4,5-二氟-2-碘苯甲酸 | 130137-05-2

• 物质功能分类: 化学试剂 - 有机试剂 - 芳烃
• 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: 4,5-二氟-2-碘苯甲酸
• 中文别名: 2-碘-4,5-二氟苯甲酸
• 英文名称: 4,5-difluoro-2-iodobenzoic acid
• CAS: 130137-05-2
• 化学式: C₇H₃F₂IO₂
• mdl: MFCD02684316
• 分子量: 284.001
• InChiKey: NHXDCVFTXJVUGK-UHFFFAOYSA-N

物化性质

• 沸点：
  305.7±42.0 °C(Predicted)
• 密度：
  2.144±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.3
• 重原子数：
  12
• 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：
  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：
  H302,H315,H319,H335

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 4,5-Difluoro-2-iodobenzoic acid
Synonyms:

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Section 2. Hazards identification
Harmful by inhalation, in contact with skin, and if swallowed.

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Section 3. Composition/information on ingredients.
Ingredient name: 4,5-Difluoro-2-iodobenzoic acid
CAS number: 130137-05-2

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

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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, refrigerated.
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
Appearance: Not specified
Boiling point: No data
No data
Melting point:
Flash point: No data
Density: No data
Molecular formula: C7H3F2IO2
Molecular weight: 284

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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 Iodide.

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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

用途

4,5-二氟-2-碘苯甲酸是合成药物埃替格韦的关键中间体。

反应信息

• 作为反应物：
  描述：

  4,5-二氟-2-碘苯甲酸 在 deuterium sodium hypophosphite monohydrate 、 aaph 、 碳酸氢钠 作用下， 以 水 为溶剂， 反应 5.0h， 以87%的产率得到3,4-difluorobenzoic-6-d acid
  参考文献：
  名称：

  与水相容的次磷酸盐-d2试剂：在水溶液中通过氘代碘化的氘代反应。

  摘要：

  与通常需要氘代溶剂和/或排除水分的常规氘代方法相反，本文提出了在水溶液（H 2 O）中可获得的前所未有的氘代-碘化反应。通过利用无机氘化次磷酸钙/次磷酸钠的稳定性在pH 2.5-11.7范围内对抗随意的H / D同位素交换，这些耐贮存，无毒，经济高效且对环境有益的氘化试剂可介导各种烷基碘和芳基碘的氘代在水（H2O）溶液中加入足够的同位素。

  DOI：

  10.1021/acs.orglett.0c00001
• 作为产物：
  描述：

  2-氨基-4,5-二氟苯甲酸 在 硫酸 、 sodium nitrite 、 potassium iodide 作用下， 以 水 为溶剂， 以58%的产率得到4,5-二氟-2-碘苯甲酸
  参考文献：
  名称：

  Measurements of weak halogen bond donor abilities with tridentate anion receptors

  摘要：

  利用三齿受体的螯合效应来确定卤键结合常数，这些常数跨越了几个数量级的变化范围，包括以前无法获得热力学数据的弱供体之间的相互作用。自由能与计算和实验性质的关系在广泛供体范围内保持一致。比较了基于碘和溴的卤键、CH-阴离子和阴离子-芳香烃相互作用的强度。

  DOI：

  10.1039/c0cc03347b

文献信息

• One-Pot C–H Arylation/Lactamization Cascade Reaction of Free Benzylamines
  作者：Pratibha Chand-Thakuri、Vinod G. Landge、Mohit Kapoor、Michael C. Young

  DOI：10.1021/acs.joc.0c00542

  日期：2020.5.15

  ortho-arylation of benzylamines followed by in situ lactamization. This cascade sequence is enabled by the use of 2-iodobenzoates, which facilitates C-H arylation from the free amine under conditions that typically require an improved directing group approach. This reaction is characterized by a broad substrate scope with good functional group tolerance. The need for an ester versus carboxylic acid-functionalized

