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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1177849Generated: October 30, 2026

Trifluoroacetic acid → HCID 57855674, compound

https://huagongshe.com/reaction/1177849

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
Reactant1-HydroxybenzotriazoleHCID 75771—
ReactantDiisopropylethylamineHCID 81531—
ReactantHCID 22484919HCID 22484919—
Reactant2-Amino-1-[4-(2-trifluoromethyl-benzoyl)-piperazin-1-yl]-ethanoneHCID 59559629—
SolventWaterHCID 962—
SolventDimethylformamideHCID 6228—
ProductHCID 57855674HCID 5785567480%

Reaction Steps

DIPEA (0.084 mL, 0.49 mmol) was added dropwise to 4-(4-benzyloxy-phenoxy)-benzoic acid (62 mg, 0.20 mmol) in DMF (4 mL). EDCI (78 mg, 0.41 mmol) and HOBT (26 mg, 0.20 mmol) were added consecutively and, after 10 mins, 2-amino-1-[4-(2-trifluoromethyl-benzoyl)-piperazin-1-yl]-ethanone in its TFA salt form (70 mg, 0.16 mmol) was added. The resulting mixture was stirred at room temperature overnight. Water was added and the resulting solid was isolated by filtration to afford 80 mg (80% yield) of 4-(4-benzyloxy-phenoxy)-N-{2-oxo-2-[4-(2-trifluoromethyl-benzoyl)-piperazin-1-yl]-ethyl}-benzamide.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07842696B2
Source datasetuspto-grants-2010_11
ORD IDord-3dd017ee8e024b6983cd38b1938709f9
Source noteuspto-grants-2010_11