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Facile O-glycosylation of glycals using Glu-Fe3O4-SO3H, a magnetic solid acid catalyst

机译:使用Glu-Fe3O4-So3H,磁性固体酸催化剂容易解糖糖基化族化合物

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A new glucose derived magnetic solid acid catalyst (Glu-Fe _(3) O _(4) -SO _(3) H) was synthesized in a convenient and ecofriendly manner and well characterized using FTIR, PXRD, EDAX, SEM, and XPS which showed the presence of Fe _(3) O _(4) embedded on the surface of the catalyst along with –SO _(3) H, –OH and –COOH functional groups. This new heterogeneous catalyst was studied for synthesis of 2-deoxy galactosides/glucosides with good yields and selectivity. Moreover, the catalyst can be easily separated from the reaction with an external magnetic force and reused for a minimum of four times without any significant decrease in the yields of the products after every recycle.
机译:一种新的葡萄糖衍生的磁性固体酸催化剂(Glu-Fe _(3)o _(4)-SO _(3)H)以方便和生态的方式合成,并使用FTIR,PXRD,edax,SEM和XPS显示出嵌入催化剂表面的Fe _(3)O _(4)的存在以及-SO _(3)H,-OH和-COOH官能团。研究了这种新的异质催化剂,用于合成2-脱氧半乳糖胺/葡糖苷,良好的产率和选择性。另外,催化剂可以容易地与外部磁力与反应分离,并重复使用至少四次,而每次循环后产量的产率没有任何显着降低。

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