 ml) of benzenesulfonic acid (1.852 g) in isopropanol is added slowly and drop-wisely. The solid precipitated is filtered under suction to give the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08501779B2
Source datasetuspto-grants-2013_08
ORD IDord-2a46598b58ce4b6d9755169a3f22cbc7
Source noteuspto-grants-2013_08