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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1896030Generated: November 1, 2026

2-Fluoropyridine → 2-{4-[3-(3,5-Difluorophenyl)prop-2-ynylidene]piperidin-1-yl}-6-methylnicotinonitrile

https://huagongshe.com/reaction/1896030

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-FluoropyridineHCID 9746—
ReactantPotassium CarbonateHCID 11430—
Reactant2-Chloro-6-methylpyridine-3-carbonitrileHCID 520400—
Reactant2-Methyl-6-[3-(1-pyridin-2-ylpiperidin-4-ylidene)prop-1-yn-1-yl]pyridineHCID 25181639—
Reactant4-[3-(3,5-Difluorophenyl)prop-2-ynylidene]piperidineHCID 86627342—
Product2-{4-[3-(3,5-Difluorophenyl)prop-2-ynylidene]piperidin-1-yl}-6-methylnicotinonitrileHCID 8662735061%

Reaction Steps

The title compound was synthesized following the procedure reported for the compound of Example 59 replacing the compound of Example 3, 2-fluoropyridine and TEA respectively with Compound 228b, 2-chloro-6-methylnicotinonitrile and potassium carbonate. Purification by automated flash chromatography (Horizon™-Biotage) eluting with PE-EtOAc 95:5. Yellow solid. Yield: 61%

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08518916B2
Source datasetuspto-grants-2013_08
ORD IDord-fb4cd8366517469a959528eaf506384b
Source noteuspto-grants-2013_08