Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 881410Generated: November 2, 2026

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

https://huagongshe.com/reaction/881410

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 numberUS08993563B2
Source datasetuspto-grants-2015_03
ORD IDord-8b177e7ee8e244dfb4364fdfe1412b85
Source noteuspto-grants-2015_03