5-甲基噻唑-2-甲酸 | 61291-21-2

• 物质功能分类: 有机原料 - 杂环化合物
• 分子结构分类: 有机化合物 - 有机杂环化合物 - 唑类
• 中文名称: 5-甲基噻唑-2-甲酸
• 中文别名: 5-甲基噻唑-2-羧酸
• 英文名称: 5-methylthiazole-2-carboxylic acid
• 英文别名: 5-methyl-1,3-thiazole-2-carboxylic acid
• CAS: 61291-21-2
• 化学式: C₅H₅NO₂S
• 分子量: 143.166
• InChiKey: UYDGNRLMYZMDOG-UHFFFAOYSA-N

物化性质

• 沸点：
  317.1±35.0 °C(Predicted)
• 密度：
  1.418±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.2
• 重原子数：
  9
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.2
• 拓扑面积：
  78.4
• 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：
  2934100090
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H315,H319,H335

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
5-Methylthiazole-2-carboxylic acid
Product Name:
Synonyms: 5-Methyl-1,3-thiazole-2-carboxylic acid

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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-Methylthiazole-2-carboxylic acid
Ingredient name:
CAS number: 61291-21-2

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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.
Store in closed vessels, under −20◦C.
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
Not specified
Appearance:
Boiling point: No data
Melting point: No data
Flash point: No data
Density: No data
Molecular formula: C5H5NO2S
Molecular weight: 143.2

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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, sulfur 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：

  5-甲基噻唑-2-甲酸 在 4-二甲氨基吡啶 、 N-溴代丁二酰亚胺(NBS) 、 potassium carbonate 、 N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 、 三氟乙酸 、 lithium hydroxide 、 过氧化苯甲酰 作用下， 以 四氢呋喃 、 甲醇 、 四氯化碳 、 二氯甲烷 、 水 、 N,N-二甲基甲酰胺 为溶剂， 反应 28.16h， 生成 3-(4-((2-((1,2,3,4-tetrahydronaphthalen-1-yl)carbamoyl)thiazol-5-yl)methoxy)phenyl)hex-4-ynoic acid
  参考文献：
  名称：

  含酰胺接头的GPR40激动剂的设计，合成及构效关系研究。

  摘要：

  游离脂肪酸受体1（FFAR1 / GPR40）作为开发新型抗糖尿病药物的潜在靶点受到了广泛的关注，因为其在葡萄糖体内稳态中的独特机制。几份报告表达了对GPR40激动剂的中枢神经系统（CNS）渗透的担忧，这可能归因于它们的高亲脂性和低总极性表面积。在此，我们报告了我们通过一系列结构优化来改善已进行I期临床试验的GPR40激动剂LY2881835的理化性质和药代动力学特性的努力。我们确定了一种口服有效化合物15k，与LY2881835相比，该化合物具有更高的血浆暴露量，更长的半衰期和更低的CNS暴露量以及肝血浆分布比。

  DOI：

  10.1016/j.ejmech.2018.04.023
• 作为产物：
  描述：

  5-甲基-噻唑-2-羧酸乙酯 在 氢氧化钾 、 水 作用下， 反应 0.08h， 生成 5-甲基噻唑-2-甲酸
  参考文献：
  名称：

  噻唑-2-羧酸酯的旋转异构现象的红外研究

  摘要：

  制备了一系列在4-和5-位含有一系列取代基的烷基噻唑-2-羧酸酯。这些酯的溶液（大多数是新化合物）在ir C O区域显示出良好拆分的双峰，这是由旋转异构体引起的。较高的波数分量被分配到更多的极性羰基Ø，小号-反-小号-反式-rotamers和下波数分量羰Ø，小号-顺式-小号-反式-forms。注意到甲酯之间的微小但系统的差异。

  DOI：

  10.1039/p19810002335

文献信息

• [EN] NOVEL TETRAHYDROPYRIDOPYRIMIDINES FOR THE TREATMENT AND PROPHYLAXIS OF HEPATITIS B VIRUS INFECTION<br/>[FR] NOUVELLES TÉTRAHYDROPYRIDOPYRIMIDINES POUR LE TRAITEMENT ET LA PROPHYLAXIE D'UNE INFECTION PAR LE VIRUS DE L'HÉPATITE B
  申请人：HOFFMANN LA ROCHE

  公开号：WO2018083106A1

  公开（公告）日：2018-05-11

  The present invention provides novel compounds having the general formula (I) wherein R1, R2 and Z are as described herein, compositions including the compounds and methods of using the compounds.

