摘要/Abstract
开发了一种一步合成聚硒醚的新方法, 该材料可用于催化环己烯二羟化合成重要的化工中间体环己二醇, 是一种高效并可回收的催化剂. 有趣的是, 该材料在分子层面的独特结构, 使得相关反应以自由基机理进行, 并可使用分子氧作为部分氧化剂, 这与之前许多报道的硒催化反应有所不同.
关键词: 硒, 聚硒醚, 环己烯, 1,2-环己二醇, 绿色氧化
A new method for one-step synthesis of polyselenide was developed. The material was found to be an efficient and recyclable catalyst for the dihydroxylation of cyclohexene to produce 1,2-cyclohexanediol, which was an important inter- mediate for the synthesis of many fine chemicals. Interestingly, the unique structure of the catalyst at molecular level resulted in a novel free-radical reaction methanism allowing the utilization of O2 as the supplementary oxidant, which was quite different from most of the reported organoselenium-catalyzed reactions.
Key words: selenium, polyselenide, cyclohexene, 1,2-cyclohexanediol, green oxidation
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