BrOnsted Acids of Anionic Chiral Cobalt(III) Complexes as Catalysts for the Iodoglycosylation or Iodocarboxylation of Glycals
文献类型： 外文期刊
作者： Wang, Rui 1 ; Wu, Wen-Qiang 1 ; Li, Na 1 ; Shen, Jia 2 ; Liu, Kun 1 ; Yu, Jie 1 ;
作者机构： 1.Anhui Agr Univ, Dept Appl Chem, Hefei 230036, Anhui, Peoples R China
2.Anhui Acad Agr Sci, Tobacco Res Inst, Hefei 230031, Anhui, Peoples R China
关键词： BrOnsted acids; phase-transfer catalysis; iodoglycosylation; iodocarboxylation; glycals
期刊名称：SYNLETT （ 影响因子：2.454； 五年影响因子：2.136 ）
ISSN： 0936-5214
年卷期： 2019 年 30 卷 9 期
页码：
收录情况： SCI
摘要： BrOnsted acids of anionic chiral Co(III) complexes were found to act as efficient phase-transfer catalysts for the diastereoselective iodoglycosylation or iodocarboxylation of glycals with a variety of alcohols or carboxylic acids, respectively, with N -iodosuccinimide as the iodo cation source. The corresponding 2-deoxy-2-iodoglycosides, including monosaccharides and disaccharides, and 2-deoxy-2-iodoglycosyl carboxylates, which are of high synthetic and biological importance, were obtained in high yields (up to 88%) with good diastereoselectivities (up to 9:1 dr).
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