2,4-dichloro-6-(dimethylamino)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: 2,4-dichloro-6-(dimethylamino)pyridine
• 英文别名: 4,6-dichloro-N,N-dimethyl-pyridin-2-amine；4,6-Dichloro-N,N-dimethylpyridin-2-amine
• 化学式: C₇H₈Cl₂N₂
• mdl: MFCD09031042
• 分子量: 191.06
• InChiKey: OLPGWKZDLXKYCP-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.9
• 重原子数：
  11
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.285
• 拓扑面积：
  16.1
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  苯甲醇 、 2,4-dichloro-6-(dimethylamino)pyridine 在 sodium hydride 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 以53 %的产率得到4-benzyloxy-6-chloro-N,N-dimethylpyridin-2-amine
  参考文献：
  名称：

  [EN] HETEROARYL COMPOUNDS FOR THE TREATMENT OF PAIN
  [FR] COMPOSÉS HÉTÉROARYLES POUR LE TRAITEMENT DE LA DOULEUR

  摘要：

  Compounds, and pharmaceutically acceptable salts thereof, useful as inhibitors of sodium channels are provided. Also provided are pharmaceutical compositions comprising the compounds or pharmaceutically acceptable salts and methods of using the compounds, pharmaceutically acceptable salts, and pharmaceutical compositions in the treatment of various disorders, including pain.

  公开号：

  WO2023205465A1
• 作为产物：
  描述：

  2,4,6-三氯吡啶 在 正丁基锂 、 四丁基氟化铵 作用下， 以 四氢呋喃 、 正己烷 、 水 为溶剂， 反应 22.75h， 生成 2,4-dichloro-6-(dimethylamino)pyridine
  参考文献：
  名称：

  Regiochemically Flexible Substitutions of Di-, Tri-, and Tetrahalopyridines:  The Trialkylsilyl Trick

  摘要：

  2,4-Difluoropyridine, 2,4-dichloropyridine, 2,4,6-trifluoropyridine, 2,4,6-trichloropyridine and 2,3,4,6-tetrafluoropyridine react with standard nucleophiles exclusively at the 4-position under halogen displacement. However, the regioselectivity can be completely reversed if a trialkylsilyl group is introduced in the 5-position of the 2,4-dihalopyridines or in the 3-position of the 2,4,6-trihalopyridines or 2,3,4,6-tetrahalopyridine. Then only the halogen most remote from the bulky silyl unit (at the 2-position in the case of the 2,4-halopyridines, at the 6-position with the other substrates) gets involved in the exchange process. After removal of the silyl protective group the nucleophile is invariably found to occupy the nitrogen-neighboring position.

  DOI：

  10.1021/jo047962z

文献信息

• Stereo- and Regioselective Alkyne Hydrometallation with Gold(III) Hydrides
  作者：Anna Pintus、Luca Rocchigiani、Julio Fernandez-Cestau、Peter H. M. Budzelaar、Manfred Bochmann

  DOI：10.1002/anie.201607522

  日期：2016.9.26

  alkynes by gold(III) hydride complexes [(C^N^C)AuH] was found to be mediated by radicals and proceeds by an unexpected binuclear outer‐sphere mechanism to cleanly form trans‐insertion products. Radical precursors such as azobisisobutyronitrile lead to a drastic rate enhancement. DFT calculations support the proposed radical mechanism, with very low activation barriers, and rule out mononuclear mechanistic

  发现氢化金（III）络合物[（C ^ N ^ C）AuH]对内部和末端炔烃的加氢强化作用是由自由基介导的，并通过意想不到的双核外球机理进行，从而干净地形成反插入产物。诸如偶氮二异丁腈之类的自由基前体导致速率急剧增加。DFT计算支持拟议的激进机制，具有很低的激活障碍，并排除了单核机制的替代方案。这些炔烃水合反应对Z-乙烯基异构体的形成具有高度的区域和立体特异性，在大多数情况下Z / E比率> 99：1。
• Regiochemically Flexible Substitutions of Di-, Tri-, and Tetrahalopyridines:  The Trialkylsilyl Trick
  作者：Manfred Schlosser、Carla Bobbio、Thierry Rausis

  DOI：10.1021/jo047962z

  日期：2005.4.1

  2,4-Difluoropyridine, 2,4-dichloropyridine, 2,4,6-trifluoropyridine, 2,4,6-trichloropyridine and 2,3,4,6-tetrafluoropyridine react with standard nucleophiles exclusively at the 4-position under halogen displacement. However, the regioselectivity can be completely reversed if a trialkylsilyl group is introduced in the 5-position of the 2,4-dihalopyridines or in the 3-position of the 2,4,6-trihalopyridines or 2,3,4,6-tetrahalopyridine. Then only the halogen most remote from the bulky silyl unit (at the 2-position in the case of the 2,4-halopyridines, at the 6-position with the other substrates) gets involved in the exchange process. After removal of the silyl protective group the nucleophile is invariably found to occupy the nitrogen-neighboring position.
• [EN] HETEROARYL COMPOUNDS FOR THE TREATMENT OF PAIN<br/>[FR] COMPOSÉS HÉTÉROARYLES POUR LE TRAITEMENT DE LA DOULEUR
  申请人：[en]VERTEX PHARMACEUTICALS INCORPORATED

  公开号：WO2023205465A1

  公开（公告）日：2023-10-26

  Compounds, and pharmaceutically acceptable salts thereof, useful as inhibitors of sodium channels are provided. Also provided are pharmaceutical compositions comprising the compounds or pharmaceutically acceptable salts and methods of using the compounds, pharmaceutically acceptable salts, and pharmaceutical compositions in the treatment of various disorders, including pain.