4-溴-1-甲基-吡唑-5-甲醛 | 473528-88-0

• 物质功能分类: 有机原料 - 醛类化合物
• 分子结构分类: 有机化合物 - 有机氧化合物
• 中文名称: 4-溴-1-甲基-吡唑-5-甲醛
• 中文别名: 4-溴-1-甲基-1H-吡唑-5-甲醛
• 英文名称: 4-bromo-1-methyl-1H-pyrazole-5-carbaldehyde
• 英文别名: 4-bromo-2-methyl-pyrazole-3-carbaldehyde；4-bromo-2-methyl-2H-pyrazole-3-carbaldehyde；4-bromo-2-methylpyrazole-3-carbaldehyde
• CAS: 473528-88-0
• 化学式: C₅H₅BrN₂O
• mdl: MFCD03074341
• 分子量: 189.011
• InChiKey: GXAHYXQWHWDEDY-UHFFFAOYSA-N

物化性质

• 熔点：
  102-103°C
• 沸点：
  275.2±20.0 °C(Predicted)
• 密度：
  1.73±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  0.7
• 重原子数：
  9
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.2
• 拓扑面积：
  34.9
• 氢给体数：
  0
• 氢受体数：
  2

安全信息

• 危险品标志：
  Xi
• 安全说明：
  S26,S37/39
• 危险类别码：
  R36/37/38
• 海关编码：
  2933199090
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H315,H319,H335

SDS

Name:	4-Bromo-1-methyl-1h-pyrazole-5-carbaldehyde 95+% Material Safety Data Sheet
Synonym:
CAS:	473528-88-0

Section 1 - Chemical Product MSDS Name:4-Bromo-1-methyl-1h-pyrazole-5-carbaldehyde 95+% Material Safety Data Sheet
Synonym:

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Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
473528-88-0	4-Bromo-1-methyl-1H-pyrazole-5-carbald	95+%	unlisted

Hazard Symbols: XI
Risk Phrases: 36/37/38

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Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. May be harmful if absorbed through the skin.
Ingestion:
May cause irritation of the digestive tract. May be harmful if swallowed.
Inhalation:
Causes respiratory tract irritation. May be harmful if inhaled.
Chronic:
Not available.

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Section 4 - FIRST AID MEASURES
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Get medical aid. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
Treat symptomatically and supportively.

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Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

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Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container.

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Section 7 - HANDLING and STORAGE
Handling:
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Storage:
Store in a cool, dry place. Store in a tightly closed container.

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Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 473528-88-0: Personal Protective Equipment Eyes: Not available.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

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Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Solid
Color: Not available.
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 102 - 103 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C5H5BrN2O
Molecular Weight: 189.01

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Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, carbon dioxide, hydrogen bromide, bromine.
Hazardous Polymerization: Has not been reported

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Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 473528-88-0 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
4-Bromo-1-methyl-1H-pyrazole-5-carbaldehyde - Not listed by ACGIH, IARC, or NTP.

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Section 12 - ECOLOGICAL INFORMATION

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Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

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Section 14 - TRANSPORT INFORMATION

IATA
No information available.
IMO
No information available.
RID/ADR
No information available.

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Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI
Risk Phrases:
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 37/39 Wear suitable gloves and eye/face
protection.
WGK (Water Danger/Protection)
CAS# 473528-88-0: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 473528-88-0 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 473528-88-0 is not listed on the TSCA inventory.
It is for research and development use only.

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SECTION 16 - ADDITIONAL INFORMATION
N/A

反应信息

• 作为反应物：
  描述：

  4-溴-1-甲基-吡唑-5-甲醛 在 三乙基硅烷 、 三氟乙酸 作用下， 以 四氢呋喃 为溶剂， 反应 17.0h， 生成 5-benzyl-4-bromo-1-methyl-1H-pyrazole
  参考文献：
  名称：

  [EN] TRIAZOLOPYRIDAZINE
  [FR] DÉRIVÉS TRIAZOLOPYRIDAZINES

  摘要：

  本发明涵盖了一般式(I)中的化合物，其中基团R1至R3具有声明和规范中给出的含义。本发明的化合物适用于治疗由过度或异常细胞增殖特征的疾病，包括含有这些化合物的药物制剂以及它们作为药物的用途。

  公开号：

  WO2014076146A1
• 作为产物：
  描述：

  1-甲基-1H-吡唑-5-甲醛 在 N-溴代丁二酰亚胺(NBS) 、 sodium hydroxide 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 反应 16.25h， 以73%的产率得到4-溴-1-甲基-吡唑-5-甲醛
  参考文献：
  名称：

  肟醚电环化方法用于杂芳族硼酸衍生物的合成和机理研究

  摘要：

  通过diboration /6π-电环化序列可以很容易地获得一系列功能化的杂芳族硼酸衍生物。这项研究揭示了令人惊讶的发现，即肟醚的立体化学和对电环化的反应性之间存在直接的关系。具体而言，ê -肟醚被发现是显著比它们的反应性更强ž -counterparts（相对于azatriene支架的立体化学）。相反，在氮杂三烯烯烃末端的构型对反应速率几乎没有影响。计算分析为这种观察提供了理论依据；N个孤对→C = Cπ*轨道相互作用降低E的电环化中的过渡态能量-肟醚。最后，可以通过光解促进的E → Z异构化和电环化序列将未反应的Z-肟醚转化为相应的杂环产物。

  DOI：

  10.1002/chem.201802350

文献信息

• MTA-Cooperative PRMT5 Inhibitors
  申请人：Mirati Therapeutics, Inc.

