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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1750701Generated: November 1, 2026

3-[1,2,3]Triazol-2-yl-pyridine-2-carboxylic acid → N-[(1S,2S)-2-{[3-Cyclopropyl-5-(trifluoromethyl)pyrazin-2-yl]amino}cyclopentyl]-3-(2H-1,2,3-triazol-2-yl)pyridine-2-carboxamide

https://huagongshe.com/reaction/1750701

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-[1,2,3]Triazol-2-yl-pyridine-2-carboxylic acidHCID 66742288—
Reactant(1S,2S)-1-N-[3-Cyclopropyl-5-(trifluoromethyl)pyrazin-2-yl]cyclopentane-1,2-diamine hydrochlorideHCID 118308108—
Reactant2-(5-Ethoxypyrimidin-2-yl)-N-[(1S,2S)-2-{[5-(trifluoromethyl)pyrazin-2-yl]amino}cyclopentyl]benzamideHCID 118308167—
ProductN-[(1S,2S)-2-{[3-Cyclopropyl-5-(trifluoromethyl)pyrazin-2-yl]amino}cyclopentyl]-3-(2H-1,2,3-triazol-2-yl)pyridine-2-carboxamideHCID 118308124—

Reaction Steps

Prepared according to the procedure for 2-(5-Ethoxypyrimidin-2-yl)-N-[(1S,2S)-2-{[5-(trifluoromethyl)pyrazin-2-yl]amino}cyclopentyl]benzamide (Example 135) from (1S,2S)-1-N-[3-cyclopropyl-5-(trifluoromethyl)pyrazin-2-yl]cyclopentane-1,2-diamine hydrochloride (Intermediate 48; 105 mg, 0.33 mmol) and 3-(2H-1,2,3-triazol-2-yl)pyridine-2-carboxylic acid (CAS number 1252907-86-0; 74 mg, 0.39 mmol) except after work-up, the organics were loaded directly on to a cation/anion mixed mode cartridge, eluted with DCM, then methanol and 2M ammonia in methanol and concentrated in vacuo. The resulting residue was purified by column chromatography (silica, 0-100% ethyl acetate/petrol) to afford the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09156829B2
Source datasetuspto-grants-2015_10
ORD IDord-79fd0e6d59824ca094ac4d4d0b2e5488
Source noteuspto-grants-2015_10