3-ethyl-3,7-dihydro-7-oxo-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid | 1314230-89-1

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 喹啉及其衍生物
• 英文名称: 3-ethyl-3,7-dihydro-7-oxo-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
• 英文别名: 3,7-dihydro-3-ethyl-7-oxo-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid；2-Ethyl-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5,7,9(13),11-tetraene-11-carboxylic acid
• CAS: 1314230-89-1
• 化学式: C₁₄H₁₃NO₄
• 分子量: 259.262
• InChiKey: JJOIPSDUPDSWIY-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.7
• 重原子数：
  19
• 可旋转键数：
  2
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.29
• 拓扑面积：
  66.8
• 氢给体数：
  1
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  异庚烷 、 3-ethyl-3,7-dihydro-7-oxo-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid 在 N,N-二异丙基乙胺 、 O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 反应 19.17h， 以24%的产率得到3,7-dihydro-3-ethyl-N-(5-methylhexan-2-yl)-7-oxo-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxamide
  参考文献：
  名称：

  7-Oxo-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxamides as Selective CB₂ Cannabinoid Receptor Ligands: Structural Investigations around a Novel Class of Full Agonists

  摘要：

  Cannabinoid receptor agonists have gained attention as potential therapeutic targets of inflammatory and neuropathic pain. Here, we report the identification and optimization of a series of 7-oxo-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxamide derivatives as a novel chemotype of selective cannabinoid CB2 receptor agonists. Structural modifications led to the identification of several compounds as potent and selective cannabinoid receptor agonists (20, hCB(2) K-i = 2.5 nM, SI = 166; 21, hCB(2) K-i = 0.81 nM, SI = 383; 38, hCB(2) K-i = 15.8 nM, SI > 633; 56, hCB(2) K-i = 8.12 nM, SI > 1231; (R)-58, hCB(2) K-i = 9.24 nM, SI > 1082). The effect of a chiral center on the biological activity was also investigated, and it was found that the (R)-enantiomers exhibited greater affinity at the CB2 receptor than the (S)-enantiomers. In 3,5-cyclic adenosine monophosphate assays, the novel series behaved as agonists, exhibiting functional activity at the human CB2 receptor.

  DOI：

  10.1021/jm300763w
• 作为产物：
  描述：

  2,3-二氟苯甲酸 在 carbonyldiimidazole 、 乙酸酐 、 potassium carbonate 、 sodium hydroxide 作用下， 以 四氢呋喃 、 甲醇 、 二氯甲烷 、 N,N-二甲基甲酰胺 为溶剂， 反应 18.0h， 生成 3-ethyl-3,7-dihydro-7-oxo-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
  参考文献：
  名称：

  7-Oxo-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxamides as Selective CB₂ Cannabinoid Receptor Ligands: Structural Investigations around a Novel Class of Full Agonists

  摘要：

  Cannabinoid receptor agonists have gained attention as potential therapeutic targets of inflammatory and neuropathic pain. Here, we report the identification and optimization of a series of 7-oxo-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxamide derivatives as a novel chemotype of selective cannabinoid CB2 receptor agonists. Structural modifications led to the identification of several compounds as potent and selective cannabinoid receptor agonists (20, hCB(2) K-i = 2.5 nM, SI = 166; 21, hCB(2) K-i = 0.81 nM, SI = 383; 38, hCB(2) K-i = 15.8 nM, SI > 633; 56, hCB(2) K-i = 8.12 nM, SI > 1231; (R)-58, hCB(2) K-i = 9.24 nM, SI > 1082). The effect of a chiral center on the biological activity was also investigated, and it was found that the (R)-enantiomers exhibited greater affinity at the CB2 receptor than the (S)-enantiomers. In 3,5-cyclic adenosine monophosphate assays, the novel series behaved as agonists, exhibiting functional activity at the human CB2 receptor.

  DOI：

  10.1021/jm300763w

文献信息

• Investigations on the 4-Quinolone-3-carboxylic Acid Motif. 4. Identification of New Potent and Selective Ligands for the Cannabinoid Type 2 Receptor with Diverse Substitution Patterns and Antihyperalgesic Effects in Mice
  作者：Serena Pasquini、Maria De Rosa、Valentina Pedani、Claudia Mugnaini、Francesca Guida、Livio Luongo、Maria De Chiaro、Sabatino Maione、Stefania Dragoni、Maria Frosini、Alessia Ligresti、Vincenzo Di Marzo、Federico Corelli

  DOI：10.1021/jm200476p

  日期：2011.8.11

  Experimental evidence suggests that selective CB2 receptor modulators may provide access to antihyperalgesic agents devoid of psychotropic effects. Talcing advantage of previous findings on structure-activity/selectivity relationships for a class of 4-quinolone-3-carboxamides, further structural modifications of the heterocyclic scaffold were explored, leading to the discovery of the 8-methoxy derivative 4a endowed with the highest affinity and selectivity ever reported for a CB2 ligand. The compound, evaluated in vivo in the formalin test, behaved as an inverse agonist by reducing at a dose of 6 mg/kg the second phase of the formalin-induced nocifensive response in mice.