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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2200433Generated: October 30, 2026

Aniline → 5-((1R,2R)-2-amino-3,3-difluorocyclohexylamino)-3-(phenylamino)pyrazine-2-carbonitrile

https://huagongshe.com/reaction/2200433

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAnilineHCID 6115—
ReactantPotassium CarbonateHCID 11430—
ReactantBinap, (A+-)-HCID 634876—
Reactant5-((1R,2R)-2-amino-3,3-difluorocyclohexylamino)-3-chloropyrazine-2-carbonitrileHCID 86685556—
Catalystpalladium(II) acetateHCID 167845—
Solvent1,4-DioxaneHCID 31275—
Product5-((1R,2R)-2-amino-3,3-difluorocyclohexylamino)-3-(phenylamino)pyrazine-2-carbonitrileHCID 8668556453.1%

Reaction Steps

A mixture of 5-((1R,2R)-2-amino-3,3-difluorocyclohexylamino)-3-chloropyrazine-2-carbonitrile (74 mg, 0.257 mmol), aniline (0.040 mL, 0.439 mmol), K2CO3 (80 mg, 0.579 mmol), BINAP (25 mg, 0.040 mmol) and Pd(OAc)2 (10 mg, 0.044 mmol) in dioxane (2 mL) was degassed with Ar, then was stirred at 110 C for 3 h. The mixture was concentrated in vacuo. The residue was purified by HPLC to give 5-((1R,2R)-2-amino-3,3-difluorocyclohexylamino)-3-(phenylamino)pyrazine-2-carbonitrile (47 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09359308B2
Source datasetuspto-grants-2016_06
ORD IDord-d48158d3e8aa4ed099c0be61498fe860
Source noteuspto-grants-2016_06