2-巯基-4-甲基-5-噻唑乙酸 | 34272-64-5

• 物质功能分类: 医药中间体 - 原料药中间体
• 分子结构分类: 有机化合物 - 有机杂环化合物 - 唑类
• 中文名称: 2-巯基-4-甲基-5-噻唑乙酸
• 中文别名: 头孢地嗪侧链酸；(2-巯基-4-甲基-5-噻唑基)乙酸；(2-巯基-4-甲基-噻唑-5-基)-乙酸；2-巯基-4-甲基-1,3-噻唑-5-基乙酸；MTAA/MMTA头孢地嗪侧链酸；5-(羧甲基)-2-巯基-4-甲基噻唑
• 英文名称: 2-mercapto-4-methyl-5-thiazoleacetic acid
• 英文别名: 5-carboxymethyl-2-mercapto-4-methyl-1,3-thiazole；2-(4-methyl-2-sulfanylidene-3H-1,3-thiazol-5-yl)acetic acid
• CAS: 34272-64-5
• 化学式: C₆H₇NO₂S₂
• mdl: MFCD01750430
• 分子量: 189.259
• InChiKey: KYBOCQHDFLVQIB-UHFFFAOYSA-N

物化性质

• 熔点：
  207 °C (dec.) (lit.)
• 沸点：
  363.4±44.0 °C(Predicted)
• 密度：
  1.52±0.1 g/cm3(Predicted)
• 溶解度：
  溶于DMSO、甲醇
• 最大波长(λmax)：
  320nm(H2O)(lit.)

计算性质

• 辛醇/水分配系数(LogP)：
  0.7
• 重原子数：
  11
• 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：
  107
• 氢给体数：
  2
• 氢受体数：
  4

安全信息

• 危险品标志：
  Xi
• 危险类别码：
  R36/37/38
• 危险品运输编号：
  UN 3335
• WGK Germany：
  3
• RTECS号：
  XJ1921000
• 海关编码：
  2934100090
• 安全说明：
  S26,S36
• 危险标志：
  GHS07
• 危险性描述：
  H315,H319,H335
• 危险性防范说明：
  P261,P305 + P351 + P338
• 储存条件：
  室温

SDS

(2-Mercapto-4-methyl-5-thiazolyl)acetic Acid Revision number: 5.3
SAFETY DATA SHEET

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Section 1. IDENTIFICATION
Product name: (2-Mercapto-4-methyl-5-thiazolyl)acetic Acid

Revision number: 5.3

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Section 2. HAZARDS IDENTIFICATION
GHS classification
PHYSICAL HAZARDS Not classified
HEALTH HAZARDS
Skin corrosion/irritation Category 2
Category 2A
Serious eye damage/eye irritation
ENVIRONMENTAL HAZARDS Not classified
GHS label elements, including precautionary statements
Pictograms or hazard symbols
Signal word Warning
Hazard statements Causes skin irritation
Causes serious eye irritation
Precautionary statements:
Wash hands thoroughly after handling.
[Prevention]
Wear protective gloves/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses,
[Response]
if present and easy to do. Continue rinsing.
If eye irritation persists: Get medical advice/attention.
IF ON SKIN: Gently wash with plenty of soap and water.
If skin irritation occurs: Get medical advice/attention.
Take off contaminated clothing and wash before reuse.

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Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
Substance/mixture: Substance
Components: (2-Mercapto-4-methyl-5-thiazolyl)acetic Acid
Percent: >98.0%(GC)(T)
CAS Number: 34272-64-5
Synonyms: 5-(Carboxymethyl)-2-mercapto-4-methylthiazole
C6H7NO2S2
Chemical Formula:

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Section 4. FIRST AID MEASURES
Inhalation: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
Get medical advice/attention if you feel unwell.

