4-溴-1H-吡唑-3-甲酸 | 13745-17-0

• 物质功能分类: 医药中间体
• 分子结构分类: 有机化合物 - 有机杂环化合物 - 唑类
• 中文名称: 4-溴-1H-吡唑-3-甲酸
• 中文别名: 4-溴吡唑-3-甲酸；4-溴吡唑-3-羧酸
• 英文名称: 4-bromo-1H-pyrazole-3-carboxylic acid
• 英文别名: 4-bromopyrazole-3(5)-carboxylic acid；4-bromo-1H-pyrazole-5-carboxylic acid
• CAS: 13745-17-0
• 化学式: C₄H₃BrN₂O₂
• 分子量: 190.984
• InChiKey: QISOBCMNUJQOJU-UHFFFAOYSA-N

物化性质

• 熔点：
  240 °C (decomp)
• 沸点：
  440.6±30.0 °C(Predicted)
• 密度：
  2.129±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  0.8
• 重原子数：
  9
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  66
• 氢给体数：
  2
• 氢受体数：
  3

安全信息

• 海关编码：
  2933199090
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H302,H315,H319,H335
• 储存条件：
  室温

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 4-Bromo-1h-pyrazole-3-carboxylic acid
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-1h-pyrazole-3-carboxylic acid
CAS number: 13745-17-0

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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.
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: C4H3BrN2O2
Molecular weight: 191.0

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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

制备方法与用途

应用方面，4-溴-1H-吡唑-3-甲酸作为一种吡唑类化合物，在医药和农药等领域被广泛应用。

在制备过程中，以4-溴-3-甲基吡唑为原料，通过氧化反应成功合成了目标化合物。研究了不同反应条件对产率的影响，并确定了最优的合成条件。其合成反应式如下图所示：

反应信息

• 作为反应物：
  描述：

  4-溴-1H-吡唑-3-甲酸 生成 4-溴吡唑
  参考文献：
  名称：

  Bromination of pyrazole-3(5)-carboxylic acid

  摘要：

  DOI：

  10.1134/s1070363207090289
• 作为产物：
  描述：

  4-溴-1-苯基磺酰基吡唑-5-羧酸 在 氢氧化钾 作用下， 以 甲醇 为溶剂， 反应 1.0h， 以60%的产率得到4-溴-1H-吡唑-3-甲酸
  参考文献：
  名称：

  Heinisch, Gottfried; Holzer, Wolfgang; Pock, Sabine, Journal of the Chemical Society. Perkin transactions I, 1990, # 7, p. 1829 - 1834

  摘要：

  DOI：

文献信息

• Modulators of Cystic Fibrosis Transmembrane Conductance Regulator
  申请人：VERTEX PHARMACEUTICALS INCORPORATED

  公开号：US20160095858A1

  公开（公告）日：2016-04-07

  The present invention features a compound of formula I: or a pharmaceutically acceptable salt thereof, where R 1 , R 2 , R 3 , W, X, Y, Z, n, o, p, and q are defined herein, for the treatment of CFTR mediated diseases, such as cystic fibrosis. The present invention also features pharmaceutical compositions, method of treating, and kits thereof.

  本发明涉及一种具有以下化学式I的化合物： 或其药用可接受的盐，其中R 1 ，R 2 ，R 3 ，W，X，Y，Z，n，o，p和q在此处定义，用于治疗CFTR介导的疾病，如囊性纤维化。本发明还涉及药物组合物、治疗方法和相关工具包。
• A Fragment-Based Method to Discover Irreversible Covalent Inhibitors of Cysteine Proteases
  作者：Stefan G. Kathman、Ziyang Xu、Alexander V. Statsyuk

  DOI：10.1021/jm500345q

  日期：2014.6.12

  reported which irreversibly tethers drug-like fragments to catalytic cysteines. We attached an electrophile to 100 fragments without significant alterations in the reactivity of the electrophile. A mass spectrometry assay discovered three nonpeptidic inhibitors of the cysteine protease papain. The identified compounds display the characteristics of irreversible inhibitors. The irreversible tethering system

  报道了一种新的基于片段的药物发现方法，该方法不可逆地将类药物片段束缚在催化半胱氨酸上。我们将亲电试剂连接到 100 个片段上，而亲电试剂的反应性没有显着改变。质谱分析发现了半胱氨酸蛋白酶木瓜蛋白酶的三种非肽抑制剂。鉴定出的化合物显示出不可逆抑制剂的特征。不可逆的束缚系统也显示出特异性：三种鉴定出的木瓜蛋白酶抑制剂不与 UbcH7、USP08 或带有 GST 标签的人类鼻病毒 3C 蛋白酶共价反应。
• [EN] PYRAZOLE COMPOUNDS USEFUL IN THE TREATMENT OF INFLAMMATION<br/>[FR] COMPOSÉS DE PYRAZOLE UTILES DANS LE TRAITEMENT D'UNE INFLAMMATION
  申请人：BIOLIPOX AB

  公开号：WO2006032851A1

  公开（公告）日：2006-03-30

  There is provided compounds of formula (I), wherein R1, R2, Ra and Rb have meanings given in the description, and pharmaceutically-acceptable salts thereof, which compounds are useful in the treatment of diseases in which inhibition of the activity of a lipoxygenase (e.g. 15-lipoxygenase) is desired and/or required, and particularly in the treatment of inflammation.

  提供具有公式(I)的化合物，其中R1，R2，Ra和Rb的含义如描述中所述，以及药用可接受的盐，这些化合物在需要和/或要求抑制脂氧合酶（例如15-脂氧合酶）活性的疾病治疗中有用，特别是在治疗炎症方面。
• [EN] FUSED IMIDAZOLE DERIVATIVES AS IL-17 MODULATORS<br/>[FR] DÉRIVÉS D'IMIDAZOLE FUSIONNÉS UTILISÉS EN TANT QU'INHIBITEURS D'IL-17
  申请人：UCB BIOPHARMA SPRL

  公开号：WO2019138017A1

  公开（公告）日：2019-07-18

  A series of substituted fused bicyclic imidazole derivatives, including benzimidazole derivatives and analogues thereof, being potent modulators of human IL-17 activity, are accordingly of benefit in the treatment and/or prevention of various human ailments, including inflammatory and autoimmune disorders.

  一系列替代的融合双环咪唑衍生物，包括苯并咪唑衍生物及其类似物，作为强效的人IL-17活性调节剂，因此在治疗和/或预防各种人类疾病，包括炎症性和自身免疫性疾病方面具有益处。
• PYRIDINE AND PYRAZINE DERIVATIVES - 083
  申请人：Barlaam Bernard Christophe

  公开号：US20090118305A1

  公开（公告）日：2009-05-07

  The invention concerns pyridine and pyrazine derivatives of Formula I or a pharmaceutically-acceptable salt thereof, wherein each of W, G 1 , G 2 , G 3 , G 4 , J, Ring A, n and R 3 has any of the meanings defined hereinbefore in the description; processes for their preparation, pharmaceutical compositions containing them and their use in the manufacture of a medicament for use in the treatment of cell proliferative disorders.

  本发明涉及式I的吡啶和吡嗪衍生物 或其药用可接受的盐，其中W、G 1 、G 2 、G 3 、G 4 、J、环A、n和R 3 各自具有如前文描述中定义的任何含义；它们的制备过程，包含它们的药物组合物以及它们在制造用于治疗细胞增殖性障碍的药物中的应用。