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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1750600Generated: October 31, 2026

2,6-Difluorobenzoic acid → 2,6-Difluoro-N-[(1S,2S)-2-{[5-(trifluoromethyl)pyrazin-2-yl]amino}cyclopentyl]benzamide

https://huagongshe.com/reaction/1750600

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,6-Difluorobenzoic acidHCID 9796—
Reactant(1S,2S)-1-N-[5-(Trifluoromethyl)pyrazin-2-yl]cyclopentane-1,2-diamine hydrochlorideHCID 118308118—
Reactant2-(1H-Pyrazol-1-yl)-N-[(1S,2S)-2-{[5-(trifluoromethyl)pyrazin-2-yl]amino}cyclopentyl]benzamideHCID 118308230—
Product2,6-Difluoro-N-[(1S,2S)-2-{[5-(trifluoromethyl)pyrazin-2-yl]amino}cyclopentyl]benzamideHCID 118308323—

Reaction Steps

Prepared according to the procedure for 2-(1H-pyrazol-1-yl)-N-[(1S,2S)-2-{[5-(trifluoromethyl)pyrazin-2-yl]amino}cyclopentyl]benzamide (Example 31) from (1S,2S)-1-N-[5-(trifluoromethyl)pyrazin-2-yl]cyclopentane-1,2-diamine hydrochloride (Intermediate 14, 213 mg, 0.75 mmol) and 2,6-difluorobenzoic acid (CAS number 385-00-2; 131 mg, 0.83 mmol) to afford the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09156829B2
Source datasetuspto-grants-2015_10
ORD IDord-c58526b4bdda4757b41ebc27ae6199e6
Source noteuspto-grants-2015_10