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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1476879Generated: October 30, 2026

Hydrochloric Acid → (S)-3-(8-fluoro-1-(pyrrolidin-3-ylamino)isoquinolin-3-yl)-1H-1,2,4-triazol-5(4H)-one

https://huagongshe.com/reaction/1476879

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant(S)-tert-butyl 3-((8-fluoro-3-(5-oxo-4,5-dihydro-1H-1,2,4-triazol-3-yl)isoquinolin-1-yl)amino)pyrrolidine-1-carboxylateHCID 136597077—
SolventEthyl AcetateHCID 8857—
ProductHydrochloric AcidHCID 313—
Product(S)-3-(8-fluoro-1-(pyrrolidin-3-ylamino)isoquinolin-3-yl)-1H-1,2,4-triazol-5(4H)-oneHCID 13659699199.2%

Reaction Steps

To a mixture of (S)-tert-butyl 3-((8-fluoro-3-(5-oxo-4,5-dihydro-1H-1,2,4-triazol-3-yl)isoquinolin-1-yl)amino)pyrrolidine-1-carboxylate (300 mg, 0.72 mmol) in EtOAc (5 mL) was added a 4M solution of HCl in EtOAc (5 mL). The reaction mixture was stirred at RT for 45 minutes. The solvent was removed in vacuo to give an HCl salt of the title compound (250 mg, 99.2%). ESI-MS m/z [M+H]+ 315.2.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09402841B2
Source datasetuspto-grants-2016_08
ORD IDord-be1698dff6d7465eb6bd6f49b5cecff8
Source noteuspto-grants-2016_08