N-methyl-N-phenyl-2-{[2-(pyridin-4-yl)quinolin-4-yl]oxy}propanamide | 1616976-50-1

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡啶及其衍生物
• 英文名称: N-methyl-N-phenyl-2-{[2-(pyridin-4-yl)quinolin-4-yl]oxy}propanamide
• CAS: 1616976-50-1
• 化学式: C₂₄H₂₁N₃O₂
• 分子量: 383.45
• InChiKey: MDEKLFYVIIPYRV-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.73
• 重原子数：
  29.0
• 可旋转键数：
  5.0
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.12
• 拓扑面积：
  55.32
• 氢给体数：
  0.0
• 氢受体数：
  4.0

反应信息

• 作为产物：
  描述：

  邻氨基苯乙酮 在 caesium carbonate 、 N,N-二异丙基乙胺 、 bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate 、 sodium hydroxide 作用下， 以 1,4-二氧六环 、 二氯甲烷 、 丙酮 为溶剂， 反应 24.0h， 生成 N-methyl-N-phenyl-2-{[2-(pyridin-4-yl)quinolin-4-yl]oxy}propanamide
  参考文献：
  名称：

  Development of N-Methyl-(2-arylquinolin-4-yl)oxypropanamides as Leads to PET Radioligands for Translocator Protein (18 kDa)

  摘要：

  Translocator protein (18 kDa), known as TSPO, is a recognized biomarker of neuroinflammation. Radioligands with PET accurately quantify TSPO in neuroinflammatory conditions. However, the existence of three human TSPO genotypes that show differential affinity to almost all useful TSPO PET radioligands hampers such studies. There is an unmet need for genotype-insensitive, high-affinity, and moderately lipophilic TSPO ligands that may serve as leads for PET radioligand development. To address this need, we varied the known high-affinity TSPO ligand (l)-N,N-diethyl-2-methyl-3-(2-phenylquinolin-4-yl)propanamide in its aryl scaffold, side chain tether, and pendant substituted amido group while retaining an N-methyl group as a site for labeling with carbon-11. From this effort, oxygen-tethered N-methyl-aryloxypropanamides emerged as new high-affinity TSPO ligands with attenuated lipophilicity, including one example with attractive properties for PET radioligand development, namely N-methyl-N-phenyl-2-{[2-(pyridin-2-yl)quinolin-4-yl]oxy}propanamide (22a; rat K-i = 0.10 nM; human TSPO genotypes K-i = 1.4 nM; clogD = 4.18).

  DOI：

  10.1021/jm5007947