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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1725510Generated: October 31, 2026

1,4-Dioxane hydrochloride → 1-(2-Fluoro-3-(trifluoromethyl)benzoyl)piperazine hydrochloride

https://huagongshe.com/reaction/1725510

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,4-Dioxane hydrochlorideHCID 20443148—
ReactantTert-butyl 4-(2-fluoro-3-(trifluoromethyl)benzoyl)piperazine-1-carboxylateHCID 57562617—
SolventMethanolHCID 887—
Product1-(2-Fluoro-3-(trifluoromethyl)benzoyl)piperazine hydrochlorideHCID 68678358—

Reaction Steps

To a mixture of 7.74 g of tert-butyl 4-(2-fluoro-3-(trifluoromethyl)benzoyl)piperazine-1-carboxylate and 10 ml of methanol was added a hydrochloric acid-1,4-dioxane solution (4 M, 20 ml) followed by stirring at room temperature for 4 hours. The reaction mixture was concentrated in vacuo to give the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07491720B2
Source datasetuspto-grants-2009_02
ORD IDord-65323530a0264d9a8cb0f1fc33e868ea
Source noteuspto-grants-2009_02