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催化学报  2014 

氢键的协同作用驱动水中苯甲醛的合成

DOI: 10.1016/S1872-2067(14)60056-5, PP. 590-598

Keywords: 纤维素功能化β-环糊精,氢键,底物专一性,肉桂醛氧化,苯甲醛

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Abstract:

?以环氧氯丙烷作为交联溶剂合成和表征了纤维素功能化的β-环糊精,考察了这种超分子聚合物作为一种多相催化剂用于苯甲醛的合成的催化性能.结果表明,该催化剂在温和的反应条件下具有较高的催化活性和选择性,容易恢复和重新利用,且活性没有大的损失.进一步研究指出,β-环糊精聚合物中的b-环糊精能通过非极性共价键与肉桂醛形成主客包结物,此外,β-环糊精和纤维素的功能基团能与肉桂醛通过O-H…O的氢键形成多重氢键的相互作用,这种氢键的协同作用明显提高了催化剂的性能.

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