3-(2-methylpropyl)-5-nitroisocoumarin | 1450605-74-9

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 异香豆素及其衍生物
• 英文名称: 3-(2-methylpropyl)-5-nitroisocoumarin
• CAS: 1450605-74-9
• 化学式: C₁₃H₁₃NO₄
• 分子量: 247.251
• InChiKey: RROXEWWFSNRQTL-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.9
• 重原子数：
  18.0
• 可旋转键数：
  3.0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.31
• 拓扑面积：
  73.35
• 氢给体数：
  0.0
• 氢受体数：
  4.0

反应信息

• 作为反应物：
  描述：

  3-(2-methylpropyl)-5-nitroisocoumarin 在 氨 作用下， 以 乙二醇甲醚 为溶剂， 反应 4.0h， 以89%的产率得到5-nitro-3-(2-methylpropyl)isoquinolin-1-one
  参考文献：
  名称：

  One-pot tandem Hurtley–retro-Claisen–cyclisation reactions in the synthesis of 3-substituted analogues of 5-aminoisoquinolin-1-one (5-AIQ), a water-soluble inhibitor of PARPs

  摘要：

  Poly(ADP-ribose)polymerase-1 (PARP-1) is an important target for drug design for several therapeutic applications. 5-Aminoisoquinolin-1-one (5-AIQ) is a highly water-soluble lead compound; synthetic routes to 3-substituted analogues were explored. Tandem Hurtley coupling of beta-diketones with 2-bromo-3-nitrobenzoic acid, retro-Claisen acyl cleavage and cyclisation gave the corresponding 3-substituted 5-nitroisocoumarins. Treatment with ammonia at high temperature and reduction with tin(II) chloride gave eleven target 3-substituted 5-AIQs, which were all soluble in water (>1% w/ v) as their HCl salts. Most were more potent than 5-AIQ as inhibitors of PARP-1 and of PARP-2 in vitro, the most active being 5-amino-3-methylisoquinolin-1-one (PARP-1: IC50 = 0.23 mu M vs IC50 = 1.6 mu M for 5-AIQ). Some rationalisation of the SAR was achieved through molecular modelling. (C) 2013 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.bmc.2013.06.031
• 作为产物：
  描述：

  2-溴-3-硝基苯甲酸 、 双异戊酮甲烷 在 铜 作用下， 以 叔丁醇 为溶剂， 反应 16.0h， 以26%的产率得到3-(2-methylpropyl)-5-nitroisocoumarin
  参考文献：
  名称：

  One-pot tandem Hurtley–retro-Claisen–cyclisation reactions in the synthesis of 3-substituted analogues of 5-aminoisoquinolin-1-one (5-AIQ), a water-soluble inhibitor of PARPs

  摘要：

  Poly(ADP-ribose)polymerase-1 (PARP-1) is an important target for drug design for several therapeutic applications. 5-Aminoisoquinolin-1-one (5-AIQ) is a highly water-soluble lead compound; synthetic routes to 3-substituted analogues were explored. Tandem Hurtley coupling of beta-diketones with 2-bromo-3-nitrobenzoic acid, retro-Claisen acyl cleavage and cyclisation gave the corresponding 3-substituted 5-nitroisocoumarins. Treatment with ammonia at high temperature and reduction with tin(II) chloride gave eleven target 3-substituted 5-AIQs, which were all soluble in water (>1% w/ v) as their HCl salts. Most were more potent than 5-AIQ as inhibitors of PARP-1 and of PARP-2 in vitro, the most active being 5-amino-3-methylisoquinolin-1-one (PARP-1: IC50 = 0.23 mu M vs IC50 = 1.6 mu M for 5-AIQ). Some rationalisation of the SAR was achieved through molecular modelling. (C) 2013 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.bmc.2013.06.031