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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2382781Generated: November 3, 2026

3-Pyridinecarbonyl chloride, hydrochloride (1:1) → HCID 25212520, compound

https://huagongshe.com/reaction/2382781

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Pyridinecarbonyl chloride, hydrochloride (1:1)HCID 88438—
Reactant5-Chloro-7-(trifluoromethyl)[1,2,4]triazolo[1,5-a]pyridin-2-amineHCID 25216184—
ProductHCID 25212520HCID 25212520—

Reaction Steps

The title compound was prepared following procedure described for intermediate B1, but starting from 5-chloro-7-(trifluoromethyl)[1,2,4]triazolo[1,5-a]pyridin-2-amine ((A7), 2.72 g; 11.5 mmol; 1.0 eq.) and nicotinoyl chloride hydrochloride (2.46 g; 13.8 mmol; 1.2 eq.) as a greenish solid (1.42 g; 36%). HPLC, Rt: 2.16 min. (purity 100%). LC/MS, M+(ESI): 342.2, M−(ESI): 340.2.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08263595B2
Source datasetuspto-grants-2012_09
ORD IDord-23ff3f60910e4f31b92ea456cf9149f2
Source noteuspto-grants-2012_09