2-溴-4,5-二氟苯乙酸 | 883502-07-6

• 物质功能分类: 有机原料 - 有机氟化合物 - 氟苯乙酸系列
• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 中文名称: 2-溴-4,5-二氟苯乙酸
• 英文名称: 2-bromo-4,5-difluorophenylacetic acid
• 英文别名: 2-(2-bromo-4,5-difluorophenyl)acetic acid
• CAS: 883502-07-6
• 化学式: C₈H₅BrF₂O₂
• 分子量: 251.027
• InChiKey: FQSLXVRCDYUESO-UHFFFAOYSA-N

物化性质

• 沸点：
  313.0±37.0 °C(Predicted)
• 密度：
  1.774±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.3
• 重原子数：
  13
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.12
• 拓扑面积：
  37.3
• 氢给体数：
  1
• 氢受体数：
  4

安全信息

• 海关编码：
  2916399090
• 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
2-Bromo-4,5-difluorophenylacetic 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.
2-Bromo-4,5-difluorophenylacetic acid
Ingredient name:
CAS number: 883502-07-6

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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: C8H5BrF2O2
Molecular weight: 251

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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, hydrogen fluoride, hydrogen bromide.

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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

上下游信息

• 下游产品

  中文名称	英文名称	CAS号	化学式	分子量
  ——	(2-bromo-4,5-difluorophenyl)acetonitrile	1017581-66-6	C8H4BrF2N	232.027

反应信息

• 作为反应物：
  描述：

  2-溴-4,5-二氟苯乙酸 在 1,1'-双(二苯膦基)二茂铁二氯化钯(II)二氯甲烷复合物 、 potassium triphosphate 、 硫酸 、 水 、 potassium acetate 、 lithium hydroxide 作用下， 以 四氢呋喃 、 1,4-二氧六环 为溶剂， 反应 16.0h， 生成 2-(4,5-difluoro-2-(6-(2-hydroxy-2-phenylethyl)pyridin-2-yl)phenyl)acetic acid
  参考文献：
  名称：

  内部亲核催化剂介导的环化/环扩环级联反应，用于合成中型内酯和内酰胺。

  摘要：

  描述了一种由线性前体合成中型内酯和内酰胺的策略，其中胺充当内部亲核催化剂，以促进新型环化/扩环级联序列。该方法避免了通常与中环环化方案相关的高稀释条件的需要，因为反应仅通过动力学上有利的“正常”尺寸的循环过渡态进行。该相同特征还使得能够通过点对轴手性转移以完全的对映选择性来制备含联芳基的中型环。

  DOI：

  10.1002/anie.201907206

文献信息

• [EN] HETEROARYL COMPOUNDS USEFUL AS INHIBITORS OF SUMO ACTIVATING ENZYME<br/>[FR] COMPOSÉS HÉTÉROARYLE UTILES EN TANT QU'INHIBITEURS DE L'ENZYME D'ACTIVATION SUMO
  申请人：DUFFEY MATTHEW O

  公开号：WO2016004136A1

  公开（公告）日：2016-01-07

  Disclosed are chemical entities which are compounds of formula (I); or pharmaceutically acceptable salts thereof; wherein Y, Ra, Ra', Rb, Rc, X1, X2, X3, Rd, Z1, and Z2 have the values described herein and stereochemical configurations depicted at asterisked positions indicate absolute stereochemistry. Chemical entities according to the disclosure can be useful as inhibitors of Sumo Activating Enzyme (SAE). Further provided are pharmaceutical compositions comprising a compound of the disclosure and methods of using the compositions in the treatment of proliferative, inflammatory, cardiovascular, and neurodegenerative diseases or disorders.

