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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 921609Generated: October 26, 2026

Cyclopropylamine → 4-(Cyclopropylamino)-2-(methylthio)imidazo[2,1-f][1,2,4]triazine-7-carbonitrile

https://huagongshe.com/reaction/921609

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyclopropylamineHCID 69828—
Reactant2,4-Bis(methylthio)imidazo[2,1-f][1,2,4]triazine-7-carbonitrileHCID 71065375—
SolventTetrahydrofuranHCID 8028—
Product4-(Cyclopropylamino)-2-(methylthio)imidazo[2,1-f][1,2,4]triazine-7-carbonitrileHCID 8670845797.5%

Reaction Conditions

Temperature50 °C

Reaction Steps

(I2B): Cyclopropanamine (2.69 mL, 42.4 mmol) was added to a suspension of 2,4-bis(methylthio)imidazo[2,1-f][1,2,4]triazine-7-carbonitrile (3.35 g, 14.12 mmol) in THF (30 mL) and the resulting mixture was heated at 50° C. overnight. Solvent was evaporated and the crude product was purified by flash chromatography on silica gel using an automated ISCO system (120 g column, eluting with 5-30% ethyl acetate/hexanes). 4-(cyclopropylamino)-2-(methylthio)imidazo[2,1-f][1,2,4]triazine-7-carbonitrile (3.39 g) was obtained as light yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09273057B2
Source datasetuspto-grants-2016_03
ORD IDord-df2d6858a4e145ed80cdcd6cd9f88c1b
Source noteuspto-grants-2016_03