2-氯恶唑-4-羧酸乙酯 | 460081-18-9

• 物质功能分类: 化学试剂 - 有机试剂 - 酯类
• 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-氯恶唑-4-羧酸乙酯
• 中文别名: 2-氯-1,3-恶唑-4-甲酸乙酯；2-氯VA唑-4-羧酸乙酯；2-氯恶唑-4-甲酸乙酯；2-氯氧氮杂茂-4-羧酸乙酯；2-氯噁唑-4-羧酸乙酯
• 英文名称: ethyl 2-chloro-1,3-oxazole-4-carboxylate
• 英文别名: ethyl 2-chlorooxazole-4-carboxylate；2-chloro-oxazole-4-carboxylic acid ethyl ester；ethyl 2-chloroxazol-4-carboxylate
• CAS: 460081-18-9
• 化学式: C₆H₆ClNO₃
• mdl: MFCD06660120
• 分子量: 175.572
• InChiKey: SYWQOPRAPDMWMC-UHFFFAOYSA-N

物化性质

• 熔点：
  97-98℃
• 沸点：
  254.1±32.0 °C(Predicted)
• 密度：
  1.332±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.9
• 重原子数：
  11
• 可旋转键数：
  3
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.333
• 拓扑面积：
  52.3
• 氢给体数：
  0
• 氢受体数：
  4

安全信息

• 危险等级：
  IRRITANT
• 危险品标志：
  Xi
• 海关编码：
  2934999090
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H315,H319,H335
• 储存条件：
  保持冷静

SDS

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SECTION 1: Identification of the substance/mixture and of the company/undertaking
Product identifiers
Product name : Ethyl 2-Chlorooxazole-4-Carboxylate
REACH No. : A registration number is not available for this substance as the substance
or its uses are exempted from registration, the annual tonnage does not
require a registration or the registration is envisaged for a later
registration deadline.
Relevant identified uses of the substance or mixture and uses advised against
Identified uses : Laboratory chemicals, Manufacture of substances

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SECTION 2: Hazards identification
Classification of the substance or mixture
Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
This substance is not classified as dangerous according to Directive 67/548/EEC.
Label elements
The product does not need to be labelled in accordance with EC directives or respective national laws.
Other hazards
This substance/mixture contains no components considered to be either persistent, bioaccumulative and
toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.

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SECTION 3: Composition/information on ingredients
Substances
Molecular weight : 175,57 g/mol
No components need to be disclosed according to the applicable regulations.

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SECTION 4: First aid measures
Description of first aid measures
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration.
In case of skin contact
Wash off with soap and plenty of water.
In case of eye contact
Flush eyes with water as a precaution.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water.
Most important symptoms and effects, both acute and delayed
The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in
section 11
Indication of any immediate medical attention and special treatment needed
No data available

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SECTION 5: Firefighting measures
Extinguishing media
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture
Nature of decomposition products not known.
Advice for firefighters
Wear self-contained breathing apparatus for firefighting if necessary.
Further information
No data available

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SECTION 6: Accidental release measures
Personal precautions, protective equipment and emergency procedures
Avoid dust formation. Avoid breathing vapours, mist or gas.
For personal protection see section 8.
Environmental precautions
No special environmental precautions required.
Methods and materials for containment and cleaning up
Sweep up and shovel. Keep in suitable, closed containers for disposal.
Reference to other sections
For disposal see section 13.

