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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 332827Generated: October 26, 2026

Potassium Carbonate → (R)-2-(5-cyano-6-(3-methylisothiazol-5-ylamino)pyrazin-2-ylamino)-3-cyclopropylpropanamide

https://huagongshe.com/reaction/332827

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
ReactantBinap, (A+-)-HCID 634876—
Reactant3-Methylisothiazol-5-ylamine hydrochlorideHCID 2723918—
Reactant(R)-2-(6-chloro-5-cyanopyrazin-2-ylamino)-3-cyclopropylpropanamideHCID 86685539—
Catalystpalladium(II) acetateHCID 167845—
Solvent1,4-DioxaneHCID 31275—
Product(R)-2-(5-cyano-6-(3-methylisothiazol-5-ylamino)pyrazin-2-ylamino)-3-cyclopropylpropanamideHCID 86685619128.9%

Reaction Steps

A mixture of (R)-2-(6-chloro-5-cyanopyrazin-2-ylamino)-3-cyclopropylpropanamide (86 mg, 0.323 mmol), 3-methylisothiazol-5-amine hydrochloride (70 mg, 0.464 mmol), K2CO3 (130 mg, 0.942 mmol), BINAP (30 mg, 0.048 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 20 h. EtOAc and H2O were added. Organic phase was separated, dried over Na2SO4, concentrated in vacuo to give (R)-2-(5-cyano-6-(3-methylisothiazol-5-ylamino)pyrazin-2-ylamino)-3-cyclopropylpropanamide (143 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08877760B2
Source datasetuspto-grants-2014_11
ORD IDord-327c058c7e5c421495dfd9b4045915b7
Source noteuspto-grants-2014_11