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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 872747Generated: October 30, 2026

1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → (S)-3-acetyl-N-(2-(3-(4-cyano-3-(trifluoromethyl)phenyl)-1H-pyrazol-1-yl)propyl)-1H-pyrazole-5-carboxamide

https://huagongshe.com/reaction/872747

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
Reactant1-HydroxybenzotriazoleHCID 75771—
ReactantDiisopropylethylamineHCID 81531—
Reactant3-acetyl-1H-pyrazole-5-carboxylic acidHCID 16767346—
Reactant(S)-4-(1-(1-aminopropan-2-yl)-1H-pyrazol-3-yl)-2-(trifluoromethyl)benzonitrileHCID 67173174—
SolventDichloromethaneHCID 6344—
Product(S)-3-acetyl-N-(2-(3-(4-cyano-3-(trifluoromethyl)phenyl)-1H-pyrazol-1-yl)propyl)-1H-pyrazole-5-carboxamideHCID 7065585377.4%

Reaction Steps

The title compound was synthesized from (S)-4-(1-(1-aminopropan-2-yl)-1H-pyrazol-3-yl)-2-(trifluoromethyl)benzonitrile (429 mg, 1.45 mmol), 3-acetyl-1H-pyrazole-5-carboxylic acid (225 mg, 1.45 mmol), HOBt (236 mg, 1.75 mmol), DIPEA (0.305 mL, 1.75 mmol) and EDCI (335 mg, 1.75 mmol) using DCM as solvent using the method of Example 34(d) affording 483 mg of the title compound. 1H NMR (400 MHz; d6-DMSO): δ 1.50 (d, 3H), 2.47 (s, 3H), 3.63 (m, 2H), 4.69 (m, 1H), 7.03 (d, 1H), 7.25 (bs, 1H), 7.90 (d, 1H), 8.18 (m, 2H), 8.27 (m, 1H), 14.15 (bs, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08975254B2
Source datasetuspto-grants-2015_03
ORD IDord-1325277e097e41eabd25a995d9c6c55c
Source noteuspto-grants-2015_03