4-(叔丁基)-[1,1-联苯]-2-羧酸 | 84392-26-7

• 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-(叔丁基)-[1,1-联苯]-2-羧酸
• 英文名称: 4'-(tert-butyl)-[1,1'-biphenyl]-2-carboxylic acid
• 英文别名: 2-(4'-tert-butylphenyl)benzoic acid；2-(4-tert-butylphenyl)benzoic acid
• CAS: 84392-26-7
• 化学式: C₁₇H₁₈O₂
• mdl: MFCD06802636
• 分子量: 254.329
• InChiKey: WYIJUURMGVBXEM-UHFFFAOYSA-N

物化性质

• 沸点：
  371.4±11.0 °C(Predicted)
• 密度：
  1.087±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  4.6
• 重原子数：
  19
• 可旋转键数：
  3
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.235
• 拓扑面积：
  37.3
• 氢给体数：
  1
• 氢受体数：
  2

安全信息

• 海关编码：
  2916399090

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 2-(4-t-Butylphenyl)benzoic 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: 2-(4-t-Butylphenyl)benzoic acid
CAS number: 84392-26-7

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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.
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: C17H18O2
Molecular weight: 254.3

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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.

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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：

  4-(叔丁基)-[1,1-联苯]-2-羧酸 在 2,6-二甲基吡啶 、 fac-tris(2-phenylpyridinato-N,C2')iridium(III) 、 二甲基二碳酸盐 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 以85%的产率得到2-(tert-butyl)-9H-fluoren-9-one
  参考文献：
  名称：

  光氧化还原催化的联芳基羧酸的脱氧分子内酰化：获得芴酮。

  摘要：

  已经报道了通过光氧化还原催化通过使用各种联芳基羧酸来合成芴酮的有效的脱氧自由基环化反应。该方法的吸引人的特征包括酰基基团的产生，其迅速完成了分子内基团的环化。该方法标志着首次用于构建碳-碳键的光催化分子内酰基自由基偶联，该偶联进一步合成了温和的条件，良好的收率和良好的官能团相容性的有价值的芴酮产品。

  DOI：

  10.1021/acs.joc.7b02197
• 作为产物：
  描述：

  2-碘苯甲酸乙酯, 在 bis-triphenylphosphine-palladium(II) chloride 、 potassium carbonate 、 potassium hydroxide 作用下， 以 乙醇 、 水 、 N,N-二甲基甲酰胺 为溶剂， 反应 14.0h， 生成 4-(叔丁基)-[1,1-联苯]-2-羧酸
  参考文献：
  名称：

  Facile Preparation of 3,4-Benzocoumarins from 2-Arylbenzoic Acids with NCS and Nai

  摘要：

  Treatment of 2-arylbenzoic acids with N-chlorosuccinimide (NCS) and NaI at 