2-bromo-6-(3-methoxyphenyl)pyridine

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡啶及其衍生物
• 英文名称: 2-bromo-6-(3-methoxyphenyl)pyridine
• 化学式: C₁₂H₁₀BrNO
• 分子量: 264.121
• InChiKey: QUMLOWLTXKIANY-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.5
• 重原子数：
  15
• 可旋转键数：
  2
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.08
• 拓扑面积：
  22.1
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  5-氯噻吩-2-硼酸 、 2-bromo-6-(3-methoxyphenyl)pyridine 在 四(三苯基膦)钯 、 potassium carbonate 作用下， 以 乙醇 、 水 、 甲苯 为溶剂， 反应 18.0h， 以33%的产率得到2-(5-chloro-2-thienyl)-6-(3-methoxyphenyl)pyridine
  参考文献：
  名称：

  Novel estrone mimetics with high 17β-HSD1 inhibitory activity

  摘要：

  17 beta-Hydroxysteroid dehydrogenase type 1 (17 beta-HSD1) catalyzes the reduction of estrone into estradiol, which is the most potent estrogen in humans. Lowering intracellular estradiol concentration by inhibition of this enzyme is a promising new option for the treatment of estrogen-dependent diseases like breast cancer and endometriosis. Combination of ligand- and structure-based design resulted in heterocyclic substituted biphenylols and their aza-analogs as new 17 beta-HSD1 inhibitors. The design was based on mimicking estrone, especially focusing on the imitation of the D-ring keto group with (substituted) heterocycles. Molecular docking provided insights into plausible protein-ligand interactions for this class of compounds. The most promising compound 12 showed an inhibitory activity in the high nanomolar range and very low affinity for the estrogen receptors alpha and beta. Thus, compound 12 is a novel tool for the elucidation of the pharmacological relevance of 17 beta-HSD1 and might be a lead for the treatment of estrogen-dependent diseases. (C) 2010 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.bmc.2010.03.065
• 作为产物：
  描述：

  2-(3-methoxyphenyl)pyridine 在 正丁基锂 、 N,N-二甲基乙醇胺 、 四溴化碳 作用下， 以 正己烷 、 四氢呋喃 为溶剂， 反应 1.5h， 以74%的产率得到2-bromo-6-(3-methoxyphenyl)pyridine
  参考文献：
  名称：

  茴香醚的吡啶基定向锂化：功能性吡啶基酚的新途径

  摘要：

  已经研究了九种茴香基吡啶的锂化。尽管通常的试剂在吡啶环上不发生反应或未提供加成产物，但BuLi-LiDMAE（LiDMAE = Me 2 N（CH 2）2 OLi）超碱诱导了吡啶基定向金属化反应。该新反应的有用性允许有效地制备一系列α官能的吡啶基酚。随后还成功地将合适的异构体成功环化为相应的苯并呋喃基吡啶。

  DOI：

  10.1016/j.tet.2004.10.100

文献信息

• Selective palladium-catalysed arylation of 2,6-dibromopyridine using N-heterocyclic carbene ligands
  作者：D. Prajapati、C. Schulzke、M. K. Kindermann、A. R. Kapdi

  DOI：10.1039/c5ra10561g

  日期：——

  A selective palladium-catalysed arylation of 2,6-dibromopyridine has been developed by employing N-heterocyclic carbene ligands. Selective mono-arylation was performed in water/acetonitrile solvent system at ambient temperature with catalyst loading of 0.1 mol%. This reaction was also found to proceed smoothly in water although at a slightly elevated temperature of 80 °C. 2,6-Disubstituted and diversely

  通过使用N-杂环卡宾配体已经开发了钯的2,6-二溴吡啶的选择性芳基化。选择性单芳基化反应是在水/乙腈溶剂体系中于室温下以0.1 mol％的催化剂负载量进行的。尽管在稍高的80℃温度下，也发现该反应在水中能顺利进行。还以高收率获得了2，6-二取代的和被不同取代的2，6-吡啶，这对于有机和药物化学家将是重要的。
• Triarylbismuthanes as Threefold Aryl-Transfer Reagents in Regioselective Cross-Coupling Reactions with Bromopyridines and Quinolines
  作者：Maddali L. N. Rao、Ritesh J. Dhanorkar

