4,7-dichloro-6-nitro-3H-isobenzofuran-1-one | 573692-33-8

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 异香豆素
• 英文名称: 4,7-dichloro-6-nitro-3H-isobenzofuran-1-one
• 英文别名: 4,7-dichloro-6-nitro-3H-2-benzofuran-1-one
• CAS: 573692-33-8
• 化学式: C₈H₃Cl₂NO₄
• 分子量: 248.022
• InChiKey: FRSAGHQDPYRRHJ-UHFFFAOYSA-N

物化性质

• 沸点：
  488.6±45.0 °C(Predicted)
• 密度：
  1.748±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.57
• 重原子数：
  15.0
• 可旋转键数：
  1.0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.12
• 拓扑面积：
  69.44
• 氢给体数：
  0.0
• 氢受体数：
  4.0

反应信息

• 作为反应物：
  描述：

  4,7-dichloro-6-nitro-3H-isobenzofuran-1-one 在 sodium azide 作用下， 以 水 、 丙酮 为溶剂， 以92%的产率得到7-azido-4-chloro-6-nitro-3H-isobenzofuran-1-one
  参考文献：
  名称：

  Synthesis and SAR of novel di- and trisubstituted 1,4-dihydroquinoxaline-2,3-diones related to licostinel (Acea 1021) as NMDA/glycine site antagonists

  摘要：

  A series of novel di- and trisubstituted 1,4-dihydroquinoxaline-2,3-diones (QXs) related to licostinel (Acea 1021) was synthesized and evaluated as antagonists for the glycine site of the N-methyl-D-asparate (NMDA) receptor. The in vitro potency of these antagonists was determined by displacement of the glycine site radioligand [H-3]-5,7-dichlorokynurenic acid ([H-3]DCKA) in rat brain cortical membranes. Structure-activity relationship studies indicate that a cyano group is a good replacement for the nitro group in the 5-position of licostinel while 5-carboxy, 5-ester, 5-ketone and 5-amide derivatives showed reduced potency. 5,6-Cyclized analogues of licostinel also showed significantly reduced potency. Among the trisubstituted QXs investigated, 5-cyano-6,7-dichloro QX and 5-cyano-7-chloro-6-methyl QX are the most potent with IC50 values of 32 nM and 26 nM, respectively. (C) 2003 Elsevier Science Ltd. All rights reserved.

  DOI：

  10.1016/s0968-0896(03)00059-2
• 作为产物：
  描述：

  4,7-dichloro-3H-isobenzofuran-1-one 在 硫酸 、 potassium nitrate 作用下， 以86%的产率得到4,7-dichloro-6-nitro-3H-isobenzofuran-1-one
  参考文献：
  名称：

  Synthesis and SAR of novel di- and trisubstituted 1,4-dihydroquinoxaline-2,3-diones related to licostinel (Acea 1021) as NMDA/glycine site antagonists

  摘要：

  A series of novel di- and trisubstituted 1,4-dihydroquinoxaline-2,3-diones (QXs) related to licostinel (Acea 1021) was synthesized and evaluated as antagonists for the glycine site of the N-methyl-D-asparate (NMDA) receptor. The in vitro potency of these antagonists was determined by displacement of the glycine site radioligand [H-3]-5,7-dichlorokynurenic acid ([H-3]DCKA) in rat brain cortical membranes. Structure-activity relationship studies indicate that a cyano group is a good replacement for the nitro group in the 5-position of licostinel while 5-carboxy, 5-ester, 5-ketone and 5-amide derivatives showed reduced potency. 5,6-Cyclized analogues of licostinel also showed significantly reduced potency. Among the trisubstituted QXs investigated, 5-cyano-6,7-dichloro QX and 5-cyano-7-chloro-6-methyl QX are the most potent with IC50 values of 32 nM and 26 nM, respectively. (C) 2003 Elsevier Science Ltd. All rights reserved.

  DOI：

  10.1016/s0968-0896(03)00059-2