2,4-二甲基吡啶-3-羧酸 | 55314-30-2

• 物质功能分类: 医药中间体 - 杂环化合物 - 吡啶类化合物
• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡啶及其衍生物
• 中文名称: 2,4-二甲基吡啶-3-羧酸
• 中文别名: 2,4-二甲基-3-吡啶羧酸；2,4-二甲基烟酸
• 英文名称: 2,4-dimethylnicotinic acid
• 英文别名: 2,4-dimethyl-3-pyridinecarboxylic acid；2,4-dimethyl nicotinic acid；2,6-dimethylnicotinic acid；2,4-dimethyl-nicotinic acid；2,4-Dimethyl-nicotinsaeure；2,4-dimethyl-3-pyridine carboxylic acid；2,4-dimethylpyridine-3-carboxylic acid
• CAS: 55314-30-2
• 化学式: C₈H₉NO₂
• 分子量: 151.165
• InChiKey: XSZKVKMGSAAAJZ-UHFFFAOYSA-N

物化性质

• 熔点：
  183-190℃
• 沸点：
  295.9±35.0 °C(Predicted)
• 密度：
  1.183

计算性质

• 辛醇/水分配系数(LogP)：
  1.1
• 重原子数：
  11
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  50.2
• 氢给体数：
  1
• 氢受体数：
  3

安全信息

• 危险品标志：
  Xi
• 安全说明：
  S26,S36/37/39
• 危险类别码：
  R36/37/38
• 海关编码：
  2933399090
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H315,H319,H335
• 储存条件：
  -20°C

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 2,4-Dimethyl-3-pyridinecarboxylic acid
Synonyms:

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Section 2. Hazards identification
Harmful by inhalation, in contact with skin, and if swallowed.
H315: Causes skin irritation
H319: Causes serious eye irritation
H335: May cause respiratory irritation
P261: Avoid breathing dust/fume/gas/mist/vapours/spray
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present
and easy to do – continue rinsing

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Section 3. Composition/information on ingredients.
Ingredient name: 2,4-Dimethyl-3-pyridinecarboxylic acid
CAS number: 55314-30-2

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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.
Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate
Eye contact:
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.

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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
No data
Boiling point:
Melting point: No data
Flash point: No data
Density: No data
Molecular formula: C8H9NO2
Molecular weight: 151.2

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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：

  2,4-二甲基吡啶-3-羧酸 在 氯化亚砜 、 sodium azide 、 水 作用下， 以 丙酮 为溶剂， 反应 2.0h， 以74%的产率得到2,4-二甲基-3-氨基吡啶
  参考文献：
  名称：

  DERIVATIVES OF 4-(N-AZACYCLOALKYL) ANILIDES AS POTASSIUM CHANNEL MODULATORS

  摘要：

  这项发明提供了钾通道调节剂，其化合物为公式I，其中W和Z中至少有一个是N；其中基团为下面的A或B之一： A 其中Ar是一个1,2-融合的六元环芳香基团，带有以下定义的取代基R1和R2，并含有零个或一个环氮原子；其他取代基在此处定义。 该发明还提供了一种组合物，包括一种药学上可接受的载体和以下至少一种：i) 公式I的化合物的药学有效量，以及ii) 其药学上可接受的盐、酯或前药。 该发明还提供了一种预防或治疗受钾通道活动影响的疾病或紊乱的方法，包括向有需要的患者施用公式I的化合物或其盐、酯或前药的治疗有效量。

  公开号：

  US20080318979A1
• 作为产物：
  描述：

  乙基2,4-二甲基吡啶-3-羧化物 在 sodium hydroxide 、 水 、 盐酸 作用下， 以 乙醇 、 甲醇 、 水 为溶剂， 反应 24.0h， 以99%的产率得到2,4-二甲基吡啶-3-羧酸
  参考文献：
  名称：

  DERIVATIVES OF 4-(N-AZACYCLOALKYL) ANILIDES AS POTASSIUM CHANNEL MODULATORS

  摘要：

  这项发明提供了钾通道调节剂，其化合物为公式I，其中W和Z中至少有一个是N；其中基团为下面的A或B之一： A 其中Ar是一个1,2-融合的六元环芳香基团，带有以下定义的取代基R1和R2，并含有零个或一个环氮原子；其他取代基在此处定义。 该发明还提供了一种组合物，包括一种药学上可接受的载体和以下至少一种：i) 公式I的化合物的药学有效量，以及ii) 其药学上可接受的盐、酯或前药。 该发明还提供了一种预防或治疗受钾通道活动影响的疾病或紊乱的方法，包括向有需要的患者施用公式I的化合物或其盐、酯或前药的治疗有效量。

  公开号：

  US20080318979A1

文献信息

• [EN] MACROCYCLIC BROAD SPECTRUM ANTIBIOTICS<br/>[FR] ANTIBIOTIQUES MACROCYCLIQUES À LARGE SPECTRE
  申请人：RQX PHARMACEUTICALS INC

  公开号：WO2018149419A1

  公开（公告）日：2018-08-23

  Provided herein are antibacterial compounds, wherein the compounds in some embodiments have broad spectrum bioactivity. In various embodiments, the compounds act by inhibition of bacterial type 1 signal peptidase (SpsB), an essential protein in bacteria. Pharmaceutical compositions and methods for treatment using the compounds described herein are also provided.

