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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1968867Generated: November 2, 2026

Potassium Hydroxide → HCID 86761808, compound

https://huagongshe.com/reaction/1968867

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium HydroxideHCID 14797—
ReactantTrimethylsulfonium iodideHCID 75127—
Reactant6-Fluoropyridine-2-carboxaldehydeHCID 10606741—
SolventAcetonitrileHCID 6342—
SolventEthyl AcetateHCID 8857—
ProductHCID 86761808HCID 8676180825.4%

Reaction Conditions

Temperature67.5 °C

Reaction Steps

A mixture of 6-fluoro-pyridine-2-carbaldehyde (1.88 g, 15 mmol), trimethylsulfonium iodide (3.3 g, 16.2 mmol) and KOH (crashed, 3.46 g, 61.9 mmol) in CH3CN (190 mL, containing 0.2 mL of water) was stirred at 65-70° C. under N2 for overnight. The mixture was cooled to rt and diluted with EtOAc (100 mL). After filtration, the filtrate was concentrated. The residue was portioned between H2O (100 mL) and EtOAc (80 mL), the aqueous layer was further extracted with EtOAc (4×80 mL). the combined EtOAc was dried (Na2SO4) and concentrated. The residue was subjected to ISCO (40 g column, hexane 3 min. then 0-60% EtOAc in hexane over 60 min.) to give the desired product (530 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08426414B2
Source datasetuspto-grants-2013_04
ORD IDord-eb6eb2baf8cc405cad9102e2ddab2dd4
Source noteuspto-grants-2013_04