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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 339098Generated: October 29, 2026

Hydrochloric Acid → (3S)-1-((1R)-2,2,2-trifluoro-1-(3-(3-fluoro-7-(2-methoxyethoxy)quinolin-2-yl)-[1,2,4]triazolo[4,3-a]pyridin-6-yl)ethyl)pyrrolidin-3-amine

https://huagongshe.com/reaction/339098

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactanttert-butyl (3S)-1-((1R)-2,2,2-trifluoro-1-(3-(3-fluoro-7-(2-methoxyethoxy)quinolin-2-yl)-[1,2,4]triazolo[4,3-a]pyridin-6-yl)ethyl)pyrrolidin-3-ylcarbamateHCID 86707560—
SolventIsopropanolHCID 3776—
SolventDichloromethaneHCID 6344—
Product(3S)-1-((1R)-2,2,2-trifluoro-1-(3-(3-fluoro-7-(2-methoxyethoxy)quinolin-2-yl)-[1,2,4]triazolo[4,3-a]pyridin-6-yl)ethyl)pyrrolidin-3-amineHCID 8670756185%

Reaction Steps

To a solution of tert-butyl (3S)-1-((1R)-2,2,2-trifluoro-1-(3-(3-fluoro-7-(2-methoxyethoxy)quinolin-2-yl)-[1,2,4]triazolo[4,3-a]pyridin-6-yl)ethyl)pyrrolidin-3-ylcarbamate (0.096 g, 0.159 mmol) in DCM (0.5 mL) was added 5 N HCl (0.530 mL, 2.65 mmol) in IPA. The reaction mixture was stirred at ambient temperature for 2 hours. The solvent was removed under reduced pressure. The crude residue was suspended in ACN (5 mL) and stirred at ambient temperature for 10 minutes. The solid was collected by filtration to give (3S)-1-((1R)-2,2,2-trifluoro-1-(3-(3-fluoro-7-(2-methoxyethoxy)quinolin-2-yl)-[1,2,4]triazolo[4,3-a]pyridin-6-yl)ethyl)pyrrolidin-3-amine (0.078 g, 0.135 mmol, 85% yield) as a solid. LCMS APCI (+) m/z 505 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08889704B2
Source datasetuspto-grants-2014_11
ORD IDord-420350054cee4c7893411c310c3f2240
Source noteuspto-grants-2014_11