3-苯-1-丙炔性質(zhì)、用途與生產(chǎn)工藝

用途

制備

3-苯-1-丙炔可由三甲基乙炔基硅為反應(yīng)原料，在異丙基氯化鎂、溴化銅的作用下，與芐溴反應(yīng)制備而得。

步驟A：將三甲基乙炔基硅(23g，233.88mmol)和100ml THF在0℃下加入i-PrMgCl(2Min THF 117ml，233.88mmol)攪拌30min，升至室溫?cái)嚢?0min，加入CuBr(5.03g，35.08mmol)和芐溴(10g，58.47mmol)回流反應(yīng)5h，降至室溫，加入乙酸乙酯，水洗，后柱層析得液體9.2g，收率：83.5％。
步驟B：將步驟A化合物(9.2g，48.85mmol)和100ml甲醇于冰浴冷卻，加入碳酸鉀(33.76g，244.2mmol)攪拌2h，室溫?cái)嚢柽^夜，加入乙酸乙酯，水洗，濃縮后得油狀物5g 3-苯-1-丙炔。

3-苯-1-丙炔 上下游產(chǎn)品信息

上游原料

下游產(chǎn)品

3-苯-1-丙炔 生產(chǎn)廠家

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