α-methyl-5-N-carbomethoxyamino-3,5-dideoxy-β-D-glycero-D-galacto-2-nonulopyranosidonic acid | 1054653-62-1

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: α-methyl-5-N-carbomethoxyamino-3,5-dideoxy-β-D-glycero-D-galacto-2-nonulopyranosidonic acid
• 英文别名: O-methyl-5-N-methoxycarbonyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonic acid；(2R,4S,5R,6R)-4-hydroxy-2-methoxy-5-(methoxycarbonylamino)-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid
• CAS: 1054653-62-1
• 化学式: C₁₂H₂₁NO₁₀
• 分子量: 339.299
• InChiKey: XDHVEPKMCUIGCM-GZCBOBJYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -2.5
• 重原子数：
  23
• 可旋转键数：
  7
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.83
• 拓扑面积：
  175
• 氢给体数：
  6
• 氢受体数：
  10

反应信息

• 作为反应物：
  描述：

  α-methyl-5-N-carbomethoxyamino-3,5-dideoxy-β-D-glycero-D-galacto-2-nonulopyranosidonic acid 在 氢氧化钾 、 正丁醇 作用下， 生成 α-O-methyl-neuraminic acid
  参考文献：
  名称：

  流感病毒对血凝的潜在抑制剂的合成：N-乙酰神经氨酸N-5类似物的化学酶制剂。

  摘要：

  描述了向神经氨酸2的化学酶途径。该方法基于由Neu5Ac醛缩酶催化的N-碳代苯甲氧基甘露糖胺（ManCBz）3到N-碳代苯并神经氨酸（Neu5CBz）4的转化。Neu5CBz 4转化为α-甲基糖苷8并脱保护得到游离胺2。此过程已按比例放大以生成10克数量的2。的N-酰化2产生几个新的N-酰基神经氨酸类似物; 在血凝抑制试验（HAI）中，已将它们评估为流感病毒与鸡红细胞粘附的抑制剂。神经氨酸2的这种制备 与其他文献程序进行比较。

  DOI：

  10.1016/s0040-4020(01)80502-0
• 作为产物：
  描述：

  在 甲醇 、 sodium hydroxide 、 sodium 、 silver salicylate 作用下， 反应 14.0h， 生成 α-methyl-5-N-carbomethoxyamino-3,5-dideoxy-β-D-glycero-D-galacto-2-nonulopyranosidonic acid
  参考文献：
  名称：

  流感病毒对血凝的潜在抑制剂的合成：N-乙酰神经氨酸N-5类似物的化学酶制剂。

  摘要：

  描述了向神经氨酸2的化学酶途径。该方法基于由Neu5Ac醛缩酶催化的N-碳代苯甲氧基甘露糖胺（ManCBz）3到N-碳代苯并神经氨酸（Neu5CBz）4的转化。Neu5CBz 4转化为α-甲基糖苷8并脱保护得到游离胺2。此过程已按比例放大以生成10克数量的2。的N-酰化2产生几个新的N-酰基神经氨酸类似物; 在血凝抑制试验（HAI）中，已将它们评估为流感病毒与鸡红细胞粘附的抑制剂。神经氨酸2的这种制备 与其他文献程序进行比较。

  DOI：

  10.1016/s0040-4020(01)80502-0

文献信息

• Design, Synthesis, and Evaluation of <i>N</i>-Acyl Modified Sialic Acids as Inhibitors of Adenoviruses Causing Epidemic Keratoconjunctivitis
  作者：Susanne Johansson、Emma Nilsson、Weixing Qian、Delphine Guilligay、Thibaut Crepin、Stephen Cusack、Niklas Arnberg、Mikael Elofsson

  DOI：10.1021/jm801609s

  日期：2009.6.25

  The adenovirus serotype Ad37 binds to and infects human corneal epithelial (HCE) cells through attachment to cellular glycoproteins carrying terminal sialic acids. By use of the crystallographic structure of the sialic acid-interacting domain of the Ad37 fiber protein in complex with sialyllactose, a set of N-acyl modified sialic acids were designed to improve binding affinity through increased hydrophobic interactions. These N-acyl modified sialic acids and their corresponding multivalent human serum albumin (HSA) conjugates were synthesized and tested in Ad37 cell binding and cell infectivity assays. Compounds bearing small substituents were as effective inhibitors as sialic acid. X-ray crystallography and overlays with the Ad37-sialyllactose complex showed that the N-acyl modified sialic acids were positioned in the same orientation as sialic acid. Their multivalent counterparts achieved a strong multivalency effect and were more effective to prevent infection than the monomers. Unfortunately, they were less active as inhibitors than multivalent sialic acid.
• Synthesis of potential inhibitors of hemagglutination by influenza virus: chemoenzymic preparation of N-5 analogs of N-acetylneuraminic acid.
  作者：Michelle A. Sparks、Kevin W. Williams、Christine Lukacs、Andreas Schrell、Gregory Priebe、Andreas Spaltenstein、George M. Whitesides

  DOI：10.1016/s0040-4020(01)80502-0

  日期：1993.1

  A chemoenzymic route to neuraminic acid 2 is described. This method is based on conversion of N-carbobenzoxymannosamine (ManCBz) 3 to N-carbobenzoxyneuraminic acid (Neu5CBz) 4, catalyzed by Neu5Ac aldolase. The Neu5CBz 4 was converted to the α-methyl glycoside 8 and deprotected to afford the free amine 2. This procedure has been scaled up to generate 10-gram quantities of 2. N-Acylation of 2 produced

  描述了向神经氨酸2的化学酶途径。该方法基于由Neu5Ac醛缩酶催化的N-碳代苯甲氧基甘露糖胺（ManCBz）3到N-碳代苯并神经氨酸（Neu5CBz）4的转化。Neu5CBz 4转化为α-甲基糖苷8并脱保护得到游离胺2。此过程已按比例放大以生成10克数量的2。的N-酰化2产生几个新的N-酰基神经氨酸类似物; 在血凝抑制试验（HAI）中，已将它们评估为流感病毒与鸡红细胞粘附的抑制剂。神经氨酸2的这种制备 与其他文献程序进行比较。