  已经开发出一种有效的方法，用于合成七元联芳基内酰胺，涉及钯催化的，天然胺导向的苄胺的正芳基化，然后进行原位内酰胺化。通过使用2-碘代苯甲酸酯使该级联序列成为可能，其在通常需要改进的导向基团方法的条件下促进游离胺的CH芳基化。该反应的特征在于底物范围广，具有良好的官能团耐受性。还探索了对酯对羧酸官能化的偶合剂的需求，以及合成八元联芳基内酰胺的潜力。还研究了各种应用，包括使用氮杂-油菜素内酯核心。
• [EN] SUBSTITUTED TRICYCLIC AMIDES, ANALOGUES THEREOF, AND METHODS USING SAME<br/>[FR] AMIDES TRICYCLIQUES SUBSTITUÉS, ANALOGUES DE CEUX-CI ET PROCÉDÉS LES METTANT EN OEUVRE
  申请人：ARBUTUS BIOPHARMA CORP

  公开号：WO2021229302A1

  公开（公告）日：2021-11-18

  The present disclosure includes substituted tricyclic amides, or analogues thereof of formula (I) (I), wherein X, Y, ring A, R1, R5, R6 and R7 are as defined herein, and compositions comprising compounds of formula (I) that can be used to treat or prevent hepatitis B virus (HBV) and/or hepatitis D virus (HDV) infections in a patient.

  本公开涵盖了替代三环酰胺，或其类似物的化合物，其化学式为(I)，其中X、Y、环A、R1、R5、R6和R7如本文所定义，并包括化合物(I)的组合物，可用于治疗或预防患者体内的乙型肝炎病毒（HBV）和/或丙型肝炎病毒（HDV）感染。
• [EN] PHTHALAZINE DERIVATIVES AS INHIBITORS OF PARP1, PARP2 AND/OR TUBULIN USEFUL FOR THE TREATMENT OF CANCER<br/>[FR] DÉRIVÉS DE PHTALAZINE UTILES EN TANT QU'INHIBITEURS DE PARP1, PARP2 ET/OU DE TUBULINE DANS LE TRAITEMENT DU CANCER
  申请人：UNIV CALIFORNIA

  公开号：WO2017223516A1

  公开（公告）日：2017-12-28

  The application relates to phthalazine derivatives of formula (I) which are inhibitors of PARP1, PARP2 and/or tubulin and thus useful for the treatment of cancer. Also disclosed are pharmaceutical formulations containing such compounds, as well as combinations of these compounds with at least one additional therapeutic agent.

  该应用涉及公式（I）的邻苯二氮杂环衍生物，它们是PARP1、PARP2和/或微管的抑制剂，因此对于癌症的治疗是有用的。还披露了含有这些化合物的药物配方，以及这些化合物与至少一种额外治疗剂的组合。
• Heterocyclic Compound
  申请人：TAKEDA PHARMACEUTICAL COMPANY LIMITED

  公开号：US20180155333A1

  公开（公告）日：2018-06-07

  The present invention provide a compound having an orexin receptor antagonistic activity, which is expected to be useful as medicaments such as agents for the prophylaxis or treatment of sleep disorder, depression, anxiety disorder, panic disorder, schizophrenia, drug dependence, Alzheimer's disease and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as defined in the specification, or a salt thereof.

  本发明提供了一种具有促醒素受体拮抗活性的化合物，预计可用作药物，如预防或治疗睡眠障碍、抑郁症、焦虑症、恐慌症、精神分裂症、药物依赖、阿尔茨海默病等的药剂。 本发明涉及由以下式（I）表示的化合物： 其中每个符号如规范中定义，或其盐。
• K2S2O8-promoted [2+2]-cycloaddition of benzyl-2-(3-hydroxypropynyl)-benzoates: A new route to polysubstituted cyclobutanes
  作者：Hai-Tao Zhu、Xiao-Juan Tong、Ni-Ni Zhou、De-Suo Yang、Ming-Jin Fan

  DOI：10.1016/j.tetlet.2016.10.098

  日期：2016.12

  An efficient and convenient metal-free [2+2]-cycloaddition of benzyl-2-(3-hydroxypropynyl)-benzoates via allene processes has been developed, which provides impressive access to fused cyclobutanes from easily accessed π-components. This transformation involved the cleavage of two C–O bonds, the formations of two C–O bonds and two C–C bonds and showed some advantages, including mild conditions and wide

  已经开发了通过异戊烯方法有效且方便的，无金属的苄基-2-（3-羟基丙炔基）-苯甲酸酯的[2 + 2]-环加成反应，该反应可从易于使用的π组分中轻松获得稠合的环丁烷。这种转变涉及两个C–O键的断裂，两个C–O键和两个C–C键的形成，并显示出一些优势，包括温和的条件和广泛的底物范围。