  本发明提供了具有一般式（I）的新化合物，其中R1、R2和Z如本文所述，包括这些化合物的组合物和使用这些化合物的方法。
• [EN] 5,6,7,8-TETRAHYDRO[1,2,4]TRIAZOLO[4,3-a]PYRAZINE DERIVATIVES AS P2X7 MODULATORS<br/>[FR] DÉRIVÉS DE 5,6,7,8-TÉTRAHYDRO[1,2,4]TRIAZOLO[4,3-A]PYRAZINE COMME MODULATEURS DE P2X7
  申请人：GLAXO GROUP LTD

  公开号：WO2010125102A1

  公开（公告）日：2010-11-04

  The present invention provides a compound of formula (I) or a pharmaceutically acceptable salt thereof wherein A is hydrogen, C1-4alkyl, C3-6cycloalkyl, C1-3alkoxy, C1-3alkoxy C1-4alkyl, C1-2fluoroalkyl, halogen, NR6 R7, optionally substituted heteroaryl (Het), or optionally substituted phenyl, and R1, R2, R3, R4, R5, R6 and R7 are as defined in the description. The compounds or salts are thought to modulate P2X7 receptor function and to be capable of antagonizing the effects of ATP at the P2X7 receptor. The invention also provides the use of the compound or salt in the treatment or prophylaxis of, for example, inflammatory pain, neuropathic pain, visceral pain, rheumatoid arthritis, osteoarthritis or neurodegenerative disorders.

  本发明提供了一种式(I)化合物或其药学上可接受的盐，其中A为氢、C1-4烷基、C3-6环烷基、C1-3烷氧基、C1-3烷氧基C1-4烷基、C1-2氟烷基、卤素、NR6 R7、任选取代的杂芳基(Het)或任选取代的苯基，且R1、R2、R3、R4、R5、R6和R7如说明书中所定义。这些化合物或盐被认为能够调节P2X7受体功能，并能拮抗ATP在P2X7受体上的作用。本发明还提供了该化合物或盐在治疗或预防例如炎症性疼痛、神经性疼痛、内脏疼痛、类风湿性关节炎、骨关节炎或神经退行性疾病中的用途。
• [EN] TRIAZOLE DERIVATIVES AS TANKYRASE INHIBITORS<br/>[FR] DÉRIVÉS DE TRIAZOLE UTILISÉS EN TANT QU'INHIBITEURS DE TANKYRASE
  申请人：OSLO UNIV HOSPITAL HF

  公开号：WO2018118868A1

  公开（公告）日：2018-06-28

  The present invention relates to compounds of formula (I'), tautomers, stereoisomers, and pharmaceutically acceptable salts thereof, to processes for their preparation, to pharmaceutical formulations containing such compounds and to their use in therapy (I') (wherein: Z represents an optionally substituted, 5- or 6-membered unsaturated heterocyclic group comprising at least one nitrogen atom; L represents a 4-, 5- or 6-membered cycloalkyl group, preferably a cyclobutyl group; each R1 independently represents F, CI, Br, I, C1-3 alkyl, C1-3 haloalkyl (e.g. -CF3), -CN, -OH or -NO2, preferably F, CI, Br or 1, e.g. CI or F; each R2independently represents F, CI, Br, I, C1-3 alkyl, -CN, -OH or -NO2, preferably F, CI, Br, I or -CN, e.g. F or -CN; X represents -NR3- or -0-; R3 represents H or a C1-3 alkyl group (e.g. methyl); n is an integer from 0 to 5, preferably 0 to 3, more preferably 0, 1 or 2, e.g 1; and m is an integer from 0 to 5, preferably 0 to 3, more preferably 0, 1 or 2, e.g. 0 or 1). These compounds find particular use in the treatment and/or prevention of conditions or diseases which are affected by over-activation of signaling in the WNT pathway and increased presence of nuclear β-catenin. For example, these may be used in preventing and/or retarding proliferation of tumor cells and metastasis, for example carcinomas such as colon carcinomas.

