Synthesis of the tetrasaccharide repeating unit of the O-glycan from the polar flagellum flagellin of Azospirillum brasilense Sp7

Pal Kumar Bhaskar; Mukhopadhyay Balaram

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Synthesis of the tetrasaccharide repeating unit of the O-glycan from the polar flagellum flagellin of Azospirillum brasilense Sp7

机译：从巴西细螺旋体Sp7的极鞭毛鞭毛蛋白合成O-聚糖的四糖重复单元

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Chemical synthesis of the tetrasaccharide repeating unit of the O-glycan from the polar flagellum flagellin of Azospirillum brasilense Sp7 in the form of its p-methoxyphenyl glycoside is reported. The required glycosidic linkages have been accomplished by activation of thioglycosides with N-iodosuccinimide in the presence of H2SO4-silica. H2SO4-silica was found to be an effective alternative to the classical acid promoters like TfOH or TMSOTf and it can lead to the formation of both 1,2-cis and 1,2-trans glycosidic linkages depending on the protecting group manipulation and control of the reaction condition. (C) 2014 Elsevier Ltd. All rights reserved.

机译：据报道，从巴西细螺旋体Sp7的极性鞭毛鞭毛蛋白以其对甲氧基苯基糖苷的形式化学合成了O-聚糖的四糖重复单元。通过在H 2 SO 4-二氧化硅存在下用N-碘代琥珀酰亚胺活化硫糖苷来完成所需的糖苷键。发现H2SO4-二氧化硅是经典的酸促进剂（如TfOH或TMSOTf）的有效替代物，它可以导致1,2-顺式和1,2-反式糖苷键的形成，具体取决于保护基的操纵和控制。反应条件。（C）2014 Elsevier Ltd.保留所有权利。

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《Carbohydrate research》 |2014年第null期|共5页
作者
Pal Kumar Bhaskar; Mukhopadhyay Balaram;
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正文语种 eng
中图分类有机化学;
关键词
Flagellin O-glycan; Total synthesis; H2SO4-silica;

机译：鞭毛蛋白O-聚糖;全合成;H2SO4-二氧化硅;

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1. Synthesis of the tetrasaccharide repeating unit of the O-glycan from the polar flagellum flagellin of Azospirillum brasilense Sp7 [J] . Pal Kumar Bhaskar, Mukhopadhyay Balaram Carbohydrate research . 2014,第Null期

机译：从巴西细螺旋体Sp7的极鞭毛鞭毛蛋白合成O-聚糖的四糖重复单元
2. Identification of an O-linked repetitive glycan chain of the polar flagellum flagellin of Azospirillum brasilense Sp7 [J] . Belyakov A.Y., Burygin G.L., Arbatsky N.P., Carbohydrate research . 2012,第Null期

机译：Brasilense Sp7的极鞭毛鞭毛蛋白的O-连接的重复聚糖链的鉴定。
3. Synthesis of the tetrasaccharide related to the repeating unit of the O-antigen from Azospirillum brasilense Jm125A2 in the form of its 2-aminoethyl glycoside [J] . Sarkar Vikramjit, Mukhopadhyay Balaram Carbohydrate research . 2018,第期

机译：与氮磷脂脲糖酮JM125A2以其2-氨基乙基糖苷的形式合成与抗原的重复单元相关的四糖
4. Co~(2+) interaction with Azospirillum brasilense Sp7 cells: a ~(57)Co emission Moessbauer spectroscopic study [C] . Alexander A. Kamnev, Anna V. Tugarova, Borbala Biro, International conference on the applications of the Mossbauer effect . 2012

机译：CO〜（2+）与Azospirillum Brasilense SP7细胞的相互作用：A〜（57）CO发射Moessbauer光谱研究
5. I. Microwave-influenced diversity-oriented synthesis of biologically relevant small and natural-product-like molecules via multicomponent coupling reactions. II. Synthetic studies toward the total synthesis of the repeating tetrasaccharide unit of zwitterionic polysaccharide PS A1. [D] . Santra, Soumava. 2010

机译：I.通过多组分偶联反应，微波影响生物相关的小分子和天然产物样分子的面向多样性的合成。二。对两性离子多糖PS A1的重复四糖单元进行全合成的合成研究。
6. Convergent synthesis of a tetrasaccharide repeating unit of the O-specific polysaccharide from the cell wall lipopolysaccharide of Azospirillum brasilense strain Sp7 [O] . Pintu Kumar Mandal, Debashis Dhara, Anup Kumar Misra 2014

机译：从巴西细螺旋体Sp7细胞壁脂多糖聚合合成O特异性多糖的四糖重复单元
7. Convergent synthesis of a tetrasaccharide repeating unit of the O-specific polysaccharide from the cell wall lipopolysaccharide of Azospirillum brasilense strain Sp7 [O] . Pintu Kumar Mandal, Debashis Dhara, Anup Kumar Misra 2014

机译：从azospirillum brasilense菌株sp7的细胞壁脂多糖中收集合成具有多糖特异性多糖的四糖重复单元
8. Prebiotic Synthesis of Ethylenediamine Monoacetic Acid, The Repeating Unit of Peptide Nucleic Acids [R] . Nelson, K. E. , Miller, S. L. 1992

机译：益生元合成乙二胺单乙酸，肽核酸的重复单位

Synthesis of the tetrasaccharide repeating unit of the O-glycan from the polar flagellum flagellin of Azospirillum brasilense Sp7

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