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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1365300Generated: October 31, 2026

Hydrochloric Acid → 1032757-97-3

https://huagongshe.com/reaction/1365300

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantHCID 46180303HCID 46180303—
SolventMethanolHCID 887—
SolventDiethyl EtherHCID 3283—
SolventDichloromethaneHCID 6344—
Product1032757-97-3HCID 24250755—

Reaction Steps

4-(2-Fluoro-benzenesulfonyl)-piperazine-1-carboxylic acid tert-butyl ester (891 mg) was dissolved in methanol (10 ml) and dichloromethane (5 ml), 2M HCl in diethyl ether (12.9 ml) was added and the reaction mixture was stirred at room temperature overnight, then cooled in ice bath, the resulted precipitate was filtered, washed with ether to yield 4-(2-fluoro-benzenesulfonyl)-piperazine hydrochloride salt (600 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07888352B2
Source datasetuspto-grants-2011_02
ORD IDord-7d01a6a721954ea3ada4995c83ee5174
Source noteuspto-grants-2011_02