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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1750655Generated: October 26, 2026

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

https://huagongshe.com/reaction/1750655

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,6-Difluorobenzoic acidHCID 9796—
Reactant(1S,2S)-1-Methyl-1-N-[5-(trifluoromethyl)pyrazin-2-yl]cyclopentane-1,2-diamineHCID 118308048—
ReactantN-[(1S,2S)-2-Methyl-2-{[5-(trifluoromethyl)pyrazin-2-yl]amino}cyclopentyl]-3-(2H-1,2,3-triazol-2-yl)pyridine-2-carboxamideHCID 118308152—
Product2,6-Difluoro-N-[(1S,2S)-2-methyl-2-{[5-(trifluoromethyl)pyrazin-2-yl]amino}cyclopentyl]benzamideHCID 118308241—

Reaction Steps

Prepared according to the procedure for N-[(1S,2S)-2-methyl-2-{[5-(trifluoromethyl)pyrazin-2-yl]amino}cyclopentyl]-3-(2H-1,2,3-triazol-2-yl)pyridine-2-carboxamide (Example 77) from (1S,2S)-1-methyl-1-N-[5-(trifluoromethyl)pyrazin-2-yl]cyclopentane-1,2-diamine (Intermediate 25; 63 mg, 0.24 mmol) and 2,6-difluorobenzoic acid (CAS number 385-00-2; 46 mg, 0.29 mmol) except this was purified by column chromatography (silica, 0-20% ethyl acetate/petrol) followed by reverse phase chromatography (C18 silica, 0-100% water (with 0.05% ammonia)/acetonitrile) to afford the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09156829B2
Source datasetuspto-grants-2015_10
ORD IDord-3b3fe389cf704a4f921dbaddbe0e5587
Source noteuspto-grants-2015_10