tert-butyl 3-(N'-hydroxycarbamimidoyl)-4-methyl-5,6-dihydro-1,7-naphthyridine-7(8H)-carboxylate | 1333996-58-9

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二氮杂萘
• 英文名称: tert-butyl 3-(N'-hydroxycarbamimidoyl)-4-methyl-5,6-dihydro-1,7-naphthyridine-7(8H)-carboxylate
• CAS: 1333996-58-9
• 化学式: C₁₅H₂₂N₄O₃
• 分子量: 306.365
• InChiKey: ZLMXOGWGUNZXNO-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.78
• 重原子数：
  22.0
• 可旋转键数：
  1.0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.53
• 拓扑面积：
  101.04
• 氢给体数：
  2.0
• 氢受体数：
  5.0

反应信息

• 作为反应物：
  描述：

  tert-butyl 3-(N'-hydroxycarbamimidoyl)-4-methyl-5,6-dihydro-1,7-naphthyridine-7(8H)-carboxylate 在 盐酸 、 N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 、 三氟乙酸 作用下， 以 四氢呋喃 、 二氯甲烷 、 水 、 N,N-二甲基甲酰胺 为溶剂， 反应 37.83h， 生成 5-(3-(7-(1,3-dihydroxypropan-2-yl)-4-methyl-5,6,7,8-tetrahydro-1,7-naphthyridin-3-yl)-1,2,4-oxadiazol-5-yl)-2-isopropoxybenzonitrile hydrochloride
  参考文献：
  名称：

  Discovery of a Brain-Penetrant S1P₃-Sparing Direct Agonist of the S1P₁ and S1P₅ Receptors Efficacious at Low Oral Dose

  摘要：

  2-Amino-2-(4-octylphenethyl)propane-1,3-diol 1 (fingolimod, FTY720) has been recently marketed in the United States for the treatment of patients with remitting relapsing multiple sclerosis (RRMS). Its efficacy has been primarily linked to the agonism on T cells of S1P(1), one of the five sphingosine 1-phosphate (S1P) G-protein-coupled receptors, while its cardiovascular side effects have been associated with activity at S1P(3). Emerging data suggest that the ability of this molecule to cross the blood-brain barrier and to interact with both S1P(1) and S1P(5) in the central nervous system (CNS) may contribute to its efficacy in treating patients with RAMS. We have recently disclosed the structure of an advanced, first generation S1P(3)-sparing S1P(1) agonist, a zwitterion with limited CNS exposure. In this Article, we highlight our strategy toward the identification of CNS-penetrant S1P(3)-sparing S1P(1) and S1P5 agonists resulting in the discovery of 5-(3-{2-[2-hydroxy-1- (hydroxymethyl)ethyl]-5-methyl-1,2,3,4-tetrahydro-6-isoquinolinyl}-1,2,4-oxadiazol-5-yl)-2-[(1-methylethyl)oxy]benzonitrile 15. Its exceptional in vivo potency and good pharmacokinetic properties translate into a very low predicted therapeutic dose in human (< 1 mg p.o. once daily).

  DOI：

  10.1021/jm200609t
• 作为产物：
  描述：

  tert-butyl 3-cyano-4-methyl-5,6-dihydro-1,7-naphthyridine-7(8H)-carboxylate 在 盐酸羟胺 、 碳酸氢钠 作用下， 以 乙醇 为溶剂， 反应 16.0h， 以98%的产率得到tert-butyl 3-(N'-hydroxycarbamimidoyl)-4-methyl-5,6-dihydro-1,7-naphthyridine-7(8H)-carboxylate
  参考文献：
  名称：

  Discovery of a Brain-Penetrant S1P₃-Sparing Direct Agonist of the S1P₁ and S1P₅ Receptors Efficacious at Low Oral Dose

  摘要：

  2-Amino-2-(4-octylphenethyl)propane-1,3-diol 1 (fingolimod, FTY720) has been recently marketed in the United States for the treatment of patients with remitting relapsing multiple sclerosis (RRMS). Its efficacy has been primarily linked to the agonism on T cells of S1P(1), one of the five sphingosine 1-phosphate (S1P) G-protein-coupled receptors, while its cardiovascular side effects have been associated with activity at S1P(3). Emerging data suggest that the ability of this molecule to cross the blood-brain barrier and to interact with both S1P(1) and S1P(5) in the central nervous system (CNS) may contribute to its efficacy in treating patients with RAMS. We have recently disclosed the structure of an advanced, first generation S1P(3)-sparing S1P(1) agonist, a zwitterion with limited CNS exposure. In this Article, we highlight our strategy toward the identification of CNS-penetrant S1P(3)-sparing S1P(1) and S1P5 agonists resulting in the discovery of 5-(3-{2-[2-hydroxy-1- (hydroxymethyl)ethyl]-5-methyl-1,2,3,4-tetrahydro-6-isoquinolinyl}-1,2,4-oxadiazol-5-yl)-2-[(1-methylethyl)oxy]benzonitrile 15. Its exceptional in vivo potency and good pharmacokinetic properties translate into a very low predicted therapeutic dose in human (< 1 mg p.o. once daily).

  DOI：

  10.1021/jm200609t