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phenyl (2,3,6-tri-O-acetyl-4-deoxy-4-fluoro-β-D-galactopyranosyl)-(1->4)-2-deoxy-6-O-pivaloyl-3-O-acetyl-2-phthalimido-1-thio-β-D-glucopyranoside | 635301-79-0

中文名称
——
中文别名
——
英文名称
phenyl (2,3,6-tri-O-acetyl-4-deoxy-4-fluoro-β-D-galactopyranosyl)-(1->4)-2-deoxy-6-O-pivaloyl-3-O-acetyl-2-phthalimido-1-thio-β-D-glucopyranoside
英文别名
——
phenyl (2,3,6-tri-O-acetyl-4-deoxy-4-fluoro-β-D-galactopyranosyl)-(1->4)-2-deoxy-6-O-pivaloyl-3-O-acetyl-2-phthalimido-1-thio-β-D-glucopyranoside化学式
CAS
635301-79-0
化学式
C39H44FNO15S
mdl
——
分子量
817.84
InChiKey
DNBSVXYPWBQPEY-GZJQBRSBSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

计算性质

  • 辛醇/水分配系数(LogP):
    3.56
  • 重原子数:
    57.0
  • 可旋转键数:
    12.0
  • 环数:
    5.0
  • sp3杂化的碳原子比例:
    0.51
  • 拓扑面积:
    196.57
  • 氢给体数:
    0.0
  • 氢受体数:
    16.0

反应信息

  • 作为反应物:
    参考文献:
    名称:
    Synthesis of Fluorine-Containing Core-2 Tetrasaccharides
    摘要:
    描述了合成核心-2分支四糖 1-3,其中在半乳糖残基的 3 位或 4 位上替代了一个氟原子。准备了糖苷亚胺 13 和 19,并用于提供新型糖苷二糖供体 15 和 21。受体 7 与糖苷溴化物 6 的偶联提供了一种二糖,进一步转化为二糖受体 8。受体 14 与供体 13 的偶联,以及受体 20 与供体 19 的偶联,分别提供了二糖,转化为二糖供体 15 和 21。使用供体 9、15 和 21 对受体 8 和 16 进行区域选择性糖苷化,分别提供四糖 10、17 和 22,随后系统性去保护为目标 1-3。
    DOI:
    10.1055/s-2003-40342
  • 作为产物:
    参考文献:
    名称:
    Synthesis of Fluorinated Mucin Core 2 Branched Oligosaccharides with the Potential of Novel Substrates and Enzyme Inhibitors for Glycosyltransferases and Sulfotransferases
    摘要:
    Syntheses of fluorinated mucin core 2 tri- and tetrasaccharides modified at the C-3 or C-4 position of the pertinent galactose residue are reported. These compounds were used for the study of sialyltransferases and 3-O-sulfotransferases involved in the biosynthesis of O-glycans. Our acceptor substrate specificity studies on three cloned sialyltransferases (Sia-Ts) revealed that a 3- or 4-fluoro substituent in, beta 1,4Gal resulted in poor acceptors for alpha 2,6(N)Sia-T and alpha 2,3(N)Sia-T, whereas 4-fluoro-Gal,beta 1,3GalNAc alpha was a good acceptor for alpha 2,3(O)Sia-T. Uniquely, 4-F-Gal,beta 1,4GlcNAc,beta 1,6(Gal,beta 1,3)GalNAc alpha-OBn was an inhibitor of alpha 2,6(N)Sia-T activity but not alpha 2,3(N)Sia-T activity. Further we found that the activities of only Gal 3-O-sulfotransferases and not sialyltransferases were adversely affected by a C-3 fluoro substituent at the other Gal terminal of mucin core 2. The strategy of building branched mucin core 2 structures by three glycosidation sequence coupling three classes of glycosyl donors with the reactivity-matching acceptors proved to be successful in syntheses of modified mucin-type core structures of O-glycan. The relative poor yields of the glycosylations using fluorinated galactosyl donors indicated that the fluorine modification dramatically decreased the donor reactivity due to electron-withdrawing effect.
    DOI:
    10.1021/jo052626j
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