111409-79-1

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• Synthesis

  

  N-bromosuccinimide (3.2 gm, 18 mmol) and silver nitrate (252 mg, 1.5 mmol) were added to an alkyne (15 mmol) in a stirred solution of acetone (50 mL). The reaction mixture was stirred at room temperature for 3 hours. The reaction was quenched with cold water (50 mL) and extracted with n-pentane (100 mL x 3). The combined organic fractions were dried over anhydrous Na2SO4 and concentrated under reduced pressure. The crude product was purified by silica gel column chromatography (0.5% ethyl acetate in hexane solution) to give (2-bromoethynyl)triisopropylsilane.

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