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本文以D301大孔弱碱性阴离子交换树脂为原料制备了一种稳定的氧化树脂——大孔型聚合物氧化三甲胺,并研究了其氧化各类卤代烃成醛的反应。实验结果表明:该氧化树脂能在温和条件下将伯碘代物、伯溴代物、烯丙基型卤代物及苄基卤代物高产率地氧化成醛;用该氧化树脂氧化双溴代物可得到良好产率的单醛;当同一化合物中卤原子和其它官能团共存时,该氧化树脂可对其中的卤原子进行选择性氧化。反应后的树脂可完全再生,重复使用三次后树脂的活性没有明显的降低。
In this paper, D301 macroporous weakly basic anion exchange resin as a raw material to prepare a stable oxide resin - macroporous polymer trimethylamine oxide, and its oxidation of various halogenated hydrocarbons into aldehydes reaction. The experimental results show that the oxidized resin can oxidize the primary iodides, primary bromides, allyl halides and benzyl halides to aldehydes under mild conditions with high yield; oxidation of the dibromo-compounds with the oxidized resins yields good The yield of monoaldehydes; when the same compound halogen atoms and other functional groups coexist, the oxidation of the halogen atoms can be selectively oxidized. After the reaction of the resin can be completely regenerated, repeated three times after the resin activity was not significantly reduced.