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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1365310Generated: October 28, 2026

Hydrochloric Acid → 1-(4-Fluorobenzene-1-sulfonyl)piperazine--hydrogen chloride (1/1)

https://huagongshe.com/reaction/1365310

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantHCID 4634543HCID 4634543—
SolventMethanolHCID 887—
SolventDiethyl EtherHCID 3283—
SolventDichloromethaneHCID 6344—
Product1-(4-Fluorobenzene-1-sulfonyl)piperazine--hydrogen chloride (1/1)HCID 17368314—

Reaction Steps

4-(4-Fluoro-benzenesulfonyl)-piperazine-1-carboxylic acid tert-butyl ester (937 mg) was dissolved in methanol (10 ml) and dichloromethane (5 ml), 2M HCl in diethyl ether (13.6 ml) was added and the reaction mixture was stirred at room temperature overnight. Volatiles were removed in vacuo to yield 4-(4-fluoro-benzenesulfonyl)-piperazine hydrochloride salt (819 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07888352B2
Source datasetuspto-grants-2011_02
ORD IDord-3cb7f9b2fe484308a35840bf7a3e9dbf
Source noteuspto-grants-2011_02