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对称官能基长链二硫化物的相转移催化合成

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  • Key Words:相转移催化;;二硫化物;;一锅法

  • Abstract:官能基长链烷基二硫化物在金属表面有序膜的组装和表面保护研究中有重要的应用价值。本研究工作采用"一锅两步"方法通过相转移催化反应合成了系列对称长链烷基二硫化物。首先采用硫化钠与硫粉反应制备二硫化钠水溶液,然后利用表面活性剂在水-氯仿混合溶剂中制备了C6-C11的羟基、烯键、卤素和叠氮等末端基团的官能基二硫化物。研究发现生成二硫化钠的反应平衡对最终产物具有决定作用,在优化的反应条件下反应物转化率为100%,产品收率大于95%,产品纯度>99%。

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