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Section 4. FIRST AID MEASURES
Skin contact: Remove/Take off immediately all contaminated clothing. Gently wash with plenty of
soap and water. If skin irritation or rash occurs: Get medical advice/attention.
Eye contact: Rinse cautiously with water for several minutes. Remove contact lenses, if present
and easy to do. Continue rinsing. If eye irritation persists: Get medical
advice/attention.
Ingestion: Get medical advice/attention if you feel unwell. Rinse mouth.
A rescuer should wear personal protective equipment, such as rubber gloves and air-
Protection of first-aiders:
tight goggles.

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Section 5. FIRE-FIGHTING MEASURES
Suitable extinguishing Dry chemical, foam, water spray, carbon dioxide.
media:
Specific hazards arising Take care as it may decompose upon combustion or in high temperatures to
from the chemical: generate poisonous fume.
Precautions for firefighters: Fire-extinguishing work is done from the windward and the suitable fire-extinguishing
method according to the surrounding situation is used. Uninvolved persons should
evacuate to a safe place. In case of fire in the surroundings: Remove movable
containers if safe to do so.
Special protective When extinguishing fire, be sure to wear personal protective equipment.
equipment for firefighters:

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Section 6. ACCIDENTAL RELEASE MEASURES
Personal precautions, Use personal protective equipment. Keep people away from and upwind of spill/leak.
protective equipment and Entry to non-involved personnel should be controlled around the leakage area by
emergency procedures: roping off, etc.
Environmental precautions: Prevent product from entering drains.
Methods and materials for Sweep dust to collect it into an airtight container, taking care not to disperse it.
containment and cleaning Adhered or collected material should be promptly disposed of, in accordance with
up: appropriate laws and regulations.

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Section 7. HANDLING AND STORAGE
Precautions for safe handling
Technical measures: Handling is performed in a well ventilated place. Wear suitable protective equipment.
Prevent dispersion of dust. Wash hands and face thoroughly after handling.
Use a local exhaust if dust or aerosol will be generated.
Advice on safe handling: Avoid contact with skin, eyes and clothing.
Conditions for safe storage, including any
incompatibilities
Storage conditions: Keep container tightly closed. Store in a cool and dark place.
Store away from incompatible materials such as oxidizing agents.
Packaging material: Comply with laws.

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Section 8. EXPOSURE CONTROLS / PERSONAL PROTECTION
Engineering controls: Install a closed system or local exhaust as possible so that workers should not be
exposed directly. Also install safety shower and eye bath.
Personal protective equipment
Respiratory protection: Dust respirator. Follow local and national regulations.
Hand protection: Protective gloves.
Safety glasses. A face-shield, if the situation requires.
Eye protection:
Skin and body protection: Protective clothing. Protective boots, if the situation requires.

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Section 9. PHYSICAL AND CHEMICAL PROPERTIES
Physical state (20°C): Solid
Crystal- Powder
Form:
Colour: White - Slightly pale yellow
No data available
Odour:

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Section 9. PHYSICAL AND CHEMICAL PROPERTIES
pH: No data available
Melting point/freezing point:211°C (dec.)
Boiling point/range: No data available
Flash point: No data available
Flammability or explosive
limits:
Lower: No data available
Upper: No data available
Relative density: No data available
Solubility(ies):
[Water] No data available
[Other solvents] No data available

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Section 10. STABILITY AND REACTIVITY
Chemical stability: Stable under proper conditions.
Possibility of hazardous No special reactivity has been reported.
reactions:
Incompatible materials: Oxidizing agents
Hazardous decomposition Carbon monoxide, Carbon dioxide, Nitrogen oxides (NOx), Sulfur oxides
products:

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Section 11. TOXICOLOGICAL INFORMATION
Acute Toxicity: ivn-mus LD50:1680 mg/kg
Skin corrosion/irritation: No data available
Serious eye No data available
damage/irritation:
Germ cell mutagenicity: No data available
Carcinogenicity:
No data available
IARC =
NTP = No data available
Reproductive toxicity: No data available
RTECS Number: XJ1921000

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Section 12. ECOLOGICAL INFORMATION
Ecotoxicity:
Fish: No data available
Crustacea: No data available
No data available
Algae:
Persistence / degradability: No data available
No data available
Bioaccumulative
potential(BCF):
Mobility in soil
Log Pow: No data available
Soil adsorption (Koc): No data available
Henry's Law No data available
constant(PaM3/mol):

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Section 13. DISPOSAL CONSIDERATIONS
Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material
with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system.
Observe all federal, state and local regulations when disposing of the substance.

