5-(2-溴苯基)-3-甲基-1,2,4-恶二唑 | 375857-64-0

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 唑类
• 中文名称: 5-(2-溴苯基)-3-甲基-1,2,4-恶二唑
• 英文名称: 5-(2-bromophenyl)-3-methyl-1,2,4-oxadiazole
• CAS: 375857-64-0
• 化学式: C₉H₇BrN₂O
• mdl: MFCD08435903
• 分子量: 239.071
• InChiKey: NYAFKUCVAVUCHW-UHFFFAOYSA-N

物化性质

• 熔点：
  43 °C

计算性质

• 辛醇/水分配系数(LogP)：
  2.9
• 重原子数：
  13
• 可旋转键数：
  1
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.111
• 拓扑面积：
  38.9
• 氢给体数：
  0
• 氢受体数：
  3

安全信息

• 危险品标志：
  Xi
• 海关编码：
  2934999090

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 5-(2-Bromophenyl)-3-methyl-1,2,4-oxadiazole
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: 5-(2-Bromophenyl)-3-methyl-1,2,4-oxadiazole
CAS number: 375857-64-0

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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.
Storage: Store in closed vessels, under −20◦C.

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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
Melting point: No data
Flash point: No data
Density: No data
Molecular formula: C9H7BrN2O
Molecular weight: 239.1

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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 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

反应信息

• 作为产物：
  描述：

  2-溴苯甲酰氯 在 magnesium sulfate 、 三乙胺 、 三氟乙酸 作用下， 以 乙醚 为溶剂， 反应 6.0h， 生成 5-(2-溴苯基)-3-甲基-1,2,4-恶二唑
  参考文献：
  名称：

  TFA 介导的氨基甲酸酯和腈合成 1,2,4-恶二唑

  摘要：

  通过使用腈作为底物和溶剂，开发了一种从氨基甲酸酯合成 1,2,4-恶二唑的前所未有的方案。这一一锅法通过 TFA 介导的 [3+2] 环化实现了 C=N 键的形成。以中等至良好的收率合成了一系列 1,2,4-恶二唑。

  DOI：

  10.1021/acs.joc.4c00640

文献信息

• 3-Phenyl-imidazo-pyrimidine derivatives as ligands for gaba receptors
  申请人：——

  公开号：US20030176449A1

  公开（公告）日：2003-09-18

  A class of 3-phenylimidazo(1,2-&agr;) pyrimidine derivatives (of Formula I, or salt or prodrug thereof: I) wherein Y represents a chemical bond, an oxygen atom, or a —NH— linkage; Z represents an optionally substituted aryl or heteroaryl group; R 1 represents hydrogen, hydrocarbon, a heterocyclic group, halogen, cyano trifluoromethyl, nitro, —OR a , —SR a , —SOR a , —SO 2 R a , —SO 2 NR a R b , —NR a R b , —NR a COR b , —NR a CO 2 R b , —COR a , CO 2 R a , —CONR a R b or —CR a ═NOR b ; and R a and R b independently represent hydrogen, hydrocarbon or a heterocyclic group.), substituted at the meta position of the phenyl ring by an optionally substituted aryl or heteroaryl group which is directly attached or bridged by an oxygen atom or a —NH— linkage, are selective ligands for GABA A receptors, in particular having good affinity for the a2 and/or a3 and/or a5 subunit thereof, and are accordingly of benefit in the treatment and/or prevention of adverse conditions of the central nervous system, including anxiety, convulsions and cognitive disorders. 1

