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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2382819Generated: November 1, 2026

2,3-Dihydro-1-benzofuran-5-carbonyl chloride → N-[5-(3-furyl)[1,2,4]triazolo[1,5-a]pyridin-2-yl]-2,3-dihydro-1-benzofuran-5-carboxamide

https://huagongshe.com/reaction/2382819

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,3-Dihydro-1-benzofuran-5-carbonyl chlorideHCID 2776153—
Reactant5-(Furan-3-yl)-[1,2,4]triazolo[1,5-a]pyridin-2-amineHCID 25215938—
ProductN-[5-(3-furyl)[1,2,4]triazolo[1,5-a]pyridin-2-yl]-2,3-dihydro-1-benzofuran-5-carboxamideHCID 59437468—

Reaction Steps

The title compound was prepared following procedure and work up described for example 19, but starting from 5-(3-furyl)[1,2,4]triazolo[1,5-a]pyridin-2-amine ((A2), 50 mg; 0.25 mmol; 1.0 eq.) and 2,3-dihydro-1-benzofuran-5-carbonyl chloride (68 mg; 0.37 mmol; 1.5 eq.) as a white solid (25.7 mg, 29%). HPLC, Rt: 3.14 min. (purity 78.8%). LC/MS, M+(ESI): 347.4, M−(ESI): 345.3.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08263595B2
Source datasetuspto-grants-2012_09
ORD IDord-94cc06b8db0d4f9ebb0cec64658b173d
Source noteuspto-grants-2012_09