Triethylamine → 2-Fluoro-3-((trimethylsilyl)ethynyl)pyridine

Beteiligte Stoffe

Reaktionsbedingungen

Reaktionsschritte

Into a 1-neck round-bottom flask was added 2-fluoro-3-iodopyridine (1.0 g, 0.0045 mol), trimethylsilylacetylene (0.95 mL, 6.7 mmol), bis(triphenylphosphine)palladium(II) chloride (0.2 g, 0.2 mmol), copper(I) iodide (0.07 g, 0.4 mmol), and triethylamine (0.94 mL, 6.7 mmol) in N,N-dimethylformamide (20 mL). The reaction was stirred at 25° C. for 16 hours. The reaction was extracted with EtOAc, washed with brine, dried over MgSO4, and concentrated under vacuum. The product was purified by column chromatography on silica gel (10% ethyl acetate 90% hexanes) to give 0.747 g of the desired product. 1H NMR (400 MHz, CDCl3): δ 7.86-7.89 (m, 1H), 7.55-7.61 (m, 1H), 6.86-6.90 (m, 1H). MS [M+H]=194.0

Herkunft & Nachweise