5-氯吡嗪-2-羧酸 | 36070-80-1

• 物质功能分类: 医药中间体 - 杂环化合物 - 吡嗪类化合物
• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二嗪类
• 中文名称: 5-氯吡嗪-2-羧酸
• 中文别名: 5-氯-2-吡嗪甲酸；5-氯吡嗪-2-羧基；2-氯-5-羧酸吡嗪；5-氯-2-吡嗪羧酸；5-氯-2-羧酸吡嗪
• 英文名称: 5-chloropyrazinoic acid
• 英文别名: 5-chloropyrazine-2-carboxylic acid；5-chloro-2-pyrazinecarboxylic acid
• CAS: 36070-80-1
• 化学式: C₅H₃ClN₂O₂
• mdl: MFCD09033269
• 分子量: 158.544
• InChiKey: FXJOTWLLDJYKAG-UHFFFAOYSA-N

物化性质

• 熔点：
  150-151℃
• 沸点：
  330.9±37.0 °C(Predicted)
• 密度：
  1.579±0.06 g/cm3(Predicted)
• pKa：
  2.68±0.10 (Predicted,Most Acidic Temp: 25 °C)

计算性质

• 辛醇/水分配系数(LogP)：
  0.1
• 重原子数：
  10
• 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：
  63.1
• 氢给体数：
  1
• 氢受体数：
  4

安全信息

• 危险等级：
  IRRITANT
• 危险品标志：
  Xi
• 海关编码：
  2933990090
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H315,H319,H335
• 储存条件：
  室温

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
5-Chloropyrazine-2-carboxylic acid
Product Name:
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
Wear protective gloves/protective clothing/eye protection/face protection
P280:
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present
and easy to do – continue rinsing
P304+P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
P405: Store locked up

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Section 3. Composition/information on ingredients.
5-Chloropyrazine-2-carboxylic acid
Ingredient name:
CAS number: 36070-80-1

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Section 4. First aid measures
Immediately wash skin with copious amounts of water for at least 15 minutes while removing
Skin contact:
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.
Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.
Ingestion:

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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
Not specified
Appearance:
Boiling point: No data
Melting point: No data
Flash point: No data
Density: No data
Molecular formula: C5H3ClN2O2
Molecular weight: 158.5

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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 chloride.

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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

5-氯吡嗪-2-羧酸是一种用于制药的吡嗪类化合物，可作为医药中间体使用。

反应信息

• 作为反应物：
  描述：

  5-氯吡嗪-2-羧酸 在 ammonium hydroxide 作用下， 反应 0.5h， 以70%的产率得到5-氨基-2-吡嗪酸
  参考文献：
  名称：

  乙吡嗪衍生物：作为抗感染药和非生物兴奋剂的合成和生物学评估。

  摘要：

  由于增加的抗菌素耐药性，结核分枝杆菌（Mtb）引起的结核病（TB）已成为致命的感染。这个严重的问题推动了全球范围内努力发现对Mtb有效的新药。一个研究领域是作为潜在抗结核药物的吡嗪酰胺衍生物的合成和评价。在本文中，我们报告了一系列脲基吡嗪的合成和生物学评估。通过使烷基/芳基异氰酸酯与氨基吡嗪或与5-氨基吡嗪-2-羧酸丙酯反应来合成化合物。使用具有聚焦场的CEM Discover微波反应器在加压小瓶中进行反应。评估了产品的纯度和化学结构，并在体外测试了最终化合物的抗分枝杆菌，抗菌和抗真菌活性。5-（3-苯基脲基）吡嗪-2-羧酸丙酯（化合物4，MICMtb = 1.56μg/ mL，5.19μM）和5-（3-（4-甲氧基苯基）脲基）吡嗪-2-羧酸丙酯（化合物6， MICMtb = 6.25μg/ mL，18.91μM）对Mtb H37Rv具有高抗分枝杆菌活性，对HepG2细胞系无体外细胞毒性。

