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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2200449Generated: October 26, 2026

Potassium Carbonate → 5-((1R,2R)-2-amino-3,3-difluorocyclohexylamino)-3-(2-oxo-1,2,3,4-tetrahydroquinolin-6-ylamino)pyrazine-2-carbonitrile

https://huagongshe.com/reaction/2200449

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
ReactantBinap, (A+-)-HCID 634876—
Reactant6-amino-3,4-dihydroquinolin-2(1H)-oneHCID 4912759—
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-(2-oxo-1,2,3,4-tetrahydroquinolin-6-ylamino)pyrazine-2-carbonitrileHCID 8668557742.4%

Reaction Steps

A mixture of 5-((1R,2R)-2-amino-3,3-difluorocyclohexylamino)-3-chloropyrazine-2-carbonitrile (74 mg, 0.257 mmol), 6-amino-3,4-dihydroquinolin-2(1H)-one (50 mg, 0.308 mmol), K2CO3 (80 mg, 0.579 mmol), BINAP (25 mg, 0.040 mmol) and Pd(OAc)2 (15 mg, 0.066 mmol) in dioxane (2 mL) was degassed with Ar, then was stirred at 110 C for 4 h. The mixture was concentrated in vacuo. The residue was purified by HPLC to give 5-((1R,2R)-2-amino-3,3-difluorocyclohexylamino)-3-(2-oxo-1,2,3,4-tetrahydroquinolin-6-ylamino)pyrazine-2-carbonitrile (45 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09359308B2
Source datasetuspto-grants-2016_06
ORD IDord-f7855e9f424843e89af3913ab9912a27
Source noteuspto-grants-2016_06