Efficient isomerization of methyl arabinofuranosides into corresponding arabinopyranosides in presence of pyridine
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- 作者：Sunchu Prabhakara ; Loï ; c Lemiè ; grea ; Thierry Benvegnua ; Srinivas Hothab ; Vincent Ferriè ; resa ; Laurent Legentila ; laurent.legentil@ensc-rennes.fr" class="auth_mail" title="E-mail the corresponding author
- 关键词：Fisher glycosylation ; Methyl pentosides ; Isomerization
- 刊名：Carbohydrate Research
- 出版年：2016
- 出版时间：4 October 2016
- 年：2016
- 卷：433
- 期：Complete
- 页码：63-66
- 全文大小：520 K
文摘
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Selective synthesis of methyl β-D-arabinopyranoside from arabinose is described with pyridine as promotor of glycosylation.
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Kinetics of the reaction is described as well as a putative mechanism where pyridine acts as a nucleophile.
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Extension to other pentoses, lyxose, xylose and ribose was performed with good yields and selectivity.