硫醚水相催化氧化研究进展

Recent progress on selective catalytic oxidation of sulfides in aqueous phase

硫醚催化氧化制备亚砜和砜是有机合成中的一类重要反应。水作为一种廉价安全的绿色溶剂,在硫醚催化氧化反应中备受青睐。主要针对硫醚水相催化氧化反应中的重要金属基催化剂和有机酸催化剂的研究进行综述。在水相体系中,铁和锰等金属基催化剂、多金属氧酸盐及有机酸催化剂在硫醚催化氧化反应中均有良好的催化性能,多数硫醚类化合物转化率和选择性均达到90%以上。最后展望了硫醚水相催化氧化的发展方向,指出以来源广泛的O_2为氧化剂将是未来实现工业化应用的发展趋势。

Catalytic oxidation of sulfides to sulfoxides and sulfones is important reaction in organic synthesis.As cheap and safe green solvent,water is favored in the catalytic oxidation of sulfides.The review mainly introduced the research progress of metal-based catalysts and organic acid catalysts in aqueous catalytic oxidation of sulfides.It was found that in aqueous phase system,metal-based catalysts,such as iron and manganese,polyoxometalates(POMs) and organic acid catalysts exhibited high catalytic performance.Conversion and selectivity of most sulfides reached over 90%.Finally,develop direction of aqueous phase catalytic oxidation of sulfides was prospected.O 2 which would be obtained from a variety of sources might be the development trend of industrial application in the future.