4-Ethyl-3-pent-1-ynylquinoline | 1607440-27-6

• 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: 4-Ethyl-3-pent-1-ynylquinoline
• CAS: 1607440-27-6
• 化学式: C₁₆H₁₇N
• 分子量: 223.318
• InChiKey: MOMPRLWSDOXMLY-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.7
• 重原子数：
  17
• 可旋转键数：
  3
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.31
• 拓扑面积：
  12.9
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  4-Ethyl-3-pent-1-ynylquinoline 在 platinum on activated charcoal 、 氢气 作用下， 以 乙醇 为溶剂， 20.0 ℃ 、344.75 kPa 条件下， 反应 1.0h， 生成 4-Ethyl-3-pentylquinoline
  参考文献：
  名称：

  Structure-Based Design of Novel Human Toll-like Receptor 8 Agonists

  摘要：

  AbstractToll‐like receptor (TLR)‐8 agonists activate adaptive immune responses by inducing robust production of T helper 1‐polarizing cytokines, suggesting that TLR8‐active compounds might be promising candidate vaccine adjuvants. Recently, a C2‐butyl furo[2,3‐c]quinoline was reported with purely TLR8 agonistic activity. This compound was successfully co‐crystallized with the human TLR8 ectodomain, and the co‐crystal structure revealed ligand‐induced reorganization of the binding pocket of TLR8. The loss of a key hydrogen bond between the oxygen atom of the furanyl ring of the agonist and Thr 574 in TLR8 suggested that the furan ring is dispensable. Employing a disconnection strategy, 3‐ and 4‐substituted aminoquinolines were investigated. Focused structure‐based ligand design studies led to the identification of 3‐pentyl‐quinoline‐2‐amine as a novel, structurally simple, and highly potent human TLR8‐specific agonist (EC50=0.2 μM). Preliminary evaluation of this compound in ex vivo human blood assay systems revealed that it retains prominent cytokine‐inducing activity. Together, these results indicate the suitability of this compound as a novel vaccine adjuvant, warranting further investigation.

  DOI：

  10.1002/cmdc.201300573
• 作为产物：
  描述：

  3-碘喹啉-4-醇 在 copper(l) iodide 、 四(三苯基膦)钯 、 potassium carbonate 、 三乙胺 、 三氯氧磷 作用下， 以 1,4-二氧六环 、 乙腈 为溶剂， 反应 26.0h， 生成 4-Ethyl-3-pent-1-ynylquinoline
  参考文献：
  名称：

  Structure-Based Design of Novel Human Toll-like Receptor 8 Agonists

  摘要：

  AbstractToll‐like receptor (TLR)‐8 agonists activate adaptive immune responses by inducing robust production of T helper 1‐polarizing cytokines, suggesting that TLR8‐active compounds might be promising candidate vaccine adjuvants. Recently, a C2‐butyl furo[2,3‐c]quinoline was reported with purely TLR8 agonistic activity. This compound was successfully co‐crystallized with the human TLR8 ectodomain, and the co‐crystal structure revealed ligand‐induced reorganization of the binding pocket of TLR8. The loss of a key hydrogen bond between the oxygen atom of the furanyl ring of the agonist and Thr 574 in TLR8 suggested that the furan ring is dispensable. Employing a disconnection strategy, 3‐ and 4‐substituted aminoquinolines were investigated. Focused structure‐based ligand design studies led to the identification of 3‐pentyl‐quinoline‐2‐amine as a novel, structurally simple, and highly potent human TLR8‐specific agonist (EC50=0.2 μM). Preliminary evaluation of this compound in ex vivo human blood assay systems revealed that it retains prominent cytokine‐inducing activity. Together, these results indicate the suitability of this compound as a novel vaccine adjuvant, warranting further investigation.

  DOI：

  10.1002/cmdc.201300573

文献信息

• Toll-Like Receptor 8 Agonists
  申请人：David Sunil Abraham

  公开号：US20160347715A1

  公开（公告）日：2016-12-01

  Compounds described herein can be used for therapeutic purposes. The compounds can be TLR agonists, such as TLR8 agonists. The compounds can be included in pharmaceutical compositions and used for therapies were being a TLR8 agonist is useful. The pharmaceutical compositions can include any ingredients, such as carries, diluents, excipients, fillers or the like that are common in pharmaceutical compositions. The compounds can be those illustrated or described herein as well as derivative thereof, prodrug thereof, salt thereof, or stereoisomer thereof, or having any chirality at any chiral center, or tautomer, polymorph, solvate, or combinations thereof. As such, the compounds can be used as adjuvants in vaccines as well as for other therapeutic purposes described herein. The compounds can have any one of the formulae described herein or derivative thereof.