methyl 2,3,4-tri-O-benzyl-6-O-(2,3,4-tri-O-benzyl-α-D-mannopyranosyl)-α-D-mannopyranoside | 634613-20-0

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: methyl 2,3,4-tri-O-benzyl-6-O-(2,3,4-tri-O-benzyl-α-D-mannopyranosyl)-α-D-mannopyranoside
• 英文别名: Bn(-2)[Bn(-3)][Bn(-4)]Man(a1-6)[Bn(-2)][Bn(-3)][Bn(-4)]a-Man1Me；[(2R,3R,4S,5S,6S)-6-[[(2R,3R,4S,5S,6S)-6-methoxy-3,4,5-tris(phenylmethoxy)oxan-2-yl]methoxy]-3,4,5-tris(phenylmethoxy)oxan-2-yl]methanol
• CAS: 634613-20-0
• 化学式: C₅₅H₆₀O₁₁
• 分子量: 897.075
• InChiKey: BWEYUPJLUVTHLY-ZVZZRAMRSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  7.4
• 重原子数：
  66
• 可旋转键数：
  23
• 环数：
  8.0
• sp3杂化的碳原子比例：
  0.35
• 拓扑面积：
  113
• 氢给体数：
  1
• 氢受体数：
  11

反应信息

• 作为反应物：
  描述：

  methyl 2,3,4-tri-O-benzyl-6-O-(2,3,4-tri-O-benzyl-α-D-mannopyranosyl)-α-D-mannopyranoside 、 phenyl 2-O-acetyl-3,4,6-tri-O-benzyl-1-thio-α-D-mannopyranoside 在 N-碘代丁二酰亚胺 、 三氟甲磺酸三甲基硅酯 作用下， 以 二氯甲烷 为溶剂， 以85%的产率得到methyl 6-O-(6-O-(2-O-acetyl-3,4,6-tri-O-benzyl-D-mannopyranosyl)-2,3,4-tri-O-benzyl-α-D-mannopyranosyl)-2,3,4-tri-O-benzyl-α-D-mannopyranoside
  参考文献：
  名称：

  Sonication-Assisted Oligomannoside Synthesis

  摘要：

  We have investigated the use of sonication for the synthesis of oligomannosides. A convenient sonication-mediated glycosylation protocol that is applicable to traditional glycosylation methods has been developed. This protocol can be applicable for activating glycosyl donors that are known to have low reactivity which enable the synthesis of oligomannosides of particular biological interest with the same efficiency.

  DOI：

  10.1021/jo8019835
• 作为产物：
  描述：

  methyl 6-O-(6-O-acetyl-2,3,4-tri-O-benzyl-α-D-mannopyranosyl)-2,3,4-tri-O-benzyl-α-D-mannopyranoside 在 甲醇 、 sodium methylate 、 Amberlite IR-120 作用下， 以 二氯甲烷 、 甲醇 为溶剂， 反应 1.0h， 以81%的产率得到methyl 2,3,4-tri-O-benzyl-6-O-(2,3,4-tri-O-benzyl-α-D-mannopyranosyl)-α-D-mannopyranoside
  参考文献：
  名称：

  Sonication-Assisted Oligomannoside Synthesis

  摘要：

  We have investigated the use of sonication for the synthesis of oligomannosides. A convenient sonication-mediated glycosylation protocol that is applicable to traditional glycosylation methods has been developed. This protocol can be applicable for activating glycosyl donors that are known to have low reactivity which enable the synthesis of oligomannosides of particular biological interest with the same efficiency.

  DOI：

  10.1021/jo8019835

文献信息

• Binding Evaluation of Pradimicins for Oligomannose Motifs from Fungal Mannans
  作者：Yu Nakagawa、Fumiya Yamaji、Wataru Miyanishi、Makoto Ojika、Yasuhiro Igarashi、Yukishige Ito

  DOI：10.1246/bcsj.20200305

  日期：2021.3.15

  Pradimicins (PRMs) are a unique family of natural products that exhibit antifungal activity via binding to cell wall mannans of fungi. Although their mannan-targeted antifungal action has attracted considerable interest, there is still only limited knowledge as to how PRMs bind to mannans. In this study, we evaluated the relative binding affinity of PRMs for synthetic oligomannoses, which reflect the

  Pradimicins（PRMs）是独特的天然产物家族，通过与真菌的细胞壁甘露聚糖结合，具有抗真菌活性。尽管以甘露聚糖为目标的抗真菌作用引起了极大的兴趣，但关于PRM如何与甘露聚糖结合的知识仍然有限。在这项研究中，我们评估了PRM对合成寡甘露糖的相对结合亲和力，反映了白色念珠菌细胞壁甘露聚糖的结构基序特征。。两种互补结合测定法显示，PRM对于非还原端带有多个甘露糖残基的分支寡甘露糖基序具有强烈的偏好。另外，发现低聚甘露糖模拟物（其中两个甘露糖被聚乙二醇间隔基桥接）在两种测定法中的行为类似于两分支的低聚甘露糖。这些结果表明，通过同时识别多个末端甘露糖残基，PRMs优先结合真菌甘露聚糖的高度分支区域。
• Catalytic Orthogonal Glycosylation Enabled by Enynal‐Derived Copper Carbenes
  作者：Surya Pratap Singh、Bidhan Ghosh、Indrajeet Sharma

  DOI：10.1002/adsc.202301207

  日期：2024.4.23

  earth-abundant copper carbenes. This method operates under mild conditions and employs readily accessible starting materials, including benchtop stable enynal-derived glycosyl donors, synthesized at the gram scale. The reaction accommodates a variety of glycosyl acceptors, including primary, secondary, and tertiary alcohols. The enynal-derived copper carbenes exhibit remarkable reactivity and selectivity

  在此，我们提出了一种利用地球上丰富的铜卡宾进行催化正交糖基化的方法。该方法在温和条件下操作，并采用易于获得的起始材料，包括以克级合成的台式稳定的烯醛衍生糖基供体。该反应适合多种糖基受体，包括伯醇、仲醇和叔醇。烯醛衍生的铜卡宾表现出显着的反应性和选择性，允许与不同的保护基团和立体化学模式形成糖苷键。该方法提供了对 1,2-顺式和 1,2-反式糖苷键的访问。产物的立体选择性与糖基供体的异头构型无关，其也与广泛使用的炔烃和硫代糖苷供体具有正交反应性。三糖的迭代合成进一步证明了这种正交反应性的应用。
• Sonication-Assisted Oligomannoside Synthesis
  作者：Christabel T. Tanifum、Cheng-Wei T. Chang

  DOI：10.1021/jo8019835

  日期：2009.1.16

  We have investigated the use of sonication for the synthesis of oligomannosides. A convenient sonication-mediated glycosylation protocol that is applicable to traditional glycosylation methods has been developed. This protocol can be applicable for activating glycosyl donors that are known to have low reactivity which enable the synthesis of oligomannosides of particular biological interest with the same efficiency.