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我们曾报道了11—苄氧基甲基苯并18—冠—6与甲醛缩聚物;11—甲基丙烯酰氧基甲基苯并18—冠—6与二乙烯苯交联聚合物;11—甲基丙烯酰氧基甲基苯并18—冠—6聚合物的合成。本文详细地研究三种聚合物和原料11—苄氧基甲基苯并18—冠—6,11—羟甲基苯并18—冠—6的络合容量以及三种聚合物对亲核取代反应的催化性能。发现这些冠醚聚合物,原料对K~+、Na~+离子均具有较好的络合能力,三种聚合物作为相转移催化剂可连续使用数次仍具有催化活性,且回收简便。
We have previously reported 11-benzyloxymethylbenzo-18-crown-6 with formaldehyde condensation polymer; 11-methacryloyloxymethylbenzo-18-crown-6 with divinylbenzene crosspolymer; 11 Synthesis of Methacryloyloxymethylbenzo-18-crown-6 Polymer. In this paper, the complex capacities of three polymers and 11-benzyloxymethylbenzo-18-crown-6,11-hydroxymethylbenzo-18-crown-6 were studied in detail and the effect of three polymers on nucleophilic substitution Catalytic performance of the reaction. It was found that these crown ether polymers, raw materials have good complexation ability for K ~ +, Na ~ + ions. The three polymers as phase transfer catalyst can be used continuously for several times and still have catalytic activity, and the recovery is simple.