2-(4-氟苯基)咪唑并[1,2-a]吡啶 | 347-12-6

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 唑类
• 中文名称: 2-(4-氟苯基)咪唑并[1,2-a]吡啶
• 英文名称: 2-(4-fluorophenyl)imidazo[1,2-a]pyridine
• CAS: 347-12-6
• 化学式: C₁₃H₉FN₂
• mdl: MFCD00269178
• 分子量: 212.226
• InChiKey: PNOFVTHZVLYOFR-UHFFFAOYSA-N

物化性质

• 熔点：
  165-166 °C
• 密度：
  1.21±0.1 g/cm3(Predicted)
• 溶解度：
  29.9 [ug/mL]

计算性质

• 辛醇/水分配系数(LogP)：
  3.5
• 重原子数：
  16
• 可旋转键数：
  1
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  17.3
• 氢给体数：
  0
• 氢受体数：
  2

安全信息

• 海关编码：
  2933990090
• 储存条件：
  存储条件：2-8°C，密封保存，置于干燥处。

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 2-(4-Fluorophenyl)imidazo[1,2-a]pyridine
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: 2-(4-Fluorophenyl)imidazo[1,2-a]pyridine
CAS number: 347-12-6

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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.
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: C13H9FN2
Molecular weight: 212.2

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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 fluoride.

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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

反应信息

• 作为反应物：
  描述：

  2-(4-氟苯基)咪唑并[1,2-a]吡啶 在 高氯酸 、 lithium perchlorate 作用下， 以 二甲基亚砜 为溶剂， 以80 %的产率得到4-fluoro-N-(pyridin-2-yl)benzamide
  参考文献：
  名称：

  Easy Access to N-(Pyridin-2-yl)benzamides through Electro-oxidative Ring Opening of 2-Arylimidazo[1,2-a]pyridines

  摘要：

  摘要 报告了一种用于咪唑吡啶衍生物开环的电氧化方法。这种温和的方法为现有的苛刻反应条件提供了一种可持续的替代方案，并为生产对不同官能团具有良好耐受性的 N-(吡啶-2-基)酰胺衍生物提供了一种有效的方法。系统的机理研究深入揭示了反应途径，并发现 DMSO 的残余水是产物中氧原子的来源。

  DOI：

  10.1055/a-1956-9993
• 作为产物：
  描述：

  1-乙基-4-氟苯 在 叔丁基过氧化氢 、 碘 、 copper dichloride 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 反应 3.0h， 生成 2-(4-氟苯基)咪唑并[1,2-a]吡啶
  参考文献：
  名称：

  A multi pathway coupled domino strategy: I₂/TBHP-promoted synthesis of imidazopyridines and thiazoles via sp³, sp² and sp C–H functionalization

  摘要：

  实现了咪唑和噻唑的一锅法、多途径和原子经济合成。在催化体系中，使用I₂/TBHP作为引发剂和氧化剂，实现了sp³、sp²和sp C–H的官能化。

  DOI：

  10.1039/d1ra07438e

文献信息

• One pot synthesis of substituted imidazopyridines and thiazoles from styrenes in water assisted by NBS
  作者：Mahesh H. Shinde、Umesh A. Kshirsagar

  DOI：10.1039/c5gc02771c

  日期：——

  Heating of commercially available styrenes with NBS in water followed by reaction with 2-aminopyridines and thioamides afforded important heterocyclic scaffolds in a one pot procedure.

  将商业可获得的苯乙烯与NBS在水中加热，然后与2-氨基吡啶和硫代酰胺反应，在一锅法中得到重要的杂环骨架。
• Iodine-catalyzed regioselective sulfenylation of imidazoheterocycles in PEG₄₀₀
  作者：Marie-Aude Hiebel、Sabine Berteina-Raboin

  DOI：10.1039/c4gc01462f

  日期：——

  An iodine-catalyzed sulfenylation of imidazo[1,2-a]-pyridines, -pyrimidines, and [1,2-b]pyridazines is herein described with various thiophenols using hydrogen peroxide as an oxidizing agent in PEG400. The method enabled the formation of 3-arylthioimidazoheterocycles in moderate to excellent yields under metal-free conditions. Several functional groups were well tolerated under our optimized conditions