  DOI：

  10.3390/molecules22101797
• 作为产物：
  描述：

  5-羟基吡嗪-2-羧酸 在 氯化亚砜 、 水 、 N,N-二甲基甲酰胺 作用下， 反应 4.0h， 生成 5-氯吡嗪-2-羧酸
  参考文献：
  名称：

  与新型水杨酰苯胺酯和氨基甲酸酯抗药性强的新兴病原体脓肿分枝杆菌和结核分枝杆菌

  摘要：

  在分枝杆菌属中，已经描述了一百多个物种，并且定期报告了新的物种。在一周内形成菌落的物种被归类为快速生长者，需要较长时间（长达三个月）的物种是大多数致病性缓慢的生长者。最近，已经发现了新出现的物种以延长名单，所有这些都是快速种植者。其中，脓肿分枝杆菌也是一种细胞内病原体，它是对化疗耐药性最强的快速增长的分枝杆菌。此外，耐多药结核分枝杆菌的病例感染也在增加。因此，迫切需要找到对抗这些威胁菌株的新的活性分子。基于先前的结果，设计，合成和表征了一系列的水杨酰苯胺，水杨酰苯胺5-氯吡嗪酸酯和氨基甲酸酯。评估了这些化合物对脓肿分支杆菌，易感结核分支杆菌H 37 Rv，多药耐药性（MDR）结核分支杆菌MDR A8，结核分支杆菌的体外活性MDR 9449/2006和具有极强抗性的Praha 131（XDR）菌株。所有衍生物均表现出显着的活性，并且在低微摩尔范围内具有最低抑菌浓度（MIC）。八种水杨酰苯胺氨

  DOI：

  10.1016/j.ejmech.2015.07.001
• 作为试剂：
  描述：

  5-羟基吡嗪-2-羧酸 、 N,N-二甲基甲酰胺 、 氯化亚砜 在 氯化亚砜 、 ice water 、 乙酸乙酯 、 Sodium sulfate-III 、 乙醚 、 5-氯吡嗪-2-羧酸 作用下， 反应 16.0h， 以to afford the title compound 5-chloropyrazine-2-carboxylic acid (10.53 g, 93% yield) as a brown solid的产率得到5-氯吡嗪-2-羧酸
  参考文献：
  名称：

  SELECTIVE OCTAHYDRO-CYCLOPENTA[C] PYRROLE NEGATIVE MODULATORS OF NR2B

  摘要：

  本发明公开了选择性负向调节含有NR1/NR2B亚基的NMDA受体的化合物，包括该化合物的制药组合物，以及使用该化合物治疗疾病的方法。

  公开号：

  US20150225342A1

文献信息

• ANDROGEN RECEPTOR MODULATING CARBOXAMIDES
  申请人：Törmakängas Olli

  公开号：US20140094474A1

  公开（公告）日：2014-04-03

  Compounds of formula (I) or (II) wherein R x , R z , R 9 , R 10 , R 14 , R 14 ′, R 15 , R 15 ′, A and B are as defined in the claims and pharmaceutically acceptable salts and esters thereof, are disclosed. The compounds possess utility as tissue-selective androgen receptor modulators (SARM) and are useful as medicaments in the treatment of prostate cancer and other AR dependent conditions and diseases where AR antagonism is desired.

  式(I)或(II)的化合物 其中R x ，R z ，R 9 ，R 10 ，R 14 ，R 14 ′，R 15 ，R 15 ′，A和B如权利要求中所定义，并且其药学上可接受的盐和酯已被披露。这些化合物具有作为组织选择性雄激素受体调节剂（SARM）的效用，并且在治疗前列腺癌和其他依赖于AR的疾病和病症中，需要AR拮抗作用时可用作药物。
• [EN] ANDROGEN RECEPTOR MODULATING CARBOXAMIDES<br/>[FR] CARBOXAMIDES MODULANT LES RÉCEPTEURS D'ANDROGÈNES
  申请人：ORION CORP

  公开号：WO2012143599A1

  公开（公告）日：2012-10-26

  Compounds of formula (I) wherein Rx, Rz, R9, R10, R14, R14', R15, R15', A and B are as defined in the claims and pharmaceutically acceptable salts and esters thereof, are disclosed. The compounds possess utility as tissue-selective androgen receptor modulators (SARM) and are particularly useful as medicaments in the treatment of prostate cancer and other AR dependent conditions and diseases where AR antagonism is desired.

