[α-D-xylopyranosyl-(1->6)]-β-D-glucopyranosyl-(1->4)-[ β-D-galactopyranosyl-(1->2)-α-D-xylopyranosyl-(1->6)]-β-D-glucopyranosyl-(1->4)-[β-D-galactopyranosyl-(1->2)-α-D-xylopyranosyl-(1->6)]-β-D-glucopyranosyl-(1->4)-α-D-glucopyranosyl fluoride | 1002354-74-6

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: [α-D-xylopyranosyl-(1->6)]-β-D-glucopyranosyl-(1->4)-[ β-D-galactopyranosyl-(1->2)-α-D-xylopyranosyl-(1->6)]-β-D-glucopyranosyl-(1->4)-[β-D-galactopyranosyl-(1->2)-α-D-xylopyranosyl-(1->6)]-β-D-glucopyranosyl-(1->4)-α-D-glucopyranosyl fluoride
• CAS: 1002354-74-6
• 化学式: C₅₁H₈₅FO₄₂
• 分子量: 1389.21
• InChiKey: QCMKXGBUAIDOGL-CEDXMTSKSA-N

反应信息

• 作为产物：
  描述：

  [(2,3,4-tri-O-acetyl-α-D-xylopyranosyl)-(1->6)]-(2,3,4-tri-O-acetyl-β-D-glucopyranosyl)-(1->4)-[(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1->2)-(3,4-di-O-acetyl-α-D-xylopyranosyl)-(1->6)]-(2,3-di-O-acetyl-β-D-glucopyranosyl)-(1->4)-[(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1->2)-(3,4-di-O-acetyl-α-D-xylopyranosyl)-(1->6)]-(2,3-di-O-acetyl-β-D-glucopyranosyl)-(1->4)-2,3,6-tri-O-acetyl-α-D-glucopyranosyl fluoride 在 甲醇 、 sodium methylate 作用下， 以93%的产率得到[α-D-xylopyranosyl-(1->6)]-β-D-glucopyranosyl-(1->4)-[ β-D-galactopyranosyl-(1->2)-α-D-xylopyranosyl-(1->6)]-β-D-glucopyranosyl-(1->4)-[β-D-galactopyranosyl-(1->2)-α-D-xylopyranosyl-(1->6)]-β-D-glucopyranosyl-(1->4)-α-D-glucopyranosyl fluoride
  参考文献：
  名称：

  Chemo-enzymatic synthesis of xylogluco-oligosaccharides and their interactions with cellulose

  摘要：

  A novel class of complex oligosaccharides with a backbone made of twelve beta-(1 -> 4)-D-glucosyl units that may be regularly substituted on their primary position with alpha-D-xylosyl or beta-D-(1 -> 2)-galactosyl-alpha-D-xylosyl residues were readily synthesized using enzymatic hydrolysis of the plant polysaccharide xyloglucan (XG), followed by chemical modifications of the well-defined oligosaccharides and their enzymatic coupling catalyzed by the Cel7B E197A glycosynthase from Humicola insolens. These complex oligosaccharides proved useful for a better understanding of the effects of structural variation of xyloglucan on interactions with bacterial microcrystalline cellulose (BMCC). (C) 2011 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.carbpol.2011.11.085