5-bromo-4-ethoxy-2-methylaniline | 1226903-71-4

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯酚醚
• 英文名称: 5-bromo-4-ethoxy-2-methylaniline
• 英文别名: 5-Bromo-4-ethoxy-2-methylaniline
• CAS: 1226903-71-4
• 化学式: C₉H₁₂BrNO
• 分子量: 230.104
• InChiKey: OGKJXUSCOHSRDS-UHFFFAOYSA-N

物化性质

• 沸点：
  315.6±37.0 °C(Predicted)
• 密度：
  1.397±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.6
• 重原子数：
  12
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.33
• 拓扑面积：
  35.2
• 氢给体数：
  1
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  5-bromo-4-ethoxy-2-methylaniline 在 溶剂黄146 、 sodium nitrite 作用下， 以 水 为溶剂， 以88%的产率得到6-bromo-5-ethoxy-1H-indazole
  参考文献：
  名称：

  Indazole-Based Potent and Cell-Active Mps1 Kinase Inhibitors: Rational Design from Pan-Kinase Inhibitor Anthrapyrazolone (SP600125)

  摘要：

  Monopolar spindle 1 (Mps1) is essential for centrosome duplication, the spindle assembly check point, and the maintenance of chromosomal instability. Mps1 is highly expressed in cancer cells, and its expression levels correlate with the histological grades of cancers. Thus, selective Mps1 inhibitors offer an attractive opportunity for the development of novel cancer therapies. To design novel Mps1 inhibitors, we utilized the pan-kinase inhibitor anthrapyrazolone (4, SP600125) and its crystal structure bound to JNK1. Our design efforts led to the identification of indazole-based lead 6 with an Mps1 IC50 value of 498 nM. Optimization of the 3- and 6-positions on the indazole core of 6 resulted in 23c with improved Mps1 activity (IC50 = 3.06 nM). Finally, application of structure-based design using the X-ray structure of 23d bound to Mps1 culminated in the discovery of 32a and 32b with improved potency for cellular Mps1 and A549 lung cancer cells. Moreover, 32a and 32b exhibited reasonable selectivities over 120 and 166 kinases, respectively.

  DOI：

  10.1021/jm4000215
• 作为产物：
  描述：

  4-溴-5-氟-2-硝基甲苯 在 sodium dithionite 、 乙醇 、 sodium ethanolate 作用下， 以 乙醇 、 水 为溶剂， 反应 6.0h， 生成 5-bromo-4-ethoxy-2-methylaniline
  参考文献：
  名称：

  Indazole-Based Potent and Cell-Active Mps1 Kinase Inhibitors: Rational Design from Pan-Kinase Inhibitor Anthrapyrazolone (SP600125)

  摘要：

  Monopolar spindle 1 (Mps1) is essential for centrosome duplication, the spindle assembly check point, and the maintenance of chromosomal instability. Mps1 is highly expressed in cancer cells, and its expression levels correlate with the histological grades of cancers. Thus, selective Mps1 inhibitors offer an attractive opportunity for the development of novel cancer therapies. To design novel Mps1 inhibitors, we utilized the pan-kinase inhibitor anthrapyrazolone (4, SP600125) and its crystal structure bound to JNK1. Our design efforts led to the identification of indazole-based lead 6 with an Mps1 IC50 value of 498 nM. Optimization of the 3- and 6-positions on the indazole core of 6 resulted in 23c with improved Mps1 activity (IC50 = 3.06 nM). Finally, application of structure-based design using the X-ray structure of 23d bound to Mps1 culminated in the discovery of 32a and 32b with improved potency for cellular Mps1 and A549 lung cancer cells. Moreover, 32a and 32b exhibited reasonable selectivities over 120 and 166 kinases, respectively.

  DOI：

  10.1021/jm4000215

文献信息

• Indazole-Based Potent and Cell-Active Mps1 Kinase Inhibitors: Rational Design from Pan-Kinase Inhibitor Anthrapyrazolone (SP600125)
  作者：Ken-ichi Kusakabe、Nobuyuki Ide、Yataro Daigo、Yuki Tachibana、Takeshi, Itoh、Takahiko Yamamoto、Hiroshi Hashizume、Yoshio Hato、Kenichi Higashino、Yousuke Okano、Yuji Sato、Makiko Inoue、Motofumi Iguchi、Takayuki Kanazawa、Yukichi Ishioka、Keiji Dohi、Yasuto Kido、Shingo Sakamoto、Kazuya Yasuo、Masahiro Maeda、Masayo Higaki、Kazuo Ueda、Hidenori Yoshizawa、Yoshiyasu Baba、Takeshi Shiota、Hitoshi Murai、Yusuke Nakamura

  DOI：10.1021/jm4000215

  日期：2013.6.13

  Monopolar spindle 1 (Mps1) is essential for centrosome duplication, the spindle assembly check point, and the maintenance of chromosomal instability. Mps1 is highly expressed in cancer cells, and its expression levels correlate with the histological grades of cancers. Thus, selective Mps1 inhibitors offer an attractive opportunity for the development of novel cancer therapies. To design novel Mps1 inhibitors, we utilized the pan-kinase inhibitor anthrapyrazolone (4, SP600125) and its crystal structure bound to JNK1. Our design efforts led to the identification of indazole-based lead 6 with an Mps1 IC50 value of 498 nM. Optimization of the 3- and 6-positions on the indazole core of 6 resulted in 23c with improved Mps1 activity (IC50 = 3.06 nM). Finally, application of structure-based design using the X-ray structure of 23d bound to Mps1 culminated in the discovery of 32a and 32b with improved potency for cellular Mps1 and A549 lung cancer cells. Moreover, 32a and 32b exhibited reasonable selectivities over 120 and 166 kinases, respectively.