(7R,8R,9S)-7,8-dihydroxy-7,9-dimethyl-3-propan-2-yl-8H-pyrimido[2,1-f]purine-9-carboxylic acid

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 咪唑并嘧啶类
• 英文名称: (7R,8R,9S)-7,8-dihydroxy-7,9-dimethyl-3-propan-2-yl-8H-pyrimido[2,1-f]purine-9-carboxylic acid
• 化学式: C₁₄H₁₉N₅O₄
• 分子量: 321.336
• InChiKey: NKCMUGLWQMBLSA-KWCYVHTRSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -0.4
• 重原子数：
  23
• 可旋转键数：
  2
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.57
• 拓扑面积：
  124
• 氢给体数：
  3
• 氢受体数：
  7

反应信息

• 作为产物：
  描述：

  腺嘌呤 在 sodium hydride 作用下， 以 水 、 N,N-二甲基甲酰胺 为溶剂， 反应 19.0h， 生成 (7R,8R,9S)-7,8-dihydroxy-7,9-dimethyl-3-propan-2-yl-8H-pyrimido[2,1-f]purine-9-carboxylic acid 、
  参考文献：
  名称：

  A new 9-alkyladenine-cyclic methylglyoxal diadduct activates wt- and F508del-cystic fibrosis transmembrane conductance regulator (CFTR) in vitro and in vivo

  摘要：

  Cystic fibrosis transmembrane conductance regulator (CFTR) is the main chloride channel present in the apical membrane of epithelial cells and the F508 deletion (F508del-CFTR) in the CF gene is the most common cystic fibrosis-causing mutation. In the search for a pharmacotherapy of cystic fibrosis caused by the F508del-CFTR, a bi-therapy could be developed associating a corrector of F508del-CFTR trafficking and an activator of the channel activity of CFTR. Here, we report on the synthesis of 9-alkyladenine derivatives analogues of our previously discovered activator of wt-CFTR and F508del-CFTR, GPact-11a, and the identification of a new activator of these channels, GPact-26a, through various flux assays on human airway epithelial CF and non-CF cell lines and in vivo measurement of rat salivary secretion. This study reveals that the possible modifications of the side chain introduced at the N9 position of the main pharmacophore are highly limited since only an allyl group can replace the propyl side chain present in GPact-11a to lead to a strong activation of wt-CFTR in CHO cells. Docking simulations of the synthesised compounds and of four described modulators performed using a 3D model of the wt-type CFTR protein suggest five possible binding sites located at the interface of the nucleotide binding domains NBD1/NBD2. However, the docking study did not allow the differentiation between active and non-active compounds.

  DOI：

  10.1016/j.ejmech.2014.06.028

文献信息

• A new 9-alkyladenine-cyclic methylglyoxal diadduct activates wt- and F508del-cystic fibrosis transmembrane conductance regulator (CFTR) in vitro and in vivo
  作者：Benjamin Boucherle、Johanna Bertrand、Bruno Maurin、Brice-Loïc Renard、Antoine Fortuné、Brice Tremblier、Frédéric Becq、Caroline Norez、Jean-Luc Décout

  DOI：10.1016/j.ejmech.2014.06.028

  日期：2014.8

  Cystic fibrosis transmembrane conductance regulator (CFTR) is the main chloride channel present in the apical membrane of epithelial cells and the F508 deletion (F508del-CFTR) in the CF gene is the most common cystic fibrosis-causing mutation. In the search for a pharmacotherapy of cystic fibrosis caused by the F508del-CFTR, a bi-therapy could be developed associating a corrector of F508del-CFTR trafficking and an activator of the channel activity of CFTR. Here, we report on the synthesis of 9-alkyladenine derivatives analogues of our previously discovered activator of wt-CFTR and F508del-CFTR, GPact-11a, and the identification of a new activator of these channels, GPact-26a, through various flux assays on human airway epithelial CF and non-CF cell lines and in vivo measurement of rat salivary secretion. This study reveals that the possible modifications of the side chain introduced at the N9 position of the main pharmacophore are highly limited since only an allyl group can replace the propyl side chain present in GPact-11a to lead to a strong activation of wt-CFTR in CHO cells. Docking simulations of the synthesised compounds and of four described modulators performed using a 3D model of the wt-type CFTR protein suggest five possible binding sites located at the interface of the nucleotide binding domains NBD1/NBD2. However, the docking study did not allow the differentiation between active and non-active compounds.