4-溴-2,6-二氯吡啶 | 98027-80-6

• 物质功能分类: 医药中间体 - 杂环化合物 - 吡啶类化合物
• 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-溴-2,6-二氯吡啶
• 英文名称: 4-bromo-2,6-dichloropyridine
• CAS: 98027-80-6
• 化学式: C₅H₂BrCl₂N
• 分子量: 226.888
• InChiKey: GUBXTQINPBZVJP-UHFFFAOYSA-N

物化性质

• 熔点：
  95℃
• 沸点：
  263.7±35.0 °C(Predicted)
• 密度：
  1.848±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.7
• 重原子数：
  9
• 可旋转键数：
  0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  12.9
• 氢给体数：
  0
• 氢受体数：
  1

安全信息

• 海关编码：
  2933399090
• 危险性防范说明：
  P280,P305+P351+P338,P310
• 危险性描述：
  H302,H315,H319,H332,H335
• 储存条件：
  室温且干燥

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 4-Bromo-2,6-dichloropyridine
Synonyms:

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Section 2. Hazards identification
Harmful by inhalation, in contact with skin, and if swallowed.

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Section 3. Composition/information on ingredients.
Ingredient name: 4-Bromo-2,6-dichloropyridine
CAS number: 98027-80-6

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Section 4. First aid measures
Skin contact: Immediately wash skin with copious amounts of water for at least 15 minutes while removing
contaminated clothing and shoes. If irritation persists, seek medical attention.
Eye contact: Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate
flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical
attention.
Inhalation: Remove to fresh air. In severe cases or if symptoms persist, seek medical attention.
Ingestion: Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.

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Section 5. Fire fighting measures
In the event of a fire involving this material, alone or in combination with other materials, use dry
powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus
should be worn.

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Section 6. Accidental release measures
Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national
standards.
Respiratory precaution: Wear approved mask/respirator
Hand precaution: Wear suitable gloves/gauntlets
Skin protection: Wear suitable protective clothing
Eye protection: Wear suitable eye protection
Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container
for disposal. See section 12.
Environmental precautions: Do not allow material to enter drains or water courses.

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Section 7. Handling and storage
Handling: This product should be handled only by, or under the close supervision of, those properly qualified
in the handling and use of potentially hazardous chemicals, who should take into account the fire,
health and chemical hazard data given on this sheet.
Store in closed vessels, refrigerated.
Storage:

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Section 8. Exposure Controls / Personal protection
Engineering Controls: Use only in a chemical fume hood.
Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles.
General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse.

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Section 9. Physical and chemical properties
Appearance: Not specified
Boiling point: No data
No data
Melting point:
Flash point: No data
Density: No data
Molecular formula: C5H2BrCl2N
Molecular weight: 226.9

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Section 10. Stability and reactivity
Conditions to avoid: Heat, flames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide, nitrogen oxides, hydrogen chloride, hydrogen bromide.

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Section 11. Toxicological information
No data.

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Section 12. Ecological information
No data.

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Section 13. Disposal consideration
Arrange disposal as special waste, by licensed disposal company, in consultation with local waste
disposal authority, in accordance with national and regional regulations.

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Section 14. Transportation information
Non-harzardous for air and ground transportation.

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Section 15. Regulatory information
No chemicals in this material are subject to the reporting requirements of SARA Title III, Section
302, or have known CAS numbers that exceed the threshold reporting levels established by SARA
Title III, Section 313.

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SECTION 16 - ADDITIONAL INFORMATION
N/A

制备方法与用途

4-溴-2,6-二氯吡啶可以作为有机合成中间体和医药中间体，主要用于实验室研发和化工生产过程。

反应信息

• 作为反应物：
  描述：

  4-溴-2,6-二氯吡啶 在 (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride 、 Wilkinson's catalyst 、 锂硼氢 、 正丁基锂 、 氢气 、 碳酸氢钠 、 戴斯-马丁氧化剂 、 二异丙胺 、 三甲基硅烷化重氮甲烷 作用下， 以 四氢呋喃 、 1,4-二氧六环 、 二氯甲烷 、 水 、 叔丁醇 为溶剂， -78.0~100.0 ℃ 、344.75 kPa 条件下， 反应 37.0h， 生成 1-cyclopropyl-3-(2,6-dichloro-4-(2,4-difluorophenyl)pyridin-3-yl)propan-1-ol
  参考文献：
  名称：

