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Articles

One-pot synthesis of a 3,6-branched hexaarabinogalactan using galactopyranosyl thioglycoside diol as a key glycosylating agent

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Pages 640-647 | Received 23 Dec 2013, Accepted 17 Apr 2014, Published online: 30 May 2014
 

Abstract

We present in this paper the efficient four-component one-pot synthesis of a fully protected hexaarabinogalactan 2 with di-branched structure by using d-thiogalactopyranoside 3,6-diol 3 as the central glycosylating agent. After global deprotection, 2 was converted into the 3-aminopropyl linker-containing free oligosaccharide 1 that is structurally related to ALR-5IIa-1-1, an arabino-3,6-galactan with intestinal immune system modulating activity.

Acknowledgment

Financial support from the NSFC (81373381) is highly appreciated.

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