dodecyl 3-O-acetyl-2-deoxy-2-(4,5-dichlorophthalimido)-4,6-O-(4-methoxybenzylidene)-1-thio-β-D-glucopyranoside | 304453-36-9

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 异吲哚及其衍生物
• 英文名称: dodecyl 3-O-acetyl-2-deoxy-2-(4,5-dichlorophthalimido)-4,6-O-(4-methoxybenzylidene)-1-thio-β-D-glucopyranoside
• CAS: 304453-36-9
• 化学式: C₃₆H₄₅Cl₂NO₈S
• 分子量: 722.727
• InChiKey: MVHSESNWXBKISK-RRZZIRSSSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  8.39
• 重原子数：
  48.0
• 可旋转键数：
  16.0
• 环数：
  5.0
• sp3杂化的碳原子比例：
  0.58
• 拓扑面积：
  100.6
• 氢给体数：
  0.0
• 氢受体数：
  9.0

反应信息

• 作为反应物：
  描述：

  dodecyl 3-O-acetyl-2-deoxy-2-(4,5-dichlorophthalimido)-4,6-O-(4-methoxybenzylidene)-1-thio-β-D-glucopyranoside 在 三甲基氯硅烷 、 3 A molecular sieve 、 sodium cyanoborohydride 作用下， 以 四氢呋喃 、 乙腈 为溶剂， 反应 2.0h， 以80%的产率得到dodecyl 3-O-acetyl-2-deoxy-2-(4,5-dichlorophthalimido)-4-O-(4-methoxybenzyl)-1-thio-β-D-glucopyranoside
  参考文献：
  名称：

  A Catalytic and Stereoselective Glycosylation withβ-Glycosyl Fluorides

  摘要：

  A catalytic and stereoselective glycosylation of several glycosyl accepters with beta-D-glycosyl fluoride was successfully performed in the presence of a catalytic amount of trityl tetrakis(pentafluorophenyl)borate (TrB(C6F5)(4)) or trifluoromethanesulfonic acid (TfOH). When TrB(C6F5)(4) was used as a catalyst in the solvent pivalonitrile/(trifluoromethyl)benzene 1:5, the glycosylation proceeded smoothly to afford the glycosides in high yields with high beta-D-stereoselectivities (see Table 3). Further, the glycosylation by the armed-disarmed strategy in the presence of this catalyst was established (see Table 4). Similarly, glycosylation catalyzed by the strong protic acid TfOH afforded the corresponding beta-D-glycosides in good-to-excellent yields on treating beta-D-glycosyl fluorides having a 2-O-benzoyl group with various glycosyl accepters including thioglycosides (see Tables 6 and 7).

  DOI：

  10.1002/1522-2675(20000809)83:8<1901::aid-hlca1901>3.0.co;2-q
• 作为产物：
  描述：

  1-acetoxy-3,4,6-tri-O-acetyl-2-deoxy-2-(4,5-dichlorophthalimido)-β-D-glucopyranoside 在 吡啶 、 4-二甲氨基吡啶 、 camphor-10-sulfonic acid 、 三氟化硼乙醚 、 sodium methylate 作用下， 以 甲醇 、 二氯甲烷 、 N,N-二甲基甲酰胺 为溶剂， 20.0 ℃ 、2.67 kPa 条件下， 反应 41.5h， 生成 dodecyl 3-O-acetyl-2-deoxy-2-(4,5-dichlorophthalimido)-4,6-O-(4-methoxybenzylidene)-1-thio-β-D-glucopyranoside
  参考文献：
  名称：

  A Catalytic and Stereoselective Glycosylation withβ-Glycosyl Fluorides

  摘要：

  A catalytic and stereoselective glycosylation of several glycosyl accepters with beta-D-glycosyl fluoride was successfully performed in the presence of a catalytic amount of trityl tetrakis(pentafluorophenyl)borate (TrB(C6F5)(4)) or trifluoromethanesulfonic acid (TfOH). When TrB(C6F5)(4) was used as a catalyst in the solvent pivalonitrile/(trifluoromethyl)benzene 1:5, the glycosylation proceeded smoothly to afford the glycosides in high yields with high beta-D-stereoselectivities (see Table 3). Further, the glycosylation by the armed-disarmed strategy in the presence of this catalyst was established (see Table 4). Similarly, glycosylation catalyzed by the strong protic acid TfOH afforded the corresponding beta-D-glycosides in good-to-excellent yields on treating beta-D-glycosyl fluorides having a 2-O-benzoyl group with various glycosyl accepters including thioglycosides (see Tables 6 and 7).

  DOI：

  10.1002/1522-2675(20000809)83:8<1901::aid-hlca1901>3.0.co;2-q