  [EN] CHROMANE, ISOCHROMANE AND DIHYDROISOBENZOFURAN DERIVATIVES AS mGluR2-NEGATIVE ALLOSTERIC MODULATORS, COMPOSITIONS, AND THEIR USE
  [FR] DÉRIVÉS DE CHROMANE, D'ISOCHROMANE ET DE DIHYDROISOBENZOFURANE EN TANT QUE MODULATEURS ALLOSTÉRIQUES NÉGATIFS DE MGLUR2, COMPOSITIONS ET LEUR UTILISATION

  摘要：

  本发明提供了某些取代的色苷、异色苷和二氢异苯并呋喃化合物的化学结构（I），或其药学上可接受的盐，其中环A是从（II）、（III）、（IV）和（V）中选择的基团，环B、n、R1、R2、R2A、R3和R3A如本文所定义。本发明的化合物可用作mGluR2抑制剂，或mGluR2负向变构调节剂（NAMs），并可用于治疗mGluR2-NAM受体参与的疾病或障碍的方法，如阿尔茨海默病、认知障碍、轻度认知障碍、精神分裂症和其他情绪障碍、疼痛障碍和睡眠障碍，通过向患者投予本发明化合物或其药学上可接受的盐的治疗有效量。本发明还涉及含有本发明化合物或其药学上可接受的盐（可选地与一个或多个额外活性成分组合）和药学上可接受的载体的药物组合物，以及在治疗这些疾病中使用本发明的化合物和药物组合物。

  公开号：

  WO2018063955A1
• 作为产物：
  描述：

  4-氨基-2,6-二氯吡啶 在 硫酸 、 copper(II) sulfate 、 potassium bromide 、 sodium nitrite 作用下， 生成 4-溴-2,6-二氯吡啶
  参考文献：
  名称：

  Talik; Plazek, Roczniki Chemii, 1959, vol. 33, p. 387,392

  摘要：

  DOI：

文献信息

• Pd-Catalyzed Vinylation of Aryl Halides with Inexpensive Organosilicon Reagents Under Mild Conditions
  作者：Chu-Ting Yang、Jun Han、Jun Liu、Yi Li、Fan Zhang、Hai-Zhu Yu、Sheng Hu、Xiaolin Wang

  DOI：10.1002/chem.201802573

  日期：2018.7.20

  Pd‐catalyzed Hiyama vinylation reaction of non‐activated aryl chlorides and bromides under mild conditions was developed. The use of efficient vinyl donors and electron‐rich sterically hindered phosphine ligands was critical for the success of the reaction. The products of this transformation can be used for Am/Cm separation, an important challenge in nuclear fuel reprocessing. The substituent effect

  在温和条件下开发了钯催化未活化的芳基氯和溴化物的Hiyama乙烯基化反应。有效的乙烯基供体和富含电子的位阻膦配体的使用对于反应成功至关重要。这种转化的产物可用于Am / Cm分离，这是核燃料后处理中的一项重要挑战。还获得了取代基对Am / Cm分离选择性的影响，这可能有助于开发用于分离Am和Cm的新型色谱材料。
• Enantioselective Three-Component Fluoroalkylarylation of Unactivated Olefins through Nickel-Catalyzed Cross-Electrophile Coupling
  作者：Hai-Yong Tu、Fang Wang、Liping Huo、Yuanbo Li、Shengqing Zhu、Xian Zhao、Huan Li、Feng-Ling Qing、Lingling Chu

