3-hydroxy-2,3-dihydro-2-(4'-methyl-o-nitrophenyl)isoindol-1-one | 813468-84-7

• 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: 3-hydroxy-2,3-dihydro-2-(4'-methyl-o-nitrophenyl)isoindol-1-one
• 英文别名: 3-hydroxy-2-(4-methyl-2-nitrophenyl)-3H-isoindol-1-one
• CAS: 813468-84-7
• 化学式: C₁₅H₁₂N₂O₄
• 分子量: 284.271
• InChiKey: KHRODDNZLHYNBU-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.55
• 重原子数：
  21.0
• 可旋转键数：
  2.0
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.13
• 拓扑面积：
  83.68
• 氢给体数：
  1.0
• 氢受体数：
  4.0

反应信息

• 作为反应物：
  描述：

  3-hydroxy-2,3-dihydro-2-(4'-methyl-o-nitrophenyl)isoindol-1-one 在 sodium tetrahydroborate 、 盐酸 、 air 作用下， 以 甲醇 、 乙醇 为溶剂， 反应 2.17h， 以63%的产率得到7-methyl-11-oxoisoindolo[2,1-a]benzimidazole
  参考文献：
  名称：

  Kinetic versus thermodynamic access to imidazoisoindolones, benzimidazoisoindolones, and [1,4]diazepinoisoindolones: intramolecular nitrogen and π-aromatic trapping of N-acyliminium cation

  摘要：

  Efficient assembly of substituted imidazo[2,1-a]isoindolones I is reported from suitable alpha,beta-diamine IV (or corresponding (beta-nitroamine) and phthalic anhydride (1) in a three- or four-step sequence in good yields. The key step of this methodology is based on an intramolecular alpha-aza-amidoalkylation of the N-acyliminium species. Furthermore, when R-2 is an aromatic moiety a competing alpha-amidoalkylation took place and imidazo[2,1-a]isoindolones (or benzimidazo[2,1-a]isoindolones) I and/or isoindolo[1,4]benzodiazepines III were obtained under kinetic or thermodynamic control. The chemoselectivity of these transformations is also discussed. (C) 2004 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tet.2004.07.107
• 作为产物：
  描述：

  4-甲基-2-硝基苯胺 在 sodium tetrahydroborate 、 溶剂黄146 作用下， 以 甲醇 为溶剂， 反应 26.08h， 生成 3-hydroxy-2,3-dihydro-2-(4'-methyl-o-nitrophenyl)isoindol-1-one
  参考文献：
  名称：

  Kinetic versus thermodynamic access to imidazoisoindolones, benzimidazoisoindolones, and [1,4]diazepinoisoindolones: intramolecular nitrogen and π-aromatic trapping of N-acyliminium cation

  摘要：

  Efficient assembly of substituted imidazo[2,1-a]isoindolones I is reported from suitable alpha,beta-diamine IV (or corresponding (beta-nitroamine) and phthalic anhydride (1) in a three- or four-step sequence in good yields. The key step of this methodology is based on an intramolecular alpha-aza-amidoalkylation of the N-acyliminium species. Furthermore, when R-2 is an aromatic moiety a competing alpha-amidoalkylation took place and imidazo[2,1-a]isoindolones (or benzimidazo[2,1-a]isoindolones) I and/or isoindolo[1,4]benzodiazepines III were obtained under kinetic or thermodynamic control. The chemoselectivity of these transformations is also discussed. (C) 2004 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tet.2004.07.107