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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1681519Generated: November 4, 2026

Piperazine → 1-(Methylsulfonyl)piperazine

https://huagongshe.com/reaction/1681519

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 numberUS05171863
Source datasetuspto-grants-1992_12
ORD IDord-ccf1efadf210489f86e4b1d609a7511b
Source noteuspto-grants-1992_12