  DOI：10.1021/jacs.0c03708

  日期：2020.5.27

  A nickel-catalyzed, enantioselective, three-component fluoroalkylarylation of unactivated alkenes with aryl halides and perfluoroalkyl iodides has been described. This cross-electrophile coupling protocol utilizes a chiral nickel/BiOx system as well as a pendant chelating group to facilitate the challenging three-component, asymmetric difunctionalization of unactivated alkenes, providing direct access

  镍催化、对映选择性、三组分氟烷基芳基化未活化的烯烃与芳基卤化物和全氟烷基碘化物已被描述。这种交叉亲电偶联方案利用手性镍/BiOx 系统以及悬垂的螯合基团来促进未活化烯烃的具有挑战性的三组分不对称双官能化，从而以高效和出色的对映选择性直接获得有价值的手性 β-氟烷基芳基烷烃. 温和的条件允许广泛的底物范围以及良好的官能团耐受性。
• PERFLUORINATED 5,6-DIHYDRO-4H-1,3-OXAZIN-2-AMINE COMPOUNDS AS BETA-SECRETASE INHIBITORS AND METHODS OF USE
  申请人：AMGEN INC.

  公开号：US20140249104A1

  公开（公告）日：2014-09-04

  The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A 4 , A 5 , A 6 , A 8 , each of R 1 and R 2 , R 3 and R 7 of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and corresponding uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formulas II and III, and sub-formula embodiments thereof, intermediates and processes and methods useful for the preparation of compounds of Formulas I-III.

  本发明提供了一类新的化合物，用于调节β-分泌酶（BACE）活性。这些化合物的通用公式为I： 其中变量A4，A5，A6，A8，公式I中的R1和R2，R3和R7各自独立定义如下。本发明还提供了包含这些化合物的药物组合物，以及使用这些化合物和组合物治疗与A-β斑块形成和沉积相关的疾病和/或状况，这些疾病和/或状况是由BACE的生物活性引起的。这样的BACE介导的疾病包括，例如，阿尔茨海默病，认知缺陷，认知障碍，精神分裂症和其他中枢神经系统疾病。本发明进一步提供了公式II和III的化合物，以及其子公式的实施例，中间体和用于制备公式I-III化合物的过程和方法。
• [EN] COMPOUNDS AND COMPOSITIONS AS RAF KINASE INHIBITORS<br/>[FR] COMPOSÉS ET COMPOSITIONS COMME INHIBITEURS DE PROTÉINES KINASES
  申请人：NOVARTIS AG

  公开号：WO2016038582A1

  公开（公告）日：2016-03-17

  The present invention provides compounds of Formula (I) and (II) as described herein, and salts thereof, and therapeutic uses of these compounds for treatment of disorders associated with Raf kinase activity. The invention further provides pharmaceutical compositions comprising these compounds, and compositions comprising these compounds and a therapeutic co-agent.

  本发明提供了如下所述的化合物(I)和(II)，以及其盐，并且提供了这些化合物用于治疗与Raf激酶活性相关的疾病的治疗用途。该发明还提供了包含这些化合物的药物组合物，以及包含这些化合物和治疗协同剂的组合物。
• Borates as a Traceless Activation Group for Intermolecular Alkylarylation of Ethylene through Photoredox/Nickel Dual Catalysis
  作者：Shengqing Zhu、Lingling Chu、Xiaoliang Feng、Lei Guo

  DOI：10.1055/a-1320-6946

  日期：2021.9

  formal ethylene alkylarylation reaction with aryl halides and alkyl oxalates enabled by synergistic photoredox/nickel catalysis is reported. This protocol takes advantage of borates as a traceless activation group, achieving the formal ethylene difunctionalized products via a catalytic three-component 1,2-alkylarylation of vinyl borate followed by a base-assisted deborylation process. The mild conditions

  据报道，通过协同的光氧化还原/镍催化，与芳基卤化物和草酸烷基酯的正式乙烯烷基芳基化反应。该方案利用硼酸盐作为无痕活化基团，通过硼酸乙烯基酯的催化三组分1,2-烷基芳基化，然后进行碱辅助的脱硼化过程，获得了正式的乙烯双官能化产物。温和的条件允许出色的官能团相容性和广泛的底物范围。