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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 991455Generated: November 1, 2026

Benzoic acid, 3-(chlorosulfonyl)- → HCID 18413947, compound

https://huagongshe.com/reaction/991455

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzoic acid, 3-(chlorosulfonyl)-HCID 77641—
ReactantDiisopropylethylamineHCID 81531—
ReactantPiperazine, 1-(4-chlorophenyl)-, hydrochloride (1:2)HCID 12212341—
SolventDichloromethaneHCID 6344—
ProductHCID 18413947HCID 1841394738.1%

Reaction Steps

To a suspension of 1-(4-chlorophenyl)piperazine dihydrochloride (539 mg) and 3-(chlorosulfonyl)benzoic acid (441 mg) in dichloromethane (50 ml) was added diisopropylethylamine (0.8 ml). After stirring overnight at room temperature the reaction mixture was washed with 2N HCl (3×25 ml) and brine (25 ml), dried over MgSO4, filtered and evaporated to give the title compound as white solid (290 mg, 38%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06465468B1
Source datasetuspto-grants-2002_10
ORD IDord-3ccb0bf21e9b43f6b273a1120e3dfb2c
Source noteuspto-grants-2002_10