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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 248810Generated: November 2, 2026

Piperazine → 1-(Methylsulfonyl)piperazine

https://huagongshe.com/reaction/248810

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperazineHCID 4837—
ReactantSodium HydroxideHCID 14798—
ReactantMethanesulfonyl chlorideHCID 31297—
SolventDichloromethaneHCID 6344—
Product1-(Methylsulfonyl)piperazineHCID 709161—

Reaction Steps

A mixture of methanesulfonyl chloride (1.85 ml, 24 mmol) and piperazine (2.06 g, 24 mmol) in dichloromethane (60 ml) was stirred at room temperature for 14 hours. The mixture was basified with aqueous sodium hydroxide and filtered. The filtrate was washed with water, dried (magnesium sulfate) and evaporated down to give the title sulfonamide.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05212172
Source datasetuspto-grants-1993_05
ORD IDord-22437d70d6b64f2b8fe89953e9becaaf
Source noteuspto-grants-1993_05