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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2200424Generated: October 31, 2026

tert-butyl (1S,2R)-2-(5-cyano-6-(4-cyanophenylamino)pyrazin-2-ylamino)cyclohexylcarbamate → 5-((1R,2S)-2-aminocyclohexylamino)-3-(4-cyanophenylamino)pyrazine-2-carbonitrile

https://huagongshe.com/reaction/2200424

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-butyl (1S,2R)-2-(5-cyano-6-(4-cyanophenylamino)pyrazin-2-ylamino)cyclohexylcarbamateHCID 86685553—
SolventTrifluoroacetic acidHCID 6422—
Product5-((1R,2S)-2-aminocyclohexylamino)-3-(4-cyanophenylamino)pyrazine-2-carbonitrileHCID 8668555431.3%

Reaction Steps

The crude tert-butyl (1S,2R)-2-(5-cyano-6-(4-cyanophenylamino)pyrazin-2-ylamino)cyclohexylcarbamate (166 mg) was dissolved in TFA (5 mL). After being stirred at room temperature for 30 min, the mixture was concentrated in vacuo. The residue was purified by HPLC to give 5-((1R,2S)-2-aminocyclohexylamino)-3-(4-cyanophenylamino)pyrazine-2-carbonitrile (40 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09359308B2
Source datasetuspto-grants-2016_06
ORD IDord-3e3f1838b92f4f52bbc6a3a8f2e8fac0
Source noteuspto-grants-2016_06