  本文描述了咪唑并[1,2- a ]-吡啶，-嘧啶和[1,2- b ]哒嗪的碘催化的亚磺酰基化，其中使用过氧化氢作为氧化剂在PEG 400中与各种硫酚一起使用。该方法能够在无金属条件下以中等至优异的产率形成3-芳基硫代咪唑并杂环。在我们优化的条件下，几个官能团的耐受性良好。
• Iodine-Mediated Difunctionalization of Imidazopyridines with Sodium Sulfinates: Synthesis of Sulfones and Sulfides
  作者：Yu-Jing Guo、Shuai Lu、Lu-Lu Tian、En-Ling Huang、Xin-Qi Hao、Xinju Zhu、Tian Shao、Mao-Ping Song

  DOI：10.1021/acs.joc.7b02734

  日期：2018.1.5

  Novel iodine-induced sulfonylation and sulfenylation of imidazopyridines have been described using sodium sulfinates as the sulfur source. This strategy enables highly selective difunctionalization of imidazo[1,2-a]pyridine to access sulfones and sulfides in good yields. A wide range of substrates and functional groups were well-tolerated under optimized conditions. Moreover, control experiments have

  已经描述了使用亚磺酸钠作为硫源的新的碘诱导的咪唑并吡啶的磺酰化和亚磺酰化。该策略能够使咪唑并[1,2- a ]吡啶高度选择性地进行双官能化，从而以高收率获得砜和硫化物。在最佳条件下，各种底物和官能团均具有良好的耐受性。此外，已经进行了对照实验，表明了反应机理中涉及的自由基途径。
• Metal-Free Regioselective Alkylation of Imidazo[1,2-a]pyridines with N-Hydroxyphthalimide Esters under Organic Photoredox Catalysis
  作者：Can Jin、Bin Sun、Tengwei Xu、Liang Zhang、Rui Zhu、Jin Yang、Min Xu

  DOI：10.1055/s-0039-1691567

  日期：2020.3

  A visible-light-induced direct C–H alkylation of imidazo[1,2-a]pyridines has been developed. It proceeds at room temperature by employing inexpensive Eosin Y as a photocatalyst and alkyl N-hydroxyphthalimide (NHP) esters as alkylation reagents. A variety of NHP esters derived from aliphatic carboxylic acids (primary, secondary, and tertiary) were tolerated in this protocol, giving the corresponding

  已开发出可见光诱导的咪唑并 [1,2-a] 吡啶直接 C-H 烷基化。它通过使用廉价的曙红 Y 作为光催化剂和烷基 N-羟基邻苯二甲酰亚胺 (NHP) 酯作为烷基化试剂在室温下进行。该协议允许使用源自脂肪族羧酸（初级、二级和三级）的各种 NHP 酯，从而以中等至极好的收率提供相应的 C-5 烷基化产品。机理研究表明，该过程涉及自由基脱羧偶联途径。
• Sodium Salts (NaI/NaBr/NaCl) for the Halogenation of Imidazo-Fused Heterocycles
  作者：Rashmi Semwal、Chitrakar Ravi、Rahul Kumar、Ramavatar Meena、Subbarayappa Adimurthy

  DOI：10.1021/acs.joc.8b02637

  日期：2019.1.18

  We report herein an effective method for the halogenation of imidazo-fused heterocycles using readily available sodium salts (NaCl/NaBr/NaI) as halogen source and K2S2O8 (or) oxone as promoter. A variety of C-3 halogenated imidazo[1,2-a]pyridines and benzo[d]imidazo[2,1-b]thiazoles were obtained in good to excellent yields. The present method of halogenation has been also extended to 2-aminopyridines

  我们在此报告了一种使用容易获得的钠盐（NaCl / NaBr / NaI）作为卤素源和K 2 S 2 O 8（或）oxone作为促进剂的咪唑基稠合杂环卤化的有效方法。以良好或优异的产率获得了各种C-3卤代咪唑并[1,2- a ]吡啶和苯并[d]咪唑并[2,1- b ]噻唑。本发明的卤化方法还以中等至优异的产率扩展到2-氨基吡啶，2-氨基嘧啶，吲哚和异喹啉。