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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2200464Generated: October 26, 2026

Potassium Carbonate → (R)-2-(5-cyano-6-(2-oxo-1,2,3,4-tetrahydroquinolin-6-ylamino)pyrazin-2-ylamino)butanamide

https://huagongshe.com/reaction/2200464

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
ReactantBinap, (A+-)-HCID 634876—
Reactant6-amino-3,4-dihydroquinolin-2(1H)-oneHCID 4912759—
Reactant(R)-2-(6-chloro-5-cyanopyrazin-2-ylamino)butanamideHCID 86685581—
Catalystpalladium(II) acetateHCID 167845—
Solvent1,4-DioxaneHCID 31275—
Product(R)-2-(5-cyano-6-(2-oxo-1,2,3,4-tetrahydroquinolin-6-ylamino)pyrazin-2-ylamino)butanamideHCID 8668558659%

Reaction Steps

A mixture of (R)-2-(6-chloro-5-cyanopyrazin-2-ylamino)butanamide (80 mg, 0.334 mmol), 6-amino-3,4-dihydroquinolin-2(1H)-one (60 mg, 0.370 mmol), K2CO3 (100 mg, 0.724 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 4 h. The mixture was concentrated in vacuo. The residue was purified by HPLC to give (R)-2-(5-cyano-6-(2-oxo-1,2,3,4-tetrahydroquinolin-6-ylamino)pyrazin-2-ylamino)butanamide (72 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09359308B2
Source datasetuspto-grants-2016_06
ORD IDord-9f64f593f49a49199e803277a0350f85
Source noteuspto-grants-2016_06