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SECTION 7: Handling and storage
Precautions for safe handling
Provide appropriate exhaust ventilation at places where dust is formed.
For precautions see section 2.2.
Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Storage class (TRGS 510): Non Combustible Solids
Specific end use(s)
Apart from the uses mentioned in section 1.2 no other specific uses are stipulated

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SECTION 8: Exposure controls/personal protection
Control parameters
Components with workplace control parameters
Exposure controls
Appropriate engineering controls
General industrial hygiene practice.
Personal protective equipment
Eye/face protection
Use equipment for eye protection tested and approved under appropriate government standards
such as NIOSH (US) or EN 166(EU).
Skin protection
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
(without touching glove's outer surface) to avoid skin contact with this product. Dispose of
contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands.
The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
the standard EN 374 derived from it.
Body Protection
Choose body protection in relation to its type, to the concentration and amount of dangerous
substances, and to the specific work-place., The type of protective equipment must be selected
according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection
Respiratory protection is not required. Where protection from nuisance levels of dusts are desired,
use type N95 (US) or type P1 (EN 143) dust masks. Use respirators and components tested and
approved under appropriate government standards such as NIOSH (US) or CEN (EU).
Control of environmental exposure
No special environmental precautions required.

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SECTION 9: Physical and chemical properties
Information on basic physical and chemical properties
a) Appearance Form: solid
b) Odour No data available
c) Odour Threshold No data available
d) pH No data available
e) Melting point/freezing No data available
point
f) Initial boiling point and No data available
boiling range
g) Flash point No data available
h) Evaporation rate No data available
i) Flammability (solid, gas) No data available
j) Upper/lower No data available
flammability or
explosive limits
k) Vapour pressure No data available
l) Vapour density No data available
m) Relative density No data available
n) Water solubility No data available
o) Partition coefficient: n- No data available
octanol/water
p) Auto-ignition No data available
temperature
q) Decomposition No data available
temperature
r) Viscosity No data available
s) Explosive properties No data available
t) Oxidizing properties No data available
Other safety information
No data available

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SECTION 10: Stability and reactivity
Reactivity
No data available
Chemical stability
Stable under recommended storage conditions.
Possibility of hazardous reactions
No data available
Conditions to avoid
No data available
Incompatible materials
Strong oxidizing agents
Hazardous decomposition products
In the event of fire: see section 5

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SECTION 11: Toxicological information
Information on toxicological effects
Acute toxicity
No data available
Skin corrosion/irritation
No data available
Serious eye damage/eye irritation
No data available
Respiratory or skin sensitisation
No data available
Germ cell mutagenicity
No data available
Carcinogenicity
IARC: No component of this product present at levels greater than or equal to 0.1% is identified as
probable, possible or confirmed human carcinogen by IARC.
Reproductive toxicity
No data available
Specific target organ toxicity - single exposure
No data available
Specific target organ toxicity - repeated exposure
No data available
Aspiration hazard
No data available
Additional Information
RTECS: Not available
To the best of our knowledge, the chemical, physical, and toxicological properties have not been
thoroughly investigated.

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SECTION 12: Ecological information
Toxicity
No data available
Persistence and degradability
No data available
Bioaccumulative potential
No data available
Mobility in soil
No data available
Results of PBT and vPvB assessment
This substance/mixture contains no components considered to be either persistent, bioaccumulative and
toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.
Other adverse effects
No data available

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SECTION 13: Disposal considerations
Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company.
Contaminated packaging
Dispose of as unused product.

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SECTION 14: Transport information
UN number
ADR/RID: - IMDG: - IATA: -
UN proper shipping name
ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA: Not dangerous goods
Transport hazard class(es)
ADR/RID: - IMDG: - IATA: -
Packaging group
ADR/RID: - IMDG: - IATA: -
Environmental hazards
ADR/RID: no IMDG Marine pollutant: no IATA: no
Special precautions for user
No data available

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SECTION 15: Regulatory information
This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.
Safety, health and environmental regulations/legislation specific for the substance or mixture
No data available
Chemical Safety Assessment
For this product a chemical safety assessment was not carried out

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SECTION 16: Other information
Further information
Copyright 2014 Co. LLC. License granted to make unlimited paper copies for internal use
only.
The above information is believed to be correct but does not purport to be all inclusive and shall be
used only as a guide. The information in this document is based on the present state of our knowledge
and is applicable to the product with regard to appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Corporation and its Affiliates shall not be held
liable for any damage resulting from handling or from contact with the above product. See
and/or the reverse side of invoice or packing slip for additional terms and conditions of sale.

