1-乙基-3-甲基咪唑四氟硼酸盐 百度百科: Revision history

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11 December 2025

  • curprev 19:3219:32, 11 December 2025Verona9343 talk contribs 2,568 bytes +2,568 Created page with "<br><br><br>一、将200g硫酸二乙酯逐滴加入到1-甲基咪唑的甲苯溶液中(1-甲基咪唑118g、甲苯400g),冰浴冷却,氮气氛围下操作,保证反应温度在20℃~30℃之间,反应形成的离子液体使溶液由澄清变浑浊,滴加结束后,在室温下搅拌2h后静置分层,得到1-乙基-3-甲基咪唑硫酸乙酯粗品309g。 二、用甲苯洗涤三次得到289g较为纯净的1-乙基-3-甲基咪唑硫酸乙酯,将其在旋..."