Protecting groups in carbohydrate chemistry: influence on stereoselectivity of glycosylations.

Protecting groups in carbohydrate chemistry: influence on stereoselectivity of glycosylations.
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碳水化合物化学中的保护基团:对糖基化立体选择性的影响

DOI:
10.3390/molecules15107235
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发表时间:
2010-10-20
期刊:
Molecules (Basel, Switzerland)
影响因子:
--
通讯作者:
Ye XS
Ye XS
中科院分区:
其他
文献类型:
--
作者:
Guo J;Ye XS

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甘精酰胺是多羟基化合物,其合成需要复杂的保护基团操作。保护基通常用于暂时掩盖可能干扰某些反应的官能团,但碳水化合物化学中的保护基比保护基通常做得更多。特别是,保护基可以直接或间接地参与反应,从而影响立体化学结果,这对于寡糖的合成是重要的。在此,我们概述了影响糖基化反应立体选择性的保护基的最新进展,包括参与的保护基和一般的构象限制保护基。
Saccharides are polyhydroxy compounds, and their synthesis requires complex protecting group manipulations. Protecting groups are usually used to temporarily mask a functional group which may interfere with a certain reaction, but protecting groups in carbohydrate chemistry do more than protecting groups usually do. Particularly, protecting groups can participate in reactions directly or indirectly, thus affecting the stereochemical outcomes, which is important for synthesis of oligosaccharides. Herein we present an overview of recent advances in protecting groups influencing stereoselectivity in glycosylation reactions, including participating protecting groups, and conformation-constraining protecting groups in general.
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