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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2190155Generated: October 31, 2026

Triethylamine → 5-(2-(4-fluorophenyl)-3-(methylcarbamoyl)-6-(N-methylmethylsulfonamido)furo[2,3-b]pyridin-5-yl)pent-4-ynoic acid

https://huagongshe.com/reaction/2190155

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
Reactant4-Pentynoic acidHCID 22464—
Reactant2-(4-fluorophenyl)-5-iodo-N-methyl-6-(N-methylmethylsulfonamido)furo[2,3-b]pyridine-3-carboxamideHCID 54575087—
CatalystCopper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)HCID 24350—
SolventTetrahydrofuranHCID 8028—
Product5-(2-(4-fluorophenyl)-3-(methylcarbamoyl)-6-(N-methylmethylsulfonamido)furo[2,3-b]pyridin-5-yl)pent-4-ynoic acidHCID 58052542—

Reaction Conditions

Temperature80 °C

Reaction Steps

A mixture of 2-(4-fluorophenyl)-5-iodo-N-methyl-6-(N-methylmethylsulfonamido)furo[2,3-b]pyridine-3-carboxamide (52 mg), pent-4-ynoic acid (51 mg), triethylamine (0.43 ml), copper(I) iodide (0.79 mg), Pd(PPh3)Cl2 (5.8 mg) and THF (1.4 ml) was bubbled with nitrogen. Heated at 80° C. for 16 h. Cooled to rt and purified by preparative HPLC. (M+H)+=474.1; Retention time=1.22 min, Method A.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08324239B2
Source datasetuspto-grants-2012_12
ORD IDord-1b789dcc88b64b449680617252d144eb
Source noteuspto-grants-2012_12