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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 332787Generated: October 26, 2026

Potassium Carbonate → (R)-2-(5-cyano-6-(4-(pyridin-3-yl)phenylamino)pyrazin-2-ylamino)butanamide

https://huagongshe.com/reaction/332787

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant4-(Pyridin-3-yl)anilineHCID 459522—
ReactantBinap, (A+-)-HCID 634876—
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-(4-(pyridin-3-yl)phenylamino)pyrazin-2-ylamino)butanamideHCID 8668558557.8%

Reaction Steps

A mixture of (R)-2-(6-chloro-5-cyanopyrazin-2-ylamino)butanamide (100 mg, 0.417 mmol), 4-(pyridin-3-yl)aniline (77 mg, 0.452 mmol), K2CO3 (100 mg, 0.724 mmol), BINAP (30 mg, 0.048 mmol) and Pd(OAc)2 (15 mg, 0.066 mmol) in dioxane (3 mL) was degassed with Ar, then was stirred at 110 C for 20 h. The mixture was concentrated in vacuo. The residue was purified by HPLC to give (R)-2-(5-cyano-6-(4-(pyridin-3-yl)phenylamino)pyrazin-2-ylamino)butanamide (90 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08877760B2
Source datasetuspto-grants-2014_11
ORD IDord-7f8633bf2a204d9abc95189d4f933d76
Source noteuspto-grants-2014_11