反应信息

• 作为反应物：
  描述：

  2-氯恶唑-4-羧酸乙酯 在 四(三苯基膦)钯 N-溴代丁二酰亚胺(NBS) 、 potassium carbonate 作用下， 以 氯仿 、 水 、 甲苯 为溶剂， 反应 53.0h， 生成 ethyl 2,5-diphenyloxazole-4-carboxylate
  参考文献：
  名称：

  2-氯恶唑-4-羧酸乙酯：一种通用的中间体，用于合成取代的恶唑。

  摘要：

  [反应：见正文]通过一系列区域控制的卤化反应和钯催化的偶联反应，由2-氯恶唑-4-羧酸乙酯（2）合成了各种取代的恶唑。该方法学应用于一系列2,4-二取代，2,5-二取代和2,4,5-三取代的恶唑的合成。

  DOI：

  10.1021/ol0262800
• 作为产物：
  描述：

  3-溴丙酮酸乙酯 在 亚硝酸特丁酯 、 copper dichloride 作用下， 以 乙醇 、 乙腈 为溶剂， 反应 6.0h， 生成 2-氯恶唑-4-羧酸乙酯
  参考文献：
  名称：

  Tuning and predicting biological affinity: aryl nitriles as cysteine protease inhibitors

  摘要：

  制备了一系列芳基腈基配体，以研究它们的亲电性对与胱氨酸蛋白酶罗德西亚酶和人类组织蛋白酶L的亲和力的影响。密度泛函理论计算提供了这些腈的相对反应性，使得能够预测它们的生物亲和力和细胞毒性，并明确了结构-活性关系。

  DOI：

  10.1039/c2ob00034b

文献信息

• IRAK DEGRADERS AND USES THEREOF
  申请人：Kymera Therapeutics, Inc.

  公开号：US20190192668A1

  公开（公告）日：2019-06-27

  The present invention provides compounds, compositions thereof, and methods of using the same.

  本发明提供了化合物、其组合物以及使用这些化合物的方法。
• 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。
• [EN] N-CYCLOPROPYL-N-PIPERIDINYL-AMIDES, PHARMACEUTICAL COMPOSITIONS CONTAINING THEM AND USES THEREOF<br/>[FR] N-CYCLOPROPYL-N-PIPÉRIDINYL-AMIDES, COMPOSITIONS PHARMACEUTIQUES LES CONTENANT ET LEURS UTILISATIONS
  申请人：BOEHRINGER INGELHEIM INT

  公开号：WO2014019967A1

  公开（公告）日：2014-02-06

  The present invention relates to compounds of general formula (I), wherein R1, LP, HetAr1, (Het)Ar2 and n are as defined in the application, which have valuable pharmacological properties, and in particular bind to the GPR119 receptor and modulate its activity.

  本发明涉及一般式（I）的化合物，其中R1、LP、HetAr1、（Het）Ar2和n如申请中所定义，具有有价值的药理特性，特别是结合GPR119受体并调节其活性。
• MACROCYCLIC COMPOUNDS AND THEIR USE AS KINASE INHIBITORS
  申请人：Combs Andrew Paul

  公开号：US20090286778A1

  公开（公告）日：2009-11-19

  The present invention relates to macrocyclic compounds of Formula I: or pharmaceutically acceptable salts thereof or quaternary ammonium salts thereof wherein constituent members are provided hereinwith, as well as their compositions and methods of use, which are JAK/ALK inhibitors useful in the treatment of JAK/ALK-associated diseases including, for example, inflammatory and autoimmune disorders, as well as cancer.

  本发明涉及以下化学式I的大环化合物： 或其药用可接受盐或季铵盐，其中所述成员在此提供，并且它们的组成物和使用方法，这些JAK/ALK抑制剂在治疗JAK/ALK相关疾病中有用，例如炎症和自身免疫性疾病以及癌症。