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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 339053Generated: October 31, 2026

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

https://huagongshe.com/reaction/339053

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantDichloromethaneHCID 6344—
Reactanttert-butyl (S)-3-methyl-1-((S)-2,2,2-trifluoro-1-(3-(7-(2-methoxyethoxy)quinolin-2-yl)-[1,2,4]triazolo[4,3-a]pyridin-6-yl)ethyl)pyrrolidin-3-ylcarbamateHCID 86707539—
Solvent1,4-DioxaneHCID 31275—
Product(S)-3-methyl-1-((S)-2,2,2-trifluoro-1-(3-(7-(2-methoxyethoxy)quinolin-2-yl)-[1,2,4]triazolo[4,3-a]pyridin-6-yl)ethyl)pyrrolidin-3-amine dihydrochlorideHCID 8670754095%

Reaction Steps

A mixture of tert-butyl (S)-3-methyl-1-((S)-2,2,2-trifluoro-1-(3-(7-(2-methoxyethoxy)quinolin-2-yl)-[1,2,4]triazolo[4,3-a]pyridin-6-yl)ethyl)pyrrolidin-3-ylcarbamate (72 mg, 0.12 mmol), DCM (1 mL) and 4N HCl in dioxane (0.3 mL) was stirred at ambient temperature overnight. Removal of the solvents under reduced pressure gave (S)-3-methyl-1-((S)-2,2,2-trifluoro-1-(3-(7-(2-methoxyethoxy)quinolin-2-yl)-[1,2,4]triazolo[4,3-a]pyridin-6-yl)ethyl)pyrrolidin-3-amine dihydrochloride (65 mg, 95%) as a yellow solid. LCMS APCI (+) m/z 501 (M+H). Specific rotation: [α]25D=−0.89° (c=0.97, MeOH).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08889704B2
Source datasetuspto-grants-2014_11
ORD IDord-99195cce8ff94ba98c47a2275efc34af
Source noteuspto-grants-2014_11