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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2259411Generated: October 25, 2026

Hydrochloric Acid → Buspirone Hydrochloride

https://huagongshe.com/reaction/2259411

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantBuspironeHCID 2477—
SolventIsopropanolHCID 3776—
SolventEthyl AcetateHCID 8857—
ProductBuspirone HydrochlorideHCID 36431—

Reaction Steps

treating the 8-[4-[4-(pyrimidine-2-yl)-piperazine-1-yl]-butyl]-8-aza-spiro[4.5]decane-7,9-dione base with hydrogen chloride in ethyl acetate or isopropanol at a temperature not exceeding 70° C. under stirring and isolating the 8-[4-[4-(pyrimidine-2-yl)-piperazine-1-yl]-butyl]-8-aza-spiro[4.5]decane-7,9-dione hydrochloride melting at 201°-203° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05473072
Source datasetuspto-grants-1995_12
ORD IDord-b0ec1fd5f74f4f41be08fae594849ad9
Source noteuspto-grants-1995_12