  公开了公式(I)的化合物或其药物可接受的盐； 其中Y、Ra、Ra'、Rb、Rc、X1、X2、X3、Rd、Z1和Z2具有本文所述的值，并且星号位置表示的立体化学配置指示绝对立体化学。 根据本公开的化学实体可用作Sumo激活酶（SAE）的抑制剂。 进一步提供了包含本公开化合物的药物组合物以及使用该组合物治疗增殖性、炎症性、心血管和神经退行性疾病或病症的方法。
• Borylation of Unactivated C(sp³)–H Bonds with Bromide as a Traceless Directing Group
  作者：Ge Zhang、Meng-Yao Li、Wen-Bo Ye、Zhi-Tao He、Chen-Guo Feng、Guo-Qiang Lin

  DOI：10.1021/acs.orglett.1c00617

  日期：2021.4.16

  A palladium-catalyzed alkyl C–H borylation with bromide as a traceless directing group is described, providing a convenient approach to access alkyl boronates bearing a β-all-carbon quaternary stereocenter. The protocol features a broad substrate scope, excellent site selectivity, and good functional group tolerance.

  描述了钯催化的溴化碳氢烷基化反应，并以溴化物为无影向的导向基团，提供了一种便捷的方法来接触带有β-全碳四级立体中心的硼酸烷基酯。该协议具有广泛的底物范围，出色的位点选择性和良好的官能团耐受性。
• HETEROCYCLIC SPIRO-COMPOUNDS
  申请人：Herold Peter

  公开号：US20100144774A1

  公开（公告）日：2010-06-10

  The patent application relates to new heterocyclic compounds of the general formula (I), in which R, R 1 , R 2 , Q, T, n and p have the definitions elucidated in more detail in the description, to a process for preparing them and to the use of these compounds as medicaments, particularly as aldosterone synthase inhibitors.

  该专利申请涉及一种新的杂环化合物，其通式为（I），其中R，R1，R2，Q，T，n和p的定义在描述中有更详细的解释，以及制备它们的方法和将这些化合物用作药物的用途，特别是作为醛固酮合成酶抑制剂。
• PHARMACEUTICAL COMPOSITION FOR TREATING DIABETES
  申请人：Ajinomoto Co., Inc.

  公开号：US20140336376A1

  公开（公告）日：2014-11-13

  Provided is a compound represented by the following general formula (I), or a pharmaceutically acceptable salt thereof. This novel compound has a glycogen-synthase activation ability, but activates a receptor PPAR to a low degree and is highly safe. In the formula, Ar is an aromatic carbocyclic ring or a heterocyclic ring; and Ar 2 is represented by any one of the following rings and the like.

  提供的化合物由以下的通式（I）或其药学上可接受的盐所代表。这种新型化合物具有糖原合成酶激活能力，但对受体PPAR的激活程度较低，非常安全。 在该式中，Ar代表芳香碳环或杂环；而Ar2代表以下任意一种环或类似环。
• HETEROARYL COMPOUNDS USEFUL AS INHIBITORS OF SUMO ACTIVATING ENZYME
  申请人：Millennium Pharmaceuticals, Inc.

  公开号：US20160009744A1

  公开（公告）日：2016-01-14

  Disclosed are chemical entities which are compounds of formula (I): or pharmaceutically acceptable salts thereof; wherein Y, R a , R a′ , R b , R c , X 1 , X 2 , X 3 , R d , Z 1 , and Z 2 have the values described herein and stereochemical configurations depicted at asterisked positions indicate absolute stereochemistry. Chemical entities according to the disclosure can be useful as inhibitors of Sumo Activating Enzyme (SAE). Further provided are pharmaceutical compositions comprising a compound of the disclosure and methods of using the compositions in the treatment of proliferative, inflammatory, cardiovascular, and neurodegenerative diseases or disorders.

  本发明涉及化学实体，其为以下式（I）的化合物或其药学上可接受的盐；其中，Y、Ra、Ra′、Rb、Rc、X1、X2、X3、Rd、Z1和Z2具有本文所述的值，并在星号位置描绘的立体化学构型表示绝对立体化学。根据本发明的化学实体可用作Sumo激活酶（SAE）的抑制剂。进一步提供了包括本发明化合物的制药组合物以及使用这些组合物治疗增生性、炎症性、心血管和神经退行性疾病或疾患的方法。