1-苄基-4-硝基-1H-吡唑 | 88095-61-8

• 分子结构分类: 有机化合物 - 有机1,3-偶极化合物 - 烯丙基型1,3-偶极有机化合物
• 中文名称: 1-苄基-4-硝基-1H-吡唑
• 英文名称: 1-benzyl-4-nitro-1H-pyrazole
• 英文别名: 1-benzyl-4-nitropyrazole；4-nitro-1-benzylpyrazole；1-benzyl-4-nitro-1H-pyrazole；1-(4-methoxy-benzyl)-4-nitro-1H-pyrazole；1-Benzyl-4-nitro-pyrazol
• CAS: 88095-61-8
• 化学式: C₁₀H₉N₃O₂
• mdl: MFCD03087886
• 分子量: 203.2
• InChiKey: IYZHZCMFLIKMSN-UHFFFAOYSA-N

物化性质

• 熔点：
  56-58°C
• 沸点：
  379.9±25.0 °C(Predicted)
• 密度：
  1.29±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.7
• 重原子数：
  15
• 可旋转键数：
  2
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.1
• 拓扑面积：
  63.6
• 氢给体数：
  0
• 氢受体数：
  3

安全信息

• 危险等级：
  IRRITANT
• 危险品标志：
  Xi
• 海关编码：
  2933199090
• 危险性防范说明：
  P280,P305+P351+P338
• 危险性描述：
  H302
• 储存条件：
  2-8°C，干燥密封保存。

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 1-Benzyl-4-nitropyrazole
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: 1-Benzyl-4-nitropyrazole
CAS number: 88095-61-8

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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: C10H9N3O2
Molecular weight: 203.2

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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.

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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：

  1-苄基-4-硝基-1H-吡唑 在 palladium 10% on activated carbon 、 氢气 、 O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 、 N,N-二异丙基乙胺 作用下， 以 乙醇 、 N,N-二甲基甲酰胺 为溶剂， 20.0 ℃ 、101.33 kPa 条件下， 生成 N-(1-benzyl-1H-pyrazol-4-yl)-5,5-dimethyl-1-((2-(trimethylsilyl)ethoxy)methyl)-4,5,6,7-tetrahydro-1H-indazole-3-carboxamide
  参考文献：
  名称：

  Property- and Structure-Guided Discovery of a Tetrahydroindazole Series of Interleukin-2 Inducible T-Cell Kinase Inhibitors

  摘要：

  Interleukin-2 inducible T-cell kinase (ITK), a member of the Tec family of tyrosine kinases, plays a major role in T-cell signaling downstream of the T-cell receptor (TCR), and considerable efforts have been directed toward discovery of ITK-selective inhibitors as potential treatments of inflammatory disorders such as asthma. Using a previously disclosed indazole series of inhibitors as a starting point, and using X-ray crystallography and solubility forecast index (SFI) as guides, we evolved a series of tetrahydroindazole inhibitors with improved potency, selectivity, and pharmaceutical properties. Highlights include identification of a selectivity pocket above the ligand plane, and identification of appropriate lipophilic substituents to occupy this space. This effort culminated in identification of a potent and selective ITK inhibitor (GNE-9822) with good ADME properties in preclinical species.

  DOI：

  10.1021/jm500550e
• 作为产物：
  描述：

  1-苄基-4-碘-1H-吡唑 在 硝酸 作用下， 以 四氢呋喃 为溶剂， 反应 2.5h， 以85%的产率得到1-苄基-4-硝基-1H-吡唑
  参考文献：
  名称：

  Silica–Sulfuric Acid Catalyzed Nitrodeiodination of Iodopyrazoles

  摘要：

  We report here the synthesis of nitropyrazoles in good to excellent yields from iodopyrazoles over silica-sulfuric acid catalyst for the first time. The present procedure require less acid, offers a simplified workup procedure, and may be applied for the nitration of a wide variety of iodoazoles in drug and pharmaceutical industries.

  DOI：

  10.1080/00397911.2011.584261

文献信息

• COMPOUNDS AND USES THEREOF
  申请人：Yumanity Therapeutics, Inc.

  公开号：US20190330198A1

  公开（公告）日：2019-10-31

  The present invention features compounds useful in the treatment of neurological disorders. The compounds of the invention, alone or in combination with other pharmaceutically active agents, can be used for treating or preventing neurological disorders.

