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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2200403Generated: October 29, 2026

Water → 2-(6-Chloro-5-cyanopyrazin-2-ylamino)-4,4,4-trifluorobutanamide

https://huagongshe.com/reaction/2200403

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantDiisopropylethylamineHCID 81531—
Reactant3,5-Dichloropyrazine-2-carbonitrileHCID 52987744—
Reactant2-Amino-4,4,4-trifluorobutanamide hydrochlorideHCID 86666169—
SolventEthyl AcetateHCID 8857—
SolventN-methyl-2-pyrrolidoneHCID 13387—
Product2-(6-Chloro-5-cyanopyrazin-2-ylamino)-4,4,4-trifluorobutanamideHCID 8668553788.1%

Reaction Steps

A solution of 3,5-dichloropyrazine-2-carbonitrile (50 mg, 0.287 mmol), 2-amino-4,4,4-trifluorobutanamide hydrochloride (50 mg, 0.259 mmol) and DIEA (0.150 mL, 0.862 mmol) in NMP (1 mL) was stirred at room temperature for 20 h. Water and EtOAc were added. Organic phase was separated, dried over Na2SO4, concentrated in vacuo to give 2-(6-chloro-5-cyanopyrazin-2-ylamino)-4,4,4-trifluorobutanamide (67 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09359308B2
Source datasetuspto-grants-2016_06
ORD IDord-ea1d6a3c5d0d4dd0901d8835495b0000
Source noteuspto-grants-2016_06