  公开号：US20210078994A1

  公开（公告）日：2021-03-18

  The present invention relates to compounds that inhibit Protein Arginine N-Methyl Transferase 5 (PRMT5) activity. In particular, the present invention relates to compounds, pharmaceutical compositions and methods of use, such as methods of treating cancer using the compounds and pharmaceutical compositions of the present invention.

  本发明涉及抑制蛋白精氨酸N-甲基转移酶5（PRMT5）活性的化合物。具体而言，本发明涉及化合物、药物组合物和使用方法，例如使用本发明的化合物和药物组合物治疗癌症的方法。
• [EN] PYRIMIDINE PDE10 INHIBITORS<br/>[FR] INHIBITEURS PYRIMIDINES DE PDE10
  申请人：MERCK SHARP & DOHME

  公开号：WO2014081619A1

  公开（公告）日：2014-05-30

  The present invention is directed to pyrimidine compounds which are useful as therapeutic agents for the treatment of central nervous system disorders associated with phosphodiesterase 10 (PDE10). The present invention also relates to the use of such compounds for treating neurological and psychiatric disorders, such as schizophrenia, psychosis or Huntington's disease, and those associated with striatal hypofunction or basal ganglia dysfunction.

  本发明涉及嘧啶化合物，这些化合物用作治疗与磷酸二酯酶10（PDE10）相关的中枢神经系统障碍的治疗剂。本发明还涉及使用这些化合物来治疗神经和精神障碍，如精神分裂症、精神疾病或亨廷顿病，以及与纹状体功能减退或基底神经节功能障碍相关的疾病。
• [EN] MACROCYCLES AND THEIR USE<br/>[FR] MACROCYCLES ET LEUR UTILISATION
  申请人：BLOSSOMHILL THERAPEUTICS INC

  公开号：WO2022011123A1

  公开（公告）日：2022-01-13

  The present disclosure relates to macrocyclic compounds, pharmaceutical compositions containing macrocyclic compounds, and methods of using macrocyclic compounds to treat disease, such as cancer.

  本公开涉及大环化合物、含有大环化合物的药物组合物，以及利用大环化合物治疗疾病（如癌症）的方法。
• DIAZANAPHTHALEN-3-YL CARBOXAMIDES AND PREPARATION AND USE THEREOF
  申请人：Samumed, LLC

  公开号：US20190127370A1

  公开（公告）日：2019-05-02

  Diazanaphthalene compounds for treating various diseases and pathologies are disclosed. More particularly, the present disclosure concerns the use of a diazanaphthalene compound or analogs thereof, in the treatment of disorders characterized by the activation of Wnt pathway signaling (e.g., cancer, abnormal cellular proliferation, angiogenesis, Alzheimer's disease, lung disease, inflammation, auto-immune diseases and osteoarthritis), the modulation of cellular events mediated by Wnt pathway signaling, as well as neurological conditions/disorders/diseases linked to overexpression of DYRK1A.

  本公开涉及使用二氮萘化合物或其类似物治疗通过激活Wnt途径信号传导特征的疾病的方法。更具体地，本公开涉及在治疗由Wnt途径信号传导激活所特征化的疾病（例如癌症、异常细胞增殖、血管生成、阿尔茨海默病、肺部疾病、炎症、自身免疫疾病和骨关节炎）中使用二氮萘化合物或其类似物，以及调节由Wnt途径信号传导介导的细胞事件，以及与DYRK1A过表达相关的神经病症/紊乱/疾病。
• ISOQUINOLIN-3-YL CARBOXAMIDES AND PREPARATION AND USE THEREOF
  申请人：Samumed, LLC

  公开号：US20170313681A1

  公开（公告）日：2017-11-02

  Isoquinoline compounds for treating various diseases and pathologies are disclosed. More particularly, the present disclosure concerns the use of an isoquinoline compound or analogs thereof, in the treatment of disorders characterized by the activation of Wnt pathway signaling (e.g., cancer, abnormal cellular proliferation, angiogenesis, Alzheimer's disease, lung disease, inflammation, auto-immune diseases and osteoarthritis), the modulation of cellular events mediated by Wnt pathway signaling, as well as neurological conditions/disorders/diseases linked to overexpression of DYRK1A.

  揭示了用于治疗各种疾病和病理的异喹啉化合物。更具体地，本公开涉及使用异喹啉化合物或其类似物治疗由Wnt途径信号激活所特征的疾病（例如癌症、异常细胞增殖、血管生成、阿尔茨海默病、肺部疾病、炎症、自身免疫疾病和骨关节炎），以及通过Wnt途径信号介导的细胞事件的调节，以及与DYRK1A过表达相关的神经状况/疾病/疾病。