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Section 14. TRANSPORT INFORMATION
Hazards Class: Does not correspond to the classification standard of the United Nations
UN-No: Not listed

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Section 15. REGULATORY INFORMATION
Safe management ordinance of dangerous chemical product (State Council announces on January 26, 2002
and revised on February 16,2011): Safe use and production, the storage of a dangerous chemical, transport,
loading and unloading were prescribed.

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SECTION 16 - ADDITIONAL INFORMATION
N/A

制备方法与用途

用途

抗生素头孢地嗪（Cefodizime）中间体用于生产头孢类原料药及中间体。

反应信息

• 作为反应物：
  描述：

  2-巯基-4-甲基-5-噻唑乙酸 在 盐酸 作用下， 以 甲醇 为溶剂， 生成 methyl 2-mercapto-4-methyl-1,3-thiazol-5-ylacetate
  参考文献：
  名称：

  1,3-thiazoles and their use as immunomodulators

  摘要：

  本发明涉及一般式为杂环-S-R的杂环硫化物的制备方法，特别是它们用于免疫刺激、免疫恢复和细胞毒素治疗的用途，以及含有此类硫化物的药物制剂，用于上述适应症。

  公开号：

  US04762848A1
• 作为产物：
  描述：

  Kenicef 在 盐酸 作用下， 以 水 为溶剂， 反应 48.0h， 生成 2-巯基-4-甲基-5-噻唑乙酸
  参考文献：
  名称：

  Acidic degradation of cefodizime (THR-221) and structural elucidation of the products. I.

  摘要：

  头孢地嗪钠（CDZM，THR-221）是一种新型半合成头孢菌素。研究人员对头孢地嗪的酸性降解及其降解产物的结构进行了研究。在酸性溶液中，头孢地嗪被转化为头孢地嗪的抗形式[THR-221-A]和Δ3-cephem形式[THR-221-B]。在另一条降解途径中，头孢地嗪被降解为去乙酰头孢他啶[THR-221-I]和巯基噻唑[THR-221-IV]。THR-221-I 进一步转变为去乙酰头孢他啶内酯[THR-221-IIa]及其反形式[THR-221-IIb]，即去内酰胺去乙酰头孢他啶内酯的两种异构体[THR-221-III 和 -III']、去内酰胺脱羧去乙酰头孢他啶内酯[THR-221-IVa]及其反形式[THR-221-IVb]和甲氧基亚氨基噻唑醛[THR-221-V]。在阐明结构的基础上，确定了头孢地嗪的酸性降解途径。

  DOI：

  10.1248/cpb.37.367

文献信息

• Synthesis and biological activity of 2-[2-(7-chloroquinolin-4-ylthio)-4-methylthiazol-5-yl]-<i>N</i>-phenylacetamide derivatives as antimalarial and cytotoxic agents
  作者：Hegira Rámirez、Juan R Rodrigues、Michael R Mijares、Juan B De Sanctis、Jaime E Charris

  DOI：10.1177/1747519819899073

  日期：2020.5

  A novel series of 2-[2-(7-chloroquinolin-4-ylthio)-4-methylthiazol-5-yl]-N-phenylacetamide derivatives is synthesized via substitution with 2-mercapto-4-methyl-5-thiazoleacetic acid at position 4 of 4,7-dichloroquinoline to obtain an intermediate acetic acid derivative. The chemical behavior of these reactants was investigated using different reaction conditions to optimize the nucleophilic substitution