  公式（I）中的化合物，其中Rx、Rz、R9、R10、R14、R14'、R15、R15'、A和B的定义如索赔中所述，并且其药学上可接受的盐和酯已被披露。这些化合物具有作为组织选择性雄激素受体调节剂（SARM）的效用，并且在治疗前列腺癌和其他依赖于雄激素受体的疾病和病症中特别有用，其中需要AR拮抗作用。
• ISOTHIOUREA DERIVATIVES OR ISOUREA DERIVATIVES HAVING BACE1 INHIBITORY ACTIVITY
  申请人：Tamura Yuusuke

  公开号：US20120015961A1

  公开（公告）日：2012-01-19

  The present invention provides, for example, a compound of the following formula (I): wherein R 1 is substituted amino and the like, R 2 is halogen and the like, R 3 is substituted or unsubstituted lower alkyl and the like, R A and R B are each independently hydrogen, substituted or unsubstituted lower alkyl and the like, R C and R D are each independently hydrogen, substituted or unsubstituted lower alkyl, or R C and R D together with the carbon atom to which they are attached may form a substituted or unsubstituted carbocycle, and ring A is a carbocycle or a heterocycle, its pharmaceutically acceptable salt, or a solvate thereof as a therapeutic agent for diseases induced by production, secretion and/or deposition of amyloid-βproteins.

  本发明提供了以下式（I）的化合物，例如： 其中R 1 是取代氨基等， R 2 是卤素等， R 3 是取代或未取代的较低烷基等， R A 和R B 各自独立地是氢、取代或未取代的较低烷基等， R C 和R D 各自独立地是氢、取代或未取代的较低烷基，或R C 和R D 与它们连接的碳原子一起可以形成取代或未取代的碳环，以及 环A是碳环或杂环， 其药学上可接受的盐，或其溶剂合物作为由淀粉样蛋白β的产生、分泌和/或沉积引起的疾病的治疗剂。
• [EN] SUBSTITUTED BENZAMIDE DERIVATIVES<br/>[FR] DÉRIVÉS DE BENZAMIDE SUBSTITUÉS
  申请人：HOFFMANN LA ROCHE

  公开号：WO2011076678A1

  公开（公告）日：2011-06-30

  The invention relates to compounds of formula I wherein R is hydrogen or lower alkyl; R1 is -(CH2)n-(O)o-heterocycloalkyl or -C(O)-heterocycloalkyl, wherein the heterocycloalkyl group is optionally substituted by lower alkyl, hydroxy, halogen or by -(CH2)p-aryl; n is 0, 1 or 2; o is 0 or 1; p is 0, 1 or 2; R2 is CF3, cycloalkyl, optionally substituted by lower alkoxy or halogen, or is indan-2-yl, or is heterocycloalkyl, optionally substituted by heteroaryl, or is aryl or heteroaryl, wherein the aromatic rings are optionally substituted by one or two substituents, selected from lower alkyl, halogen, heteroaryl, hydroxy, CF3, OCF3, OCH2CF3, OCH2-cycloalkyl, OCH2C(CH2OH)(CH2C1)(CH3), S-lower alkyl, lower alkoxy, CH2-lower alkoxy, lower alkinyl or cyano, or by-C(O)-phenyl, -O-phenyl, -O- CH2-phenyl, phenyl or -CH2-phenyl, and wherein the phenyl rings may optionally be substituted by halogen, -C(O)-lower alkyl, -C(O)OH or -C(O)O-lower alkyl, or the aromatic rings are optionally substituted by heterocycloalkyl, OCH2-oxetan-3-yl or O-tetrahydropyran-4-yl, optionally substituted by lower alkyl; X is a bond, -NR'-, -CH2NH-, -CHR''-, -(CHR'')q-O-, -O-(CHR'')q- or -(CH2)2-; Y is a bond or -CH2- R' is hydrogen or lower alkyl, R'' is hydrogen, lower alkyl, CF3, lower alkoxy, q is 0, 1, 2 or 3; or to a pharmaceutically suitable acid addition salt thereof. It has now been found that the compounds of formula I have a good affinity to the trace amine associated receptors (TAARs), especially for TAAR1. The compounds may be used for the treatment of depression, anxiety disorders, bipolar disorder, attention deficit hyperactivity disorder (ADHD), stress-related disorders, psychotic disorders such as schizophrenia, neurological diseases such as Parkinsons disease, neurodegenerative disorders such as Alzheimers disease, epilepsy, migraine, hypertension, substance abuse and metabolic disorders such as eating disorders, diabetes, diabetic complications, obesity, dyslipidemia, disorders of energy consumption and assimilation, disorders and malfunction of body temperature homeostasis, disorders of sleep and circadian rhythm, and cardiovascular disorders.