  本发明涉及用于治疗神经系统疾病的化合物。本发明的化合物可以单独或与其他药用活性剂结合使用，用于治疗或预防神经系统疾病。
• Catalytic C–H Allylation and Benzylation of Pyrazoles
  作者：Seri Bae、Ha-Lim Jang、Haeun Jung、Jung Min Joo

  DOI：10.1021/jo5025317

  日期：2015.1.2

  general approach for the synthesis of allylated and benzylated pyrazoles. An electron-withdrawing substituent, such as nitro, chloro, and ester groups, at C4 renders the Lewis basic nitrogen atom to be less basic and the C–H bond more acidic than the ones of the parent ring, enabling Pd-catalyzed C–H allylation and benzylation reactions of pyrazoles. The new method expanding the scope of the C–H functionalization

  我们描述了合成烯丙基化和苄基化吡唑的一般方法。C4上的吸电子取代基（例如硝基，氯和酯基）使路易斯碱性氮原子的碱性更低，而C–H键比母环的酸性更高，从而使Pd催化的C–吡唑的烯丙基化和苄基化反应。新方法将吡唑的CH–H官能化范围扩大到芳基化反应以外，从而使人们能够快速获得复杂的吡唑化合物。
• Divergent Palladium-Catalyzed Cross-Coupling of Nitropyrazoles with Terminal Alkynes
  作者：Hyeri Ha、Changhoon Shin、Seri Bae、Jung Min Joo

  DOI：10.1002/ejoc.201800166

  日期：2018.6.7

  Facile homo‐coupling of terminal alkynes, which generates conjugated diynes, is an undesired pathway in the development of transition‐metal‐catalyzed oxidative C–H functionalization of (hetero)arenes with terminal alkynes. By incorporating this process into a catalytic cycle, we achieved regio‐ and stereoselective hydroarylation of nitropyrazoles with the resulting 1,3‐diynes. A simple change in the

  末端炔烃的容易的均质偶合生成共轭二炔，是过渡金属催化（杂）芳烃与末端炔烃的过渡金属催化氧化C–H官能化的一个不希望的途径。通过将此过程纳入催化循环，我们实现了硝基吡唑的区域和立体选择性加氢芳基化反应，生成了1,3-二炔。化学计量和氧化剂的简单变化即可使硝基吡唑直接进行CH炔基化反应，生成相应的炔基吡唑。
• HETEROCYCLIC GAMMA SECRETASE MODULATORS
  申请人：Baumann Karlheinz

  公开号：US20100120874A1

  公开（公告）日：2010-05-13

  The invention relates to methods for the treatment of Alzheimer's disease, cerebral amyloid angiopathy, hereditary cerebral hemorrhage with amyloidosis, Dutch-type (HCHWA-D), multi-infarct dementia, dementia pugilistica and Down syndrome which comprise administering a therapeutically effective amount of a compound of formula I wherein R 1 , R 2 , R 3 , V, W, Y, and Z are as defined herein or a pharmaceutically active acid addition salt of such compounds. The invention also relates to a subgenus of such compounds and pharmaceutical compositions containing them, as well as methods for their manufacture.

  该发明涉及治疗阿尔茨海默病、脑淀粉样血管病、遗传性淀粉样脑出血、荷兰型（HCHWA-D）、多梗塞性痴呆、拳击性痴呆和唐氏综合征的方法，包括给予化合物I的治疗有效量，其中R1、R2、R3、V、W、Y和Z如本文所定义，或者是这些化合物的药用活性酸盐。该发明还涉及这些化合物的亚属和含有它们的药物组合物，以及它们的制备方法。
• A Simple and Environmentally Benign Nitration of Pyrazoles by Impregnated Bismuth Nitrate
  作者：P. Ravi、Girish M. Gore、Surya P. Tewari、Arun K. Sikder

  DOI：10.1002/jhet.1093

  日期：2013.11

  environmentally friendly synthesis of nitropyrazoles in good yields using silica‐bismuth nitrate and silica‐sulfuric acid‐bismuth nitrate at room temperature for the first time. The relatively non‐toxic nature, ease of handling, easy availability, and low cost make the present procedure attractive for the nitration of a wide variety of diazoles in the drug and pharmaceutical industries.

  我们在这里首次报道了室温下使用二氧化硅-硝酸铋和二氧化硅-硫酸-硝酸铋以高收率轻松，快速，环保地合成硝基吡唑的方法。相对无毒的性质，易于处理，易于获得以及成本低廉，使得本方法对于制药和制药行业中各种二唑的硝化具有吸引力。