Synthesis of oligosaccharide fragments of the rhamnogalacturonan of Nerium indicum

被引：11

作者：

Ma, Yuyong ^{[1
]}

Cao, Xin ^{[1
]}

Yu, Biao ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Organ Chem, State Key Lab Bioorgan & Nat Prod Chem, Shanghai 200032, Peoples R China

来源：

CARBOHYDRATE RESEARCH | 2013年 / 377卷

关键词：

Nerium indicum; Rhamnogalacturonan; L-Rhamnose; D-Galacturonic acid; Glycosylation; Glycosyl N-phenyltrifluoroacetimidates; GLYCOSYL ORTHO-ALKYNYLBENZOATES; PART; POLYSACCHARIDE; ACID; OLIGOMERS; BACKBONE; SAPONIN; DESIGN; DONORS; CHAIN;

D O I：

10.1016/j.carres.2013.05.008

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Three trisaccharides, one pentasaccharide, and one heptasaccharide, namely alpha-D-GalA-(1 -> 2)-alpha-L-Rha(1 -> 4)-beta-D-GalA-OC3H7 (1), alpha-L-Rha-(1 -> 4)-alpha-D-GalA-(1 -> 4)-beta-D-GalA-OC3H7 (2), alpha-D-GalA-(1 -> 4)-alpha-D-GalA-(1 -> 2)-alpha-L-Rha-OC3H7 (3), alpha-D-GalA-(1 -> 2)-alpha-L-Rha-(1 -> 4)-alpha-D-GalA-(1 -> 2)-alpha-L-Rha-(1 -> 4)-beta-D-GalA-OC3H7 (4), and alpha-D-GalA-(1 -> 2)-alpha-L-Rha-(1 -> 4)-alpha-D-GalA-(1 -> 2)-alpha-L-Rha-(1 -> 4)-alpha-D-GalA-(1 -> 2)-alpha-L-Rha-(1 -> 4)-beta-D-GalA-OC3H7 (5), which are relevant to the fragments of the rhamnogalacturonan of Nerium indicum, were concisely synthesized. The syntheses feature highly stereoselective formation of the alpha-D-GalA-linkage with GalA N-phenyltrifluoroacetimidates as donors. (c) 2013 Elsevier Ltd. All rights reserved.

引用

页码：63 / 74

页数：12

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