Triethylamine → {3-[3-(2-Fluoro-ethyl)-cyclobutyl]-phenylethynyl}-triisopropyl-silane

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In a CEM snap top microwave vial were combined 1-Bromo-3-[3-(2-fluoro-ethyl)-cyclobutyl]-benzene (0.250 gm 9.72 mmol), triisopropylsilylacetylene (0.22 gm, 1.21 mmol), copper iodide (7 mg, 0.178 mmol), tetrakis(triphenylphosphine)palladium (22 mg, 0.088 mmol) and triethylamine (0.600 g, 5.93 mmol). The vial was quickly agitated then irradiated in a CEM Explorer™ microwave instrument for 30 minutes at 80° C. Purification by column chromatography (hexanes) afforded an oil 349 mg. 1H NMR (400 MHz, DMSO-d6) δ ppm 1.06 (s, 21H) 1.62-1.81 (m, 2H) 1.82-1.97 (m, 1H) 2.00-2.45 (m, 4H) NMR (400 MHz, DMSO-d6) δ ppm 3.31-3.62 (m, 1H) 4.30-4.51 (m, 2H) 7.17-7.41 (m, 4H); MS (EI) m/z 256 [M+·].

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