  本发明涉及式(I')的化合物，其互变异构体、立体异构体和药学上可接受的盐，以及其制备方法、含有这种化合物的药物配方以及它们在治疗中的用途(I')（其中：Z代表一个可选择取代的、含有至少一个氮原子的5-或6-成员不饱和杂环基团；L代表一个4-、5-或6-成员的环烷基基团，优选为环丁基基团；每个R1独立地代表F、Cl、Br、I、C1-3烷基、C1-3卤代烷基（例如-CF3）、-CN、-OH或-NO2，优选为F、Cl、Br或I，例如Cl或F；每个R2独立地代表F、Cl、Br、I、C1-3烷基、-CN、-OH或-NO2，优选为F、Cl、Br、I或-CN，例如F或-CN；X代表-NR3-或-0-；R3代表H或一个C1-3烷基基团（例如甲基）；n是一个从0到5的整数，优选为0到3，更优选为0、1或2，例如1；m是一个从0到5的整数，优选为0到3，更优选为0、1或2，例如0或1）。这些化合物在治疗和/或预防受WNT途径信号过度激活和核β-连环蛋白增加影响的疾病或病症方面具有特殊用途。例如，它们可用于预防和/或延缓肿瘤细胞和转移的增殖，例如结肠癌等癌症。
• [EN] BORON CONTAINING COMPOUNDS AND THEIR USES<br/>[FR] COMPOSÉS CONTENANT DU BORE ET LEURS UTILISATIONS
  申请人：BORAGEN INC

  公开号：WO2020264581A1

  公开（公告）日：2020-12-30

  The present disclosure contemplates a boron-containing compound, a composition containing a pesticidal effective amount of that compound dissolved or dispersed in a carrier medium, and a method of reducing, ameliorating, or controlling an infestation by a pest, particularly a fungus, by administering a contemplated composition to a plant or animal in need.

  本公开涉及一种含硼化合物，其中包含该化合物的杀虫有效量溶解或分散在载体介质中的组合物，以及通过向需要的植物或动物施用所述组合物来减少、改善或控制害虫，特别是真菌侵害的方法。
• Synthesis and characterization of novel classes of PDE10A inhibitors - 1H-1,3-benzodiazoles and imidazo[1,2-a]pyrimidines
  作者：Rafał Moszczyński-Pętkowski、Jakub Majer、Małgorzata Borkowska、Łukasz Bojarski、Sylwia Janowska、Mikołaj Matłoka、Filip Stefaniak、Damian Smuga、Katarzyna Bazydło、Krzysztof Dubiel、Maciej Wieczorek

  DOI：10.1016/j.ejmech.2018.05.043

  日期：2018.7

  compounds containing [1,2,4]triazolo [1,5-a]pyridine (I), pyrazolo [1,5-a]pyridine (II), 1H-1,3-benzodiazole (III) and imidazo [1,2-a]pyrimidine (IV) backbones were designed and synthesized for PDE10A interaction. Among these compounds, 1H-1,3-benzodiazoles and imidazo [1,2-a]pyrimidines showed the highest affinity for PDE10A enzyme as well as good metabolic stability. Both classes of compounds were identified

  含有[1,2,4]三唑[1,5- a ]吡啶（I），吡唑并[1,5- a ]吡啶（II），1 H -1,3-苯并二唑（III）和咪唑[设计并合成了1,2- α ]嘧啶（IV）骨架用于PDE10A相互作用。在这些化合物中，1 H -1,3-苯并二唑和咪唑并[1,2- a ]嘧啶类化合物对PDE10A酶的亲和力最高，且代谢稳定性良好。这两类化合物均被鉴定为选择性和有效的PDE10A酶抑制剂。