Nα-fluorenylmethoxycarbonyl-Nβ-β-D-galactopyranosyl-L-aspargine | 141045-84-3

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: Nα-fluorenylmethoxycarbonyl-Nβ-β-D-galactopyranosyl-L-aspargine
• 英文别名: N^α-fluorenylmethoxycarbonyl-N^β-β-D-galactopyranosyl-L-aspargine
• CAS: 141045-84-3
• 化学式: C₂₅H₂₈N₂O₁₀
• 分子量: 516.505
• InChiKey: WTRCVJXQENBNRW-BOOPKXOPSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -0.72
• 重原子数：
  37.0
• 可旋转键数：
  8.0
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.4
• 拓扑面积：
  194.88
• 氢给体数：
  7.0
• 氢受体数：
  9.0

反应信息

• 作为产物：
  描述：

  Nα-fluorenylmethoxycarbonyl-Nβ-β-D-galactopyranosyl-L-aspargine tert-butyl ester 在 三氟乙酸 作用下， 反应 0.33h， 生成 Nα-fluorenylmethoxycarbonyl-Nβ-β-D-galactopyranosyl-L-aspargine
  参考文献：
  名称：

  Fmoc-protected, glycosylated asparagines potentially useful as reagents in the solid-phase synthesis of N-glycopeptides

  摘要：

  I-Amino 1-deoxy derivatives of unprotected O-beta-D-galactopyranosyl-(1 --> 3)-2-acetamido-2-deoxy-beta-D-glucopyranose, 2-acetamido-2-deoxy-D-galactose, D-galactose, lactose, D-fucose, D-mannose, and 2-deoxy-D-arabino-hexose were prepared and acylated with N-fluorenylmethoxycarbonylaspartic acid alpha-tert-butyl ester. The anomeric configuration of the N-glycosyl bond (including that of the mannose derivative) in each of the purified compounds was shown to be beta. The probable stability of the N-glycosyl and glycosidic bonds during the conditions of solid-phase peptide synthesis was investigated by treatment of the glycosylated asparagine derivatives with different concentrations of trifluoroacetic acid. Based on their stability, we found that Fmoc-Asn(sugar)-OH derivatives are excellent candidates for automated synthesis of biologically active glycopeptides.

  DOI：

  10.1016/0008-6215(92)80080-k