1-乙基-1H-吡唑-4-甲醛 | 304903-10-4

• 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: 1-乙基-1H-吡唑-4-甲醛
• 中文别名: 1-乙基-吡唑-4-甲醛；1-乙基吡唑-4-甲醛
• 英文名称: 1-ethyl-1H-pyrazole-4-carbaldehyde
• 英文别名: 1-ethylpyrazole-4-carbaldehyde
• CAS: 304903-10-4
• 化学式: C₆H₈N₂O
• mdl: MFCD02090888
• 分子量: 124.142
• InChiKey: UMSDESWKSPAALM-UHFFFAOYSA-N

物化性质

• 沸点：
  72°C/1.8mm
• 密度：
  1.10±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  0
• 重原子数：
  9
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.333
• 拓扑面积：
  34.9
• 氢给体数：
  0
• 氢受体数：
  2

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：
  P261,P280,P305+P351+P338
• 危险性描述：
  H302+H312+H332,H315,H319,H335
• 储存条件：
  室温条件下。

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 1-Ethyl-1H-pyrazole-4-carbaldehyde
Synonyms: 1-Ethyl-1H-pyrazole-4-carboxaldehyde

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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-Ethyl-1H-pyrazole-4-carbaldehyde
CAS number: 304903-10-4

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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: C6H8N2O
Molecular weight: 124.1

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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.

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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-乙基-1H-吡唑-4-甲醛 在 硫酸肼 作用下， 以 ammonium hydroxide 为溶剂， 反应 12.0h， 以86%的产率得到1-ethyl-1H-pyrazole-4-carbaldehyde azine
  参考文献：
  名称：

  Synthesis of 1-ethylpyrazole-4-carbaldehydes, 1,1’-methylenebis(3,5-dimethylpyrazole-4-carbaldehyde), and Schiff bases derived therefrom

  摘要：

  New pyrazole-containing aldehydes, 1-ethylpyrazole-4-carbaldehyde, 1-ethyl-3,5-dimethylpyrazole-4-carbaldehyde, and 1,1'-methylenebis(3,5-dimethylpyrazole-4-carbaldehyde), were synthesized by the Vilsmeier reaction. Their reactions with primary amines (aniline, hydrazine, ethylenediamine p-phenylenediamine, benzidine) gave the corresponding Schiff bases.

  DOI：

  10.1134/s1070428006040117
• 作为产物：
  描述：

  1-乙基-吡唑 在 水 、 三氯氧磷 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 反应 13.0h， 生成 1-乙基-1H-吡唑-4-甲醛
  参考文献：
  名称：

  Synthesis of 1-ethylpyrazole-4-carbaldehydes, 1,1’-methylenebis(3,5-dimethylpyrazole-4-carbaldehyde), and Schiff bases derived therefrom

  摘要：

  New pyrazole-containing aldehydes, 1-ethylpyrazole-4-carbaldehyde, 1-ethyl-3,5-dimethylpyrazole-4-carbaldehyde, and 1,1'-methylenebis(3,5-dimethylpyrazole-4-carbaldehyde), were synthesized by the Vilsmeier reaction. Their reactions with primary amines (aniline, hydrazine, ethylenediamine p-phenylenediamine, benzidine) gave the corresponding Schiff bases.

  DOI：

  10.1134/s1070428006040117

文献信息

• [EN] 1H-PYRAZOLO[4,3-B]PYRIDINES AS PDE1 INHIBITORS<br/>[FR] 1H-PYRAZOLO [4,3-B] PYRIDINES EN TANT QU'INHIBITEURS DE PDE1
  申请人：H LUNDBECK AS

  公开号：WO2018007249A1

  公开（公告）日：2018-01-11

  The present invention provides 1H-pyrazolo[4,3-b]pyridin-7-amines of formula (I) as PDE1 inhibitors and their use as a medicament, in particular for the treatment of neurodegenerative disorders and psychiatric disorders.

  本发明提供了式(I)的1H-吡唑并[4,3-b]吡啶-7-胺作为PDE1抑制剂，并将其用作药物，特别用于治疗神经退行性疾病和精神疾病。
• 1H-PYRAZOLO[4,3-B]PYRIDINES AS PDE1 INHIBITORS
  申请人：H. Lundbeck A/S

  公开号：US20190194189A1

  公开（公告）日：2019-06-27

  The present invention provides 1H-pyrazolo[4,3-b]pyridines of formula (I) as PDE1 inhibitors and their use as a medicament, in particular for the treatment of neurodegenerative disorders and psychiatric disorders.

  本发明提供了式(I)的1H-吡唑并[4,3-b]吡啶类化合物作为PDE1抑制剂，并将其用作药物，特别用于治疗神经退行性疾病和精神疾病。
• 3-Aminocyclopentanecarboxamides as Modulators of Chemokine Receptors
  申请人：Xue Chu-Biao

  公开号：US20070149532A1

  公开（公告）日：2007-06-28

  The present invention is directed to compounds of Formula I: I which are modulators of chemokine receptors. The compounds of the invention, and compositions thereof, are useful in the treatment of diseases related to chemokine receptor expression and/or activity.

  本发明涉及化合物I的化合物：I，这些化合物是趋化因子受体的调节剂。本发明的化合物及其组合物在治疗与趋化因子受体表达和/或活性相关的疾病方面是有用的。
• ANTI-HIV COMPOUNDS
  申请人：Prosetta Antiviral, Inc.

  公开号：US20160168100A1

  公开（公告）日：2016-06-16

  This invention provides, among other things, tetrahydroisoquinolines useful for treating viral infections, pharmaceutical formulations containing such compounds, as well as methods of inhibiting the replication of a virus, such as HIV, or treating a disease, such as AIDS.

  这项发明提供了用于治疗病毒感染的四氢异喹啉等化合物，含有这类化合物的药物配方，以及抑制病毒（如HIV）复制或治疗疾病（如艾滋病）的方法。
• [EN] INHIBITORS OF PI3K-DELTA AND METHODS OF THEIR USE AND MANUFACTURE<br/>[FR] INHIBITEUR DE PI3K-DELTA ET PROCÉDÉS D'UTILISATION ET DE FABRICATION CORRESPONDANTS
  申请人：EXELIXIS INC

  公开号：WO2012037226A1

  公开（公告）日：2012-03-22

  The invention is directed to Compounds of Formula I: and pharmaceutically acceptable salts or solvates thereof, as well as methods of making and using the compounds.

  这项发明涉及到式I的化合物及其药用可接受的盐或溶剂合物，以及制备和使用这些化合物的方法。