4,6-二氟烟酸 | 849937-91-3

• 物质功能分类: 有机原料 - 羧酸类化合物及衍生物
• 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
• 中文名称: 4,6-二氟烟酸
• 英文名称: 4,6-difluoro-3-pyridinecarboxylic acid
• 英文别名: 4,6-Difluoronicotinic acid；4,6-difluoropyridine-3-carboxylic acid
• CAS: 849937-91-3
• 化学式: C₆H₃F₂NO₂
• mdl: MFCD09031031
• 分子量: 159.092
• InChiKey: CWAIXXHIRUVOMA-UHFFFAOYSA-N

物化性质

• 熔点：
  99-101 °C (decomp)(Solv: toluene (108-88-3))
• 沸点：
  291.0±35.0 °C(Predicted)
• 密度：
  1.535±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  0.9
• 重原子数：
  11
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  50.2
• 氢给体数：
  1
• 氢受体数：
  5

安全信息

• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H315,H319,H335

反应信息

• 作为产物：
  描述：

  2,4,6-三氟吡啶 在 正丁基锂 、 异丙基氯化镁 、 一氯化碘 、 一水合肼 、 copper(II) sulfate 、 lithium diisopropyl amide 作用下， 以 四氢呋喃 、 正己烷 、 水 为溶剂， 反应 13.25h， 生成 4,6-二氟烟酸
  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

• [EN] KIF18A INHIBITORS<br/>[FR] INHIBITEURS DE KIF18A
  申请人：AMGEN INC

  公开号：WO2021026098A1

  公开（公告）日：2021-02-11

  Amide compounds of formula (I): and compositions containing them, and processes for preparing such compounds. Provided herein also are methods of treating disorders or diseases treatable by inhibition of Kinesin Motor Protein KIF18A, such as cancer, psoriasis, atopic dermatitis, an autoimmune disorder, or inflammatory bowel disease, and the like.

  化合物的酰胺类化合物（I）的化学式：以及含有它们的组合物，以及制备这种化合物的方法。本文还提供了治疗通过抑制Kinesin Motor Protein KIF18A可治疗的疾病或疾病的方法，如癌症，牛皮癣，特应性皮炎，自身免疫性疾病或炎症性肠病等。
• [EN] HETEROARYL AMIDES USEFUL AS KIF18A INHIBITORS<br/>[FR] AMIDES D'HÉTÉROARYLE UTILES EN TANT QU'INHIBITEURS DE KIF18A
  申请人：AMGEN INC

  公开号：WO2020132653A1

  公开（公告）日：2020-06-25

  The present invention relates to chemical compounds having a general formula (I), as defined herein, and synthetic intermediates thereof, which are capable of modulating KIF18A protein thereby influencing the process of cell cycle and cell proliferation to treat cancer and cancer-related diseases. The invention also includes pharmaceutical compositions, including the compounds, and methods of treating disease states related to the activity of KIF18A.

  本发明涉及具有通式（I）的化合物，如本文所定义，并其合成中间体，这些化合物能够调节KIF18A蛋白，从而影响细胞周期和细胞增殖过程，用于治疗癌症和与癌症相关的疾病。该发明还包括包括这些化合物的药物组合物，以及治疗与KIF18A活性相关的疾病状态的方法。
• HETEROARYL AMIDES USEFUL AS KIF18A INHIBITORS
  申请人：Amgen Inc.

  公开号：EP3898592A1

  公开（公告）日：2021-10-27
• KIF18A INHIBITORS
  申请人：Amgen Inc.

  公开号：EP4007752A1

  公开（公告）日：2022-06-08
• 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.