  本文提供了抗菌化合物，其中在某些实施例中，这些化合物具有广谱生物活性。在各种实施例中，这些化合物通过抑制细菌类型1信号肽酶（SpsB）发挥作用，这是细菌中的一种必需蛋白质。还提供了使用所述化合物的药物组合物和治疗方法。
• [EN] OCTAHYDROCYCLOPENTAPYRROLES, THEIR PREPARATION AND USE<br/>[FR] OCTAHYDROCYCLOPENTAPYRROLES, LEUR PRÉPARATION ET LEUR UTILISATION
  申请人：UNIV COLUMBIA

  公开号：WO2014152018A1

  公开（公告）日：2014-09-25

  The present invention provides Octahydrocyclopentapyrrole compounds having the structure: (structurally represented) wherein psi is absent or present, and when present is a bond; R1, R2, R3, R4, and R5 are each independently H, halogen, CF, or C1-C4 alkyl; R6 is absent or present, and when present is H, OH, or halogen; A is absent or present, and when present is C(O) or C(O)NH; B is substituted or unsubstituted monocycle, bicycle, heteromonocycle, heterobicycle, benzyl, CO2H or (C1-C4 alkyl)-CO2H, wherein when B is CO2H, then A is present and is C(O); and when psi is present, then R6 is absent and when psi is absent, then R6 is present, or a pharmaceutically acceptable salt thereof, for treatement of diseases characterized by excessive lipofuscin accumulation in the retina.

  本发明提供了具有以下结构的八氢环戊吡咯化合物：(结构表示) 其中psi为不存在或存在，当存在时为键；R1、R2、R3、R4和R5各自独立为H、卤素、CF或C1-C4烷基；R6不存在或存在，当存在时为H、OH或卤素；A不存在或存在，当存在时为C(O)或C(O)NH；B为取代或未取代的单环、双环、杂单环、杂双环、苄基、CO2H或(C1-C4烷基)-CO2H，其中当B为CO2H时，A存在且为C(O)；且当psi存在时，R6不存在，当psi不存在时，R6存在，或其药用可接受盐，用于治疗以视网膜过度脂褐素积聚为特征的疾病。
• Protease inhibitors
  申请人：——

  公开号：US20020049316A1

  公开（公告）日：2002-04-25

  The present invention provides compounds of formula (I) which inhibit proteases, including cathepsin K, pharmaceutical compositions of such compounds, and methods for treating diseases of excessive bone loss or cartilage or matrix degradation, including osteoporosis; gingival disease including gingivitis and periodontitis; arthritis, more specifically, osteoarthritis and rheumatoid arthritis; Paget's disease; hypercalcemia or malignancy; and metabolic bone disease therewith.

  本发明提供了一种公式（I）的化合物，其抑制蛋白酶，包括卡特普辛K，以及这些化合物的药物组合物，以及治疗骨量过度流失或软骨或基质降解疾病的方法，包括骨质疏松症；牙龈疾病，包括牙龈炎和牙周炎；关节炎，更具体地说是骨关节炎和类风湿关节炎；帕吉特病；高钙血症或恶性肿瘤；以及代谢性骨病。
• [EN] COMPOUNDS AND METHODS<br/>[FR] COMPOSÉS ET MÉTHODES
  申请人：TEMPERO PHARMACEUTICALS INC

  公开号：WO2013019682A1

  公开（公告）日：2013-02-07

  The present invention relates to novel retinoid-related orphan receptor gamma (RORγ) modulators and their use in the treatment of diseases mediated by RORy.

  本发明涉及新型视黄醛酸相关孤儿受体γ（RORγ）调节剂及其在治疗由RORγ介导的疾病中的应用。
• Piperazine derivatives useful as CCR5 antagonists
  申请人：Schering Corporation

  公开号：US06391865B1

  公开（公告）日：2002-05-21

  The use of CCR5 antagonists of the formula or a pharmaceutically acceptable salt thereof, wherein R is optionally substituted phenyl, pyridyl, thiophenyl or naphthyl; R1 is hydrogen or alkyl; R2 is substituted phenyl, substituted heteroaryl, naphthyl, fluorenyl, diphenylmethyl or optionally substituted phenyl- or heteroaryl-alkyl; R3 is hydrogen, alkyl, alkoxyalkyl, cycloalkyl, cycloalkylalkyl, or optionally substituted phenyl, phenylalkyl, naphthyl, naphthylalkyl, heteroaryl or heteroarylalkyl; R4, R5 and R7 are hydrogen or alkyl; R6 is hydrogen, alkyl or alkenyl; for the treatment of HIV, solid organ transplant rejection, graft v. host disease, arthritis, rheumatoid arthritis, inflammatory bowel disease, atopic dermatitis, psoriasis, asthma, allergies or multiple sclerosis is disclosed, as well as novel compounds, pharmaceutical compositions comprising them, and the combination of CCR5 antagonists of the invention in combination with antiviral agents useful in the treatment of HIV or agents useful in the treatment of inflammatory diseases.

  公开了使用CCR5拮抗剂的公式，其中 R是可选择的取代苯基，吡啶基，噻吩基或萘基; R1是氢或烷基; R2是取代苯基，取代杂环基，萘基，芴基，二苯甲基或可选择的取代苯基或杂环基烷基; R3是氢，烷基，烷氧基烷基，环烷基，环烷基烷基，或可选择的取代苯基，苯基烷基，萘基，萘基烷基，杂环基或杂环基烷基; R4，R5和R7是氢或烷基; R6是氢，烷基或烯基; 用于治疗HIV，固体器官移植排斥，移植物宿主病，关节炎，类风湿关节炎，炎症性肠病，特应性皮炎，牛皮癣，哮喘，过敏或多发性硬化症的方法，以及包含它们的新化合物，包含它们的药物组合物，以及CCR5拮抗剂与抗HIV治疗中有用的抗病毒剂或与治疗炎症性疾病中有用的药物的组合。