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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 921639Generated: October 29, 2026

Hydrochloric Acid → 2-((2-Chloro-5-cyano-3-(4-(2,2-difluoroethyl)piperazin-1-yl)phenyl)amino)-4-(cyclopropylamino)imidazo[2,1-f][1,2,4]triazine-7-carbonitrile, hydrochloride

https://huagongshe.com/reaction/921639

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant2-((2-Chloro-5-cyano-3-(4-(2,2-difluoroethyl)piperazin-1-yl)phenyl)amino)-4-(cyclopropylamino)imidazo[2,1-f][1,2,4]triazine-7-carbonitrileHCID 72948317—
SolventWaterHCID 962—
SolventAcetonitrileHCID 6342—
Product2-((2-Chloro-5-cyano-3-(4-(2,2-difluoroethyl)piperazin-1-yl)phenyl)amino)-4-(cyclopropylamino)imidazo[2,1-f][1,2,4]triazine-7-carbonitrile, hydrochlorideHCID 1317323750.2%

Reaction Steps

To the stirred solution of ((2-chloro-5-cyano-3-(4-(2,2-difluoroethyl)piperazin-1-yl)phenyl)amino)-4-(cyclopropylamino)imidazo[2,1-f][1,2,4]triazine-7-carbonitrile (0.045 g, 0,090 mmol) in dry acetonitrile (2.0 mL), water (4.0 mL) was added 1N HCl (90 μL, 0.090 mmol) at room temperature. The reaction mixture stirred at room temperature for 10 minutes. The reaction mixture converted in to clear solution. This mixture was freeze dried and lyophilized to afford 2-((2-chloro-5-cyano-3-(4-(2,2-difluoroethyl)piperazin-1-yl)phenyl)amino)-4-(cyclopropylamino)imidazo[2,1-f][1,2,4]triazine-7-carbonitrile, hydrochloride (48.0 mg) as an off-white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09273057B2
Source datasetuspto-grants-2016_03
ORD IDord-9ef97d1e8f8b495b815e2127265b9f82
Source noteuspto-grants-2016_03