6-fluoro-4-[4-(3,3,4-trimethylpiperazin-1-yl)phenylamino]quinoline-3-carboxylic acid ethyl ester | 923585-84-6

• 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: 6-fluoro-4-[4-(3,3,4-trimethylpiperazin-1-yl)phenylamino]quinoline-3-carboxylic acid ethyl ester
• CAS: 923585-84-6
• 化学式: C₂₅H₂₉FN₄O₂
• 分子量: 436.529
• InChiKey: IBTDTYPYKDVENJ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.82
• 重原子数：
  32.0
• 可旋转键数：
  5.0
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.36
• 拓扑面积：
  57.7
• 氢给体数：
  1.0
• 氢受体数：
  6.0

反应信息

• 作为反应物：
  描述：

  6-fluoro-4-[4-(3,3,4-trimethylpiperazin-1-yl)phenylamino]quinoline-3-carboxylic acid ethyl ester 在 lithium aluminium tetrahydride 作用下， 以 四氢呋喃 为溶剂， 反应 2.5h， 以57%的产率得到{6-Fluoro-4-[4-(3,3,4-trimethylpiperazin-1-yl)phenylamino]-quinolin-3-yl}methanol
  参考文献：
  名称：

  Structure−Activity Relationship of Quinoline Derivatives as Potent and Selective α_2C-Adrenoceptor Antagonists

  摘要：

  Starting from two acridine compounds identified in a high-throughput screening campaign (1 and 2, Table 1), a series of 4-aminoquinolines was synthesized and tested for their properties on the human alpha(2)-adrenoceptor subtypes (alpha(2A), alpha(2B), and alpha(2C.)). A number of compounds with good antagonist potencies against the alpha(2C)-adrenoceptor and excellent subtype selectivities over the other two subtypes were discovered. For example, (R)-{4-[4-(3,4-dimethylpiperazin-1-yl) phenylamino] quinolin- 3- yl} methanol 6j had an antagonist potency of 8.5 nM against, and a subtype selectivity of more than 200-fold for, the alpha(2C)-adrenoceptor. Investigation of the structure-activity relationship identified a number of structural features, the most critical of which was an absolute need for a substituent in the 3-position of the quinoline ring. The 3-position on the piperazine ring was also found to play an appreciable role, as substitutions in that position exerted a significant and stereospecific beneficial effect on the alpha(2C)-adrenoceptor affinity and potency. Replacing the piperazine ring proved difficult, with 1,4-diazepanes representing the only viable alternative.

  DOI：

  10.1021/jm060262x
• 作为产物：
  描述：

  5,5-dimethyl-1-(4-nitrophenyl)piperazin-2-one 在 palladium on activated charcoal 硼烷四氢呋喃络合物 、 sodium hydride 、 对甲苯磺酸 、 一水合肼 作用下， 以 四氢呋喃 、 甲醇 、 N,N-二甲基甲酰胺 为溶剂， 反应 3.83h， 生成 6-fluoro-4-[4-(3,3,4-trimethylpiperazin-1-yl)phenylamino]quinoline-3-carboxylic acid ethyl ester
  参考文献：
  名称：

  Structure−Activity Relationship of Quinoline Derivatives as Potent and Selective α_2C-Adrenoceptor Antagonists

  摘要：

  Starting from two acridine compounds identified in a high-throughput screening campaign (1 and 2, Table 1), a series of 4-aminoquinolines was synthesized and tested for their properties on the human alpha(2)-adrenoceptor subtypes (alpha(2A), alpha(2B), and alpha(2C.)). A number of compounds with good antagonist potencies against the alpha(2C)-adrenoceptor and excellent subtype selectivities over the other two subtypes were discovered. For example, (R)-{4-[4-(3,4-dimethylpiperazin-1-yl) phenylamino] quinolin- 3- yl} methanol 6j had an antagonist potency of 8.5 nM against, and a subtype selectivity of more than 200-fold for, the alpha(2C)-adrenoceptor. Investigation of the structure-activity relationship identified a number of structural features, the most critical of which was an absolute need for a substituent in the 3-position of the quinoline ring. The 3-position on the piperazine ring was also found to play an appreciable role, as substitutions in that position exerted a significant and stereospecific beneficial effect on the alpha(2C)-adrenoceptor affinity and potency. Replacing the piperazine ring proved difficult, with 1,4-diazepanes representing the only viable alternative.

  DOI：

  10.1021/jm060262x