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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 332742Generated: October 26, 2026

Potassium Carbonate → tert-butyl (1S,2R)-2-(5-cyano-6-(1-methyl-1H-indol-4-ylamino)pyrazin-2-ylamino)cyclohexylcarbamate

https://huagongshe.com/reaction/332742

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
ReactantBinap, (A+-)-HCID 634876—
Reactant1-methyl-1H-indol-4-amineHCID 22170307—
Reactanttert-butyl (1S,2R)-2-(6-chloro-5-cyanopyrazin-2-ylamino)cyclohexylcarbamateHCID 86685544—
Catalystpalladium(II) acetateHCID 167845—
Solvent1,4-DioxaneHCID 31275—
Producttert-butyl (1S,2R)-2-(5-cyano-6-(1-methyl-1H-indol-4-ylamino)pyrazin-2-ylamino)cyclohexylcarbamateHCID 86685548146%

Reaction Steps

A mixture of tert-butyl (1S,2R)-2-(6-chloro-5-cyanopyrazin-2-ylamino)cyclohexylcarbamate (80 mg, 0.227 mmol), 1-methyl-1H-indol-4-amine (50 mg, 0.342 mmol), K2CO3 (65 mg, 0.471 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 100 C for 20 h. Water and EtOAc were added. Organic phase was separated. The aqueous phase was extracted with EtOAc again. The combined organic phases were dried over Na2SO4, concentrated in vacuo to give a crude tert-butyl (1S,2R)-2-(5-cyano-6-(1-methyl-1H-indol-4-ylamino)pyrazin-2-ylamino)cyclohexylcarbamate (153 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08877760B2
Source datasetuspto-grants-2014_11
ORD IDord-02dd28c5802d49d4ab36a5cfe895bde0
Source noteuspto-grants-2014_11