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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 41291Generated: October 26, 2026

Hydrochloric Acid → 1-[4-(Trifluoromethyl)benzenesulfonyl]piperazine

https://huagongshe.com/reaction/41291

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant1,1-Dimethylethyl 4-{[4-(trifluoromethyl)phenyl]sulfonyl}-1-piperazinecarboxylateHCID 46681724—
CatalystWaterHCID 962—
Solvent1,4-DioxaneHCID 31275—
Product1-[4-(Trifluoromethyl)benzenesulfonyl]piperazineHCID 2554578—

Reaction Steps

To a solution of 1,1-dimethylethyl 4-{[4-(trifluoromethyl)phenyl]sulfonyl}-1-piperazinecarboxylate in 1,4-dioxane (100 ml) was added 4M HCl in 1,4-dioxane (50 ml, 200 mmol) and 3 drops of distilled water. The reaction mixture was stirred overnight. Reaction mixture was then reduced to dryness in vacuo.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08530478B2
Source datasetuspto-grants-2013_09
ORD IDord-f4e271f3bdfe4bce892f66ac09ff64b4
Source noteuspto-grants-2013_09