  DOI：10.1002/ejoc.201402455

  日期：2014.8

  Cross-coupling studies using bromopyridines and bromoquinolines with triarylbismuths as threefold coupling reagents in substoichiometric amounts under Pd-catalysed conditions are disclosed. The reactivity was high with both mono- and dibromopyridyl substrates, and mono- and bis-couplings were carried out regioselectively. A library of monoaryl and diaryl pyridines was formed in high yields. A one-pot

  公开了在 Pd 催化条件下使用溴吡啶和溴喹啉与三芳基铋作为亚化学计量量的三重偶联试剂的交叉偶联研究。与单-和二溴吡啶基底物的反应性很高，并且单-和双-偶联是区域选择性地进行的。以高产率形成了单芳基和二芳基吡啶库。一锅法提供了对称和不对称二芳基吡啶的简单直接合成。使用三芳基铋试剂实现了 2-溴和 3-溴喹啉的芳基化。该研究表明，三芳基铋可用作三重芳基化试剂，用于在 Pd 催化条件下通过与溴吡啶和溴喹啉偶联合成芳基吡啶和喹啉。
• Selective Suzuki-Miyaura Monocouplings with Symmetrical Dibromoarenes and Aryl Ditriflates for the One-Pot Synthesis of Unsymmetrical Triaryls
  作者：Corinne Minard、Carole Palacio、Kevin Cariou、Robert H. Dodd

  DOI：10.1002/ejoc.201400090

  日期：2014.5

  parameters that would permit selective Suzuki–Miyaura monocouplings of symmetrical dihaloarenes were studied. High selectivity and efficiency can be obtained for a broad range of substrates by using operationally simple conditions and widely available reagents. The 38 different examples described provide a valuable toolbox for the rapid access to unsymmetrical triaryls, as illustrated by the preparation

  研究了允许对称二卤芳烃选择性 Suzuki-Miyaura 单偶联的各种参数。通过使用操作简单的条件和广泛可用的试剂，可以获得对广泛底物的高选择性和效率。所描述的 38 个不同的例子为快速获取不对称三芳基提供了一个有价值的工具箱，如二芳基吡啶 8、三联苯 9 和二芳基吡咯 10 的制备所示。
• Pyridino-directed lithiation of anisylpyridines: new access to functional pyridylphenols
  作者：Michaël Parmentier、Philippe Gros、Yves Fort

  DOI：10.1016/j.tet.2004.10.100

  日期：2005.3

  The lithiation of nine anisylpyridines has been studied. While usual reagents did not react or gave addition products on pyridine ring, the BuLi-LiDMAE (LiDMAE=Me2N(CH2)2OLi) superbase induced exclusive pyridino directed metallation. The usefulness of this new reaction allowed the efficient preparation of a range of alpha functional pyridylphenols. A successful subsequent cyclisation of an appropriate

  已经研究了九种茴香基吡啶的锂化。尽管通常的试剂在吡啶环上不发生反应或未提供加成产物，但BuLi-LiDMAE（LiDMAE = Me 2 N（CH 2）2 OLi）超碱诱导了吡啶基定向金属化反应。该新反应的有用性允许有效地制备一系列α官能的吡啶基酚。随后还成功地将合适的异构体成功环化为相应的苯并呋喃基吡啶。
• Novel estrone mimetics with high 17β-HSD1 inhibitory activity
  作者：Alexander Oster、Tobias Klein、Ruth Werth、Patricia Kruchten、Emmanuel Bey、Matthias Negri、Sandrine Marchais-Oberwinkler、Martin Frotscher、Rolf W. Hartmann

  DOI：10.1016/j.bmc.2010.03.065

  日期：2010.5

  17 beta-Hydroxysteroid dehydrogenase type 1 (17 beta-HSD1) catalyzes the reduction of estrone into estradiol, which is the most potent estrogen in humans. Lowering intracellular estradiol concentration by inhibition of this enzyme is a promising new option for the treatment of estrogen-dependent diseases like breast cancer and endometriosis. Combination of ligand- and structure-based design resulted in heterocyclic substituted biphenylols and their aza-analogs as new 17 beta-HSD1 inhibitors. The design was based on mimicking estrone, especially focusing on the imitation of the D-ring keto group with (substituted) heterocycles. Molecular docking provided insights into plausible protein-ligand interactions for this class of compounds. The most promising compound 12 showed an inhibitory activity in the high nanomolar range and very low affinity for the estrogen receptors alpha and beta. Thus, compound 12 is a novel tool for the elucidation of the pharmacological relevance of 17 beta-HSD1 and might be a lead for the treatment of estrogen-dependent diseases. (C) 2010 Elsevier Ltd. All rights reserved.