3-苯-1-丙炔

3-苯-1-丙炔性质、用途与生产工艺

用途

制备

3-苯-1-丙炔可由三甲基乙炔基硅为反应原料，在异丙基氯化镁、溴化铜的作用下，与苄溴反应制备而得。

步骤A：将三甲基乙炔基硅(23g，233.88mmol)和100ml THF在0℃下加入i-PrMgCl(2Min THF 117ml，233.88mmol)搅拌30min，升至室温搅拌30min，加入CuBr(5.03g，35.08mmol)和苄溴(10g，58.47mmol)回流反应5h，降至室温，加入乙酸乙酯，水洗，后柱层析得液体9.2g，收率：83.5％。
步骤B：将步骤A化合物(9.2g，48.85mmol)和100ml甲醇于冰浴冷却，加入碳酸钾(33.76g，244.2mmol)搅拌2h，室温搅拌过夜，加入乙酸乙酯，水洗，浓缩后得油状物5g 3-苯-1-丙炔。

3-苯-1-丙炔 上下游产品信息

上游原料

下游产品

3-苯-1-丙炔 生产厂家

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