5-acetyl-4-amino-2-{3-[4-(3-chlorophenyl)piperazin-1-yl]propyl}-6-methylpyridazin-3(2H)-one | 1026842-10-3

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二嗪烷类
• 英文名称: 5-acetyl-4-amino-2-{3-[4-(3-chlorophenyl)piperazin-1-yl]propyl}-6-methylpyridazin-3(2H)-one
• 英文别名: 5-Acetyl-4-amino-2-[3-[4-(3-chlorophenyl)piperazin-1-yl]propyl]-6-methylpyridazin-3-one
• CAS: 1026842-10-3
• 化学式: C₂₀H₂₆ClN₅O₂
• 分子量: 403.912
• InChiKey: MYCZRFDEHPAMHO-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.4
• 重原子数：
  28
• 可旋转键数：
  6
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.45
• 拓扑面积：
  82.2
• 氢给体数：
  1
• 氢受体数：
  6

反应信息

• 作为反应物：
  描述：

  5-acetyl-4-amino-2-{3-[4-(3-chlorophenyl)piperazin-1-yl]propyl}-6-methylpyridazin-3(2H)-one 在 sodium tetrahydroborate 作用下， 以 甲醇 为溶剂， 以86%的产率得到4-amino-2-{3-[4-(3-chlorophenyl)piperazin-1-yl]propyl}-5-(1-hydroxyethyl)-6-methylpyridazin-3(2H)-one
  参考文献：
  名称：

  Further Studies on Arylpiperazinyl Alkyl Pyridazinones: Discovery of an Exceptionally Potent, Orally Active, Antinociceptive Agent in Thermally Induced Pain

  摘要：

  A number of pyridazinone derivatives bearing all arylpiperazinylalkyl chain were synthesized and tested icv in it model of acute nociception induced by thermal stimuli in mice (tail flick). The most interesting and potent compound in this series was 6a, which showed an ED50 = 3.5 mu g, a value about 3-fold higher with respect to morphine by the same route of administration. When administered per os, 6a was 4-fold more potent than morphine in the same test, suggesting it significant bioavailability. The same compound also showed high potency in the hot plate test. The antinociceptive effect of 6a was completely reversed by pretreatment with yohimbine both in the hot plate test and in the tail flick test. This demonstrated the involvement of the adrenergic system, which was confirmed by in vitro radioligand binding studies.

  DOI：

  10.1021/jm900458r
• 作为产物：
  描述：

  1-(3-氯苯基)哌嗪 在 ammonium formate 、 potassium carbonate 作用下， 以 乙醇 、 N,N-二甲基甲酰胺 为溶剂， 反应 1.0h， 生成 5-acetyl-4-amino-2-{3-[4-(3-chlorophenyl)piperazin-1-yl]propyl}-6-methylpyridazin-3(2H)-one
  参考文献：
  名称：

  [(3-Chlorophenyl)piperazinylpropyl]pyridazinones and Analogues as Potent Antinociceptive Agents

  摘要：

  A number of [(3-chlorophenyl)piperazinylpropyl]pyridazinones and the corresponding isoxazolo-pyridazinones, showing the arylpiperazinyl substructure present in very potent antinociceptive agents reported in the literature, were synthesized and tested for their analgesic activity. The investigated compounds showed antinociceptive properties in the mouse hot-plate test (thermal nociceptive stimulus) after systemic administration with an efficacy similar to that exerted by morphine. The increase of the pain threshold induced by the compounds labeled 5a, 7, 8, and 11 was prevented by reserpine, suggesting the involvement of the noradrenergic and/or serotoninergic system in their mechanism of action. Among them, 7 and 11 showed the highest analgesic potency and efficacy together with a good ratio (133 and 200, respectively) of the minimal nontoxic dose (MNTD) to the minimal analgesic dose (MAD). Furthermore, they were also active after icv administration and in the presence of a chemical, painful stimulus (abdominal constriction test).

  DOI：

  10.1021/jm021057u

文献信息

• Further Studies on Arylpiperazinyl Alkyl Pyridazinones: Discovery of an Exceptionally Potent, Orally Active, Antinociceptive Agent in Thermally Induced Pain
  作者：Claudio Biancalani、Maria Paola Giovannoni、Stefano Pieretti、Nicoletta Cesari、Alessia Graziano、Claudia Vergelli、Agostino Cilibrizzi、Amalia Di Gianuario、Mariantonella Colucci、Giorgina Mangano、Beatrice Garrone、Lorenzo Polenzani、Vittorio Dal Piaz

  DOI：10.1021/jm900458r

  日期：2009.12.10

  A number of pyridazinone derivatives bearing all arylpiperazinylalkyl chain were synthesized and tested icv in it model of acute nociception induced by thermal stimuli in mice (tail flick). The most interesting and potent compound in this series was 6a, which showed an ED50 = 3.5 mu g, a value about 3-fold higher with respect to morphine by the same route of administration. When administered per os, 6a was 4-fold more potent than morphine in the same test, suggesting it significant bioavailability. The same compound also showed high potency in the hot plate test. The antinociceptive effect of 6a was completely reversed by pretreatment with yohimbine both in the hot plate test and in the tail flick test. This demonstrated the involvement of the adrenergic system, which was confirmed by in vitro radioligand binding studies.
• [(3-Chlorophenyl)piperazinylpropyl]pyridazinones and Analogues as Potent Antinociceptive Agents
  作者：Maria Paola Giovannoni、Claudia Vergelli、Carla Ghelardini、Nicoletta Galeotti、Alessandro Bartolini、Vittorio Dal Piaz

  DOI：10.1021/jm021057u

  日期：2003.3.1

  A number of [(3-chlorophenyl)piperazinylpropyl]pyridazinones and the corresponding isoxazolo-pyridazinones, showing the arylpiperazinyl substructure present in very potent antinociceptive agents reported in the literature, were synthesized and tested for their analgesic activity. The investigated compounds showed antinociceptive properties in the mouse hot-plate test (thermal nociceptive stimulus) after systemic administration with an efficacy similar to that exerted by morphine. The increase of the pain threshold induced by the compounds labeled 5a, 7, 8, and 11 was prevented by reserpine, suggesting the involvement of the noradrenergic and/or serotoninergic system in their mechanism of action. Among them, 7 and 11 showed the highest analgesic potency and efficacy together with a good ratio (133 and 200, respectively) of the minimal nontoxic dose (MNTD) to the minimal analgesic dose (MAD). Furthermore, they were also active after icv administration and in the presence of a chemical, painful stimulus (abdominal constriction test).