  该发明涉及以下式I的化合物，其中R是氢或较低的烷基；R1是-(CH2)n-(O)o-杂环烷基或-C(O)-杂环烷基，其中杂环烷基基团可选择地被较低的烷基，羟基，卤素或-(CH2)p-芳基取代；n为0、1或2；o为0或1；p为0、1或2；R2为CF3，环烷基，可选择地被较低的烷氧基或卤素取代，或为茚-2-基，或为杂环烷基，可选择地被杂芳基取代，或为芳基或杂芳基，其中芳香环可选择地被来自较低的烷基，卤素，杂芳基，羟基，CF3，OCF3，OCH2CF3，OCH2-环烷基，OCH2C(CH2OH)(CH2C1)(CH3)，S-较低的烷基，较低的烷氧基，CH2-较低的烷氧基，较低的炔基或氰基，或-C(O)-苯基，-O-苯基，-O-CH2-苯基，苯基或-CH2-苯基选择的一个或两个取代基取代，其中苯环可选择地被卤素，-C(O)-较低的烷基，-C(O)OH或-C(O)O-较低的烷基取代，或芳香环可选择地被杂环烷基，OCH2-氧杂环戊烷-3-基或O-四氢吡喃-4-基，可选择地被较低的烷基取代；X为键，-NR'-，-CH2NH-，-CHR''-，-(CHR'')q-O-，-O-(CHR'')q-或-(CH2)2-；Y为键或-CH2-；R'为氢或较低的烷基，R''为氢，较低的烷基，CF3，较低的烷氧基，q为0、1、2或3；或其药学上适宜的酸盐。现已发现，该式I的化合物对痕量胺相关受体（TAARs）具有良好的亲和力，特别是对于TAAR1。这些化合物可用于治疗抑郁症，焦虑症，躁郁症，注意力缺陷多动障碍（ADHD），与压力有关的疾病，如精神分裂症，帕金森病等神经疾病，阿尔茨海默病等神经退行性疾病，癫痫，偏头痛，高血压，物质滥用和代谢性疾病，如进食障碍，糖尿病，糖尿病并发症，肥胖症，血脂异常，能量消耗和吸收异常，体温稳态异常，睡眠和昼夜节律异常，以及心血管疾病。
• [EN] SUBSTITUTED N-(METHYL-D3)PYRIDAZINE-3-CARBOXAMIDE OR N-(METHYL-D3)-NICOTINAMIDE COMPOUNDS AS IL-12, IL-23 AND/OR IFNALPHA MODULATORS<br/>[FR] COMPOSÉS DE N-(MÉTHYL-D3)PYRIDAZINE-3-CARBOXAMIDE OU DE N-(MÉTHYL-D3)-NICOTINAMIDE SUBSTITUÉS UTILISÉS EN TANT QUE MODULATEURS D'IL-12, IL-23 ET/OU IFNALPHA
  申请人：BRISTOL MYERS SQUIBB CO

  公开号：WO2021222153A1

  公开（公告）日：2021-11-04

  There are disclosed compounds of the following formula I or a stereoisomer or pharmaceutically-acceptable salt thereof, wherein all substituents are as defined herein, which are useful in the modulation of IL-12, IL-23 and/or IFN?, by acting on Tyk-2 to cause signal transduction inhibition. The compounds of the invention may be useful for treating inflammatory and autoimmune diseases or disorders.

  以下是公开的化合物的化学式I或其立体异构体或药用可接受的盐，其中所有取代基如本文所定义，这些化合物在通过作用于Tyk-2引起信号转导抑制的调节IL-12、IL-23和/或IFNγ方面是有用的。本发明的化合物可能对治疗炎症性和自身免疫性疾病或紊乱有用。