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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 872763Generated: October 30, 2026

1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → (R)-5-acetyl-N-(2-(3-(4-cyano-3,5-difluorophenyl)-1H-pyrazol-1-yl)propyl) isoxazole-3-carboxamide

https://huagongshe.com/reaction/872763

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
Reactant1-HydroxybenzotriazoleHCID 75771—
ReactantDiisopropylethylamineHCID 81531—
Reactant5-Acetyl-1,2-oxazole-3-carboxylic acidHCID 17867521—
Reactant(R)-4-(1-(1-aminopropan-2-yl)-1H-pyrazol-3-yl)-2,6-difluorobenzonitrileHCID 67172435—
SolventDimethylformamideHCID 6228—
Product(R)-5-acetyl-N-(2-(3-(4-cyano-3,5-difluorophenyl)-1H-pyrazol-1-yl)propyl) isoxazole-3-carboxamideHCID 70656377—

Reaction Steps

The title compound was synthesized from (R)-4-(1-(1-aminopropan-2-yl)-1H-pyrazol-3-yl)-2,6-difluorobenzonitrile (0.955 g, 3.64 mmol), 5-acetylisoxazole-3-carboxylic acid (0.565 g, 3.64 mmol), HOBt (0.738 g, 5.46 mmol), DIPEA (1.9 mL, 10.92 mmol) and EDCI (1.05 g, 5.46 mmol) using DMF (10 mL) as solvent using the method of Example 34(d). The product was purified with CombiFlash to afford 60 mg of pure product. 1H NMR (400 MHz; CDCl3): δ 1.63 (d, 3H), 2.64 (s, 3H), 3.82 (m, 1H), 3.95 (m, 1H), 4.64 (m, 1H), 6.61 (d, 1H), 7.29 (s, 1H), 7.52 (m, 3H), 7.62 (m, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08975254B2
Source datasetuspto-grants-2015_03
ORD IDord-5d279c84808747e6b05af3c24f4b9c19
Source noteuspto-grants-2015_03