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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2291572Generated: October 31, 2026

Hydrochloric Acid → N-[4-(piperazin-1-yl)phenyl]methanesulfonamide hydrochloride

https://huagongshe.com/reaction/2291572

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantN-[4-(4-Acetylpiperazin-1-yl)phenyl]methanesulfonamideHCID 21278916—
ProductN-[4-(piperazin-1-yl)phenyl]methanesulfonamide hydrochlorideHCID 18759927—

Reaction Steps

1-Acetyl-4-(4-methanesulphonamidophenyl)piperazine (9.6 g) and 5N aqueous hydrochloric acid (100 ml) were heated at 100° for 1 hour, the solvent was evaporated, and the residue dried by azeotroping with toluene. The residue was crystallised from ethanol, yield of the title compound 8.26 g, m.p. 230° (dec.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04797401
Source datasetuspto-grants-1989_01
ORD IDord-dc7e346d058b47e6802b42e091e5a229
Source noteuspto-grants-1989_01