  一类3-苯基咪唑[1,2-a]嘧啶衍生物（化学式I，或其盐或前药：I），其中Y代表化学键，氧原子，或—NH—连接；Z代表可选择取代的芳基或杂芳基团；R1代表氢，碳氢化合物，杂环基团，卤素，氰基，三氟甲基，硝基，—ORa，—SRa，—SORa，—SO2Ra，—SO2NRaRb，—NRaRb，—NRaCORb，—NRaCO2Rb，—CORa，CO2Ra，—CONRaRb或—CRa═NORb；而Ra和Rb独立地代表氢，碳氢化合物或杂环基团，取代苯环的间位由一个可选择取代的芳基或杂芳基团取代，该芳基或杂芳基团直接连接或通过氧原子或—NH—连接桥接，是GABAA受体的选择性配体，特别对a2和/或a3和/或a5亚基具有良好的亲和力，因此对于治疗和/或预防中枢神经系统的不良症状，包括焦虑、抽搐和认知障碍具有益处。
• 3-Phenyl-imidazo-pyrimidine derivatives as ligands for GABA receptors
  申请人：Merck Sharp & Dohme Ltd.

  公开号：US06642229B2

  公开（公告）日：2003-11-04

  A class of 3-phenylimidazo(1,2-a)pyrimidine derivatives (of Formula I, or salt or prodrug thereof: I) wherein Y represents a chemical bond, an oxygen atom, or a —NH— linkage; Z represents an optionally substituted aryl or heteroaryl group; R1 represents hydrogen, hydrocarbon, a heterocyclic group, halogen, cyano trifluoromethyl, nitro, —ORa, —SRa, —SORa, —SO2Ra, —SO2NRaRb, —NRaRb, —NRaCORb, —NRaCO2Rb, —CORa, CO2Ra, —CONRaRb or —CRa═NORb; and Ra and Rb independently represent hydrogen, hydrocarbon or a heterocyclic group.), substituted at the meta position of the phenyl ring by an optionally substituted aryl or heteroaryl group which is directly attached or bridged by an oxygen atom or a —NH— linkage, are selective ligands for GABAA receptors, in particular having good affinity for the a2 and/or a3 and/or a5 subunit thereof, and are accordingly of benefit in the treatment and/or prevention of adverse conditions of the central nervous system, including anxiety, convulsions and cognitive disorders.

  一类3-苯基咪唑并[1,2-a]嘧啶衍生物（化学式I，或其盐或前药：I），其中Y代表化学键，氧原子或—NH—连接；Z代表可选取代的芳基或杂芳基基团；R1代表氢、碳氢化合物、杂环基团、卤素、氰、三氟甲基、硝基、—ORa、—SRa、—SORa、—SO2Ra、—SO2NRaRb、—NRaRb、—NRaCORb、—NRaCO2Rb、—CORa、CO2Ra、—CONRaRb或—CRa═NORb；而Ra和Rb分别独立地代表氢、碳氢化合物或杂环基团。这些衍生物在苯环的间位上取代了可选取代的芳基或杂芳基基团，该基团直接连接或通过氧原子或—NH—连接桥接，是GABAA受体的选择性配体，特别是对a2和/或a3和/或a5亚单位具有良好的亲和力，因此对于治疗和/或预防中枢神经系统的不良症状，包括焦虑、惊厥和认知障碍，具有益处。
• NITROGENOUS HETEROCYCLIC AROMATIC COMPOUND, PREPARATION METHOD THEREFOR, PHARMACEUTICAL COMPOSITION THEREOF, AND APPLICATION THEREOF
  申请人：Shanghai Yingli Pharmaceutical Co. Ltd.

  公开号：EP3492461A1

  公开（公告）日：2019-06-05

  Provided are a nitrogenous heterocyclic aromatic compound, a preparation method therefor, a pharmaceutical composition thereof, and an application thereof. The nitrogenous heterocyclic aromatic compound can be used for treating and/or preventing various diseases mediated by ALK5.

  本文提供了一种含氮杂环芳香化合物、其制备方法、药物组合物及其应用。该含氮杂环芳香化合物可用于治疗和/或预防由 ALK5 介导的各种疾病。
• EP3492461
  申请人：——

  公开号：——

  公开（公告）日：——
• 3-PHENYL-IMIDAZO-PYRIMIDINE DERIVATIVES AS LIGANDS FOR GABA RECEPTORS
  申请人：MERCK SHARP & DOHME LTD.

  公开号：EP1294723A1

  公开（公告）日：2003-03-26