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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2200421Generated: October 29, 2026

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

https://huagongshe.com/reaction/2200421

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-butyl (1S,2R)-2-(5-cyano-6-(3-(pyrimidin-2-yl)phenylamino)pyrazin-2-ylamino)cyclohexylcarbamateHCID 86685550—
SolventTrifluoroacetic acidHCID 6422—
Product5-((1R,2S)-2-aminocyclohexylamino)-3-(3-(pyrimidin-2-yl)phenylamino)pyrazine-2-carbonitrileHCID 86685551—

Reaction Steps

The crude tert-butyl (1S,2R)-2-(5-cyano-6-(3-(pyrimidin-2-yl)phenylamino)pyrazin-2-ylamino)cyclohexylcarbamate was dissolved in TFA (3 mL). After being stirred at room temperature for 1 h, the mixture was concentrated in vacuo. The residue was purified by HPLC to give 5-((1R,2S)-2-aminocyclohexylamino)-3-(3-(pyrimidin-2-yl)phenylamino)pyrazine-2-carbonitrile (60 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09359308B2
Source datasetuspto-grants-2016_06
ORD IDord-56863f205c07490bb11f8b225727e1e8
Source noteuspto-grants-2016_06