  通过用 2-巯基-4-甲基-5-噻唑乙酸取代合成了一系列新型 2-[2-(7-氯喹啉-4-基硫基)-4-甲基噻唑-5-基]-N-苯基乙酰胺衍生物4,7-二氯喹啉的4位得到中间体乙酸衍生物。使用不同的反应条件研究这些反应物的化学行为，以优化 4 位的亲核取代。最终的化合物是使用乙酸中间体 3 和不同苯胺之间的 Steglich 酯化反应的改进版本制备的。这些结构通过红外、1H、13C、135°偏振转移无失真增强、相关光谱、异核相关光谱和（使用三个 BIRD 脉冲的长距离 HETCOR）FLOCK-NMR 光谱研究和元素分析得到证实。
• Design, synthesis and biological evaluation of novel ligustrazinylated derivatives as potent cardiovascular agents
  作者：Hongfei Chen、Guoning Li、Peng Zhan、Xiuli Guo、Qian Ding、Shouxun Wang、Xinyong Liu

  DOI：10.1039/c3md20352b

  日期：——

  A series of novel ligustrazinylated derivatives was designed, synthesized and evaluated for their platelet aggregation inhibition and protective effect on injured ECV-304 cells.

  一系列新型的利古替拉津基衍生物被设计、合成并评估其对血小板聚集抑制和对受损ECV-304细胞的保护作用。
• [EN] INHIBITORS OF HEPATITIS C VIRUS RNA-DEPENDENT RNA POLYMERASE, AND COMPOSITIONS AND TREATMENTS USING THE SAME<br/>[FR] INHIBITEURS DE L'ARN POLYMERASE ARN-DEPENDANTE DU VIRUS DE L'HEPATITE C ET COMPOSITIONS ET TRAITEMENTS UTILISANT CETTE POLYMERASE
  申请人：PFIZER

  公开号：WO2003095441A1

  公开（公告）日：2003-11-20

  Compounds of formula (I) are hepatitis C virus (HCV) RNA-dependent RNA polymerase (RdRp) inhibitors, and are useful in therapeutic and prophylactic treatment of persons infected with hepatitis C virus.

  化合物的化学式（I）是丙型肝炎病毒（HCV）RNA依赖性RNA聚合酶（RdRp）抑制剂，对感染丙型肝炎病毒的人进行治疗和预防性治疗具有用处。
• Method for producing cephalosporins
  申请人：ACS DOBFAR S.p.A.

  公开号：US20040002601A1

  公开（公告）日：2004-01-01

  A method for producing cephalosporins 7-substituted with an amino-thiazolylacetic group by reacting 7-ACA or its derivatives having the amino group and the carboxyl protected with reactive derivatives of amino-thiazolylacetic acid.

  通过将7-ACA或其具有氨基和羧基保护的衍生物与氨基噻唑乙酸的反应衍生物反应，制备带有氨基噻唑乙酸基团的头孢菌素7-取代物的方法。
• Catalytic and conductivity studies in two dimensional coordination polymers built with a thiazole based ligand
  作者：Prashant Kumar、Smaragda Lymperopoulou、Edward Loukopoulos、Wakana Matsuda、Nikolaos Kourkoumelis、Shu Seki、George E. Kostakis

  DOI：10.1016/j.poly.2018.04.040

  日期：2018.8

  The employment of the commercial availiable organic ligand 2-mercapto-4-methyl-5-thiazoleacetic acid (H2L) in Zn and Cd chemistry yields two-dimensional (2D) coordation polymers (CPs) with pseudopolymorphic character. Thermal, catalytic and conductivity studies are discussed.

  在Zn和Cd化学中使用商业上可用的有机配体2-巯基-4-甲基-5-噻唑乙酸（H2L）可以产生具有假多晶型特征的二维（2D）配位聚合物（CP）。讨论了热，催化和电导率研究。

表征谱图