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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1840569Generated: October 31, 2026

Hydrochloric Acid → 4-(7-chloro-2H-benzopyran-3-sulfonyl)-1-[1-(4-pyridyl)piperidin-4-ylmethyl]-2-piperazinone Hydrochloride

https://huagongshe.com/reaction/1840569

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant4-(7-chloro-2H-benzopyran-3-sulfonyl)-1-[1-(4-pyridyl)piperidin-4-ylmethyl]-2-piperazinoneHCID 23447364—
SolventEthyl AcetateHCID 8857—
Product4-(7-chloro-2H-benzopyran-3-sulfonyl)-1-[1-(4-pyridyl)piperidin-4-ylmethyl]-2-piperazinone HydrochlorideHCID 23447438147.2%

Reaction Steps

To the obtained 4-(7-chloro-2H-benzopyran-3-sulfonyl)-1-[1-(4-pyridyl)piperidin-4-ylmethyl]-2-piperazinone (608 mg) was added a solution of hydrochloric acid in ethyl acetate to give colorless solid of the title compound (480 mg) as hydrochloride salt.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06680312B2
Source datasetuspto-grants-2004_01
ORD IDord-e1029ccca9404efbb1fcf4eeccdf07b2
Source noteuspto-grants-2004_01