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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1044602Generated: November 3, 2026

Hydrochloric Acid → (1R,3S)-3-isopropyl-3-(4-[6-(trifluoromethyl)pyridin-2-yl]piperazin-1-ylcarbonyl)cyclopentanamine dihydrochloride

https://huagongshe.com/reaction/1044602

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactanttert-Butyl [(1R,3S)-3-isopropyl-3-(4-[6-(trifluoromethyl)pyridin-2-yl]piperazin-1-ylcarbonyl)cyclopentyl]carbamateHCID 59833551—
Solvent1,4-DioxaneHCID 31275—
Product(1R,3S)-3-isopropyl-3-(4-[6-(trifluoromethyl)pyridin-2-yl]piperazin-1-ylcarbonyl)cyclopentanamine dihydrochlorideHCID 68597226—

Reaction Steps

tert-Butyl [(1R,3S)-3-isopropyl-3-(4-[6-(trifluoromethyl)pyridin-2-yl]piperazin-1-ylcarbonyl)cyclopentyl]carbamate (300 mg, 0.62 mmol) was dissolved in a 4.0 M solution of HCl in 1,4-dioxane (10 mL). After being stirred at room temperature for 1 h, the solution was concentrated to give 260 mg of desired product. MS calculated for C19H27F3N4O: (M+H) 385.2; found 385.2.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08563582B2
Source datasetuspto-grants-2013_10
ORD IDord-a7e53ec319d74caab30e510485724548
Source noteuspto-grants-2013_10