2,3,4,6-tetra-O-benzyloxycarbonyl-α-D-mannopyranosyl trichloroacetimidate | 914912-56-4

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: 2,3,4,6-tetra-O-benzyloxycarbonyl-α-D-mannopyranosyl trichloroacetimidate
• 英文别名: [(2R,3S,4S,5R,6R)-3,4,5-tris(phenylmethoxycarbonyloxy)-6-(phenylmethoxycarbonyloxymethyl)oxan-2-yl] 2,2,2-trichloroethanimidate
• CAS: 914912-56-4
• 化学式: C₄₀H₃₆Cl₃NO₁₄
• 分子量: 861.083
• InChiKey: YYYAIJNBSRINLW-ZYSDIQSLSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  10.2
• 重原子数：
  58
• 可旋转键数：
  23
• 环数：
  5.0
• sp3杂化的碳原子比例：
  0.28
• 拓扑面积：
  184
• 氢给体数：
  1
• 氢受体数：
  15

反应信息

• 作为反应物：
  描述：

  2,3,4,6-tetra-O-benzyloxycarbonyl-α-D-mannopyranosyl trichloroacetimidate 、 methyl 2,3,4-tri-O-acetyl-α-D-mannopyranoside 在 三氟甲磺酸三甲基硅酯 、 4 A molecular sieve 作用下， 以 二氯甲烷 为溶剂， 以65%的产率得到methyl 2,3,4,6-tetra-O-benzyloxycarbonyl-α-D-mannopyranosyl-(1->6)-2,3,4-tri-O-acetyl-α-D-mannopyranoside
  参考文献：
  名称：

  Influence of the Benzyloxycarbonyl Protective Group on Glycosylation with Mannopyranosyl Donors

  摘要：

  The perbenzyloxycarbonylation of D-mannose, D-glucose, and D-galactose was achieved in high yield. In the mannose series, the selective removal of the anomeric benzyloxycarbonyl group followed by the activation of the anomeric position furnished, depending on the activation conditions, either a bromo glycosyl donor or a trichloroacetimidate donor. The trichloroacetimidate donor, protected by benzyloxycarbonyl groups, was used successfully for the synthesis of a disaccharide.[GRAPHICS]

  DOI：

  10.1080/07328300600859759
• 作为产物：
  描述：

  1,2,3,4,6-penta-O-benzyloxycarbonyl-D-mannopyranose 在 乙酸肼 、 sodium hydride 作用下， 以 二氯甲烷 、 乙腈 为溶剂， 反应 2.0h， 生成 2,3,4,6-tetra-O-benzyloxycarbonyl-α-D-mannopyranosyl trichloroacetimidate
  参考文献：
  名称：

  Influence of the Benzyloxycarbonyl Protective Group on Glycosylation with Mannopyranosyl Donors

  摘要：

  The perbenzyloxycarbonylation of D-mannose, D-glucose, and D-galactose was achieved in high yield. In the mannose series, the selective removal of the anomeric benzyloxycarbonyl group followed by the activation of the anomeric position furnished, depending on the activation conditions, either a bromo glycosyl donor or a trichloroacetimidate donor. The trichloroacetimidate donor, protected by benzyloxycarbonyl groups, was used successfully for the synthesis of a disaccharide.[GRAPHICS]

  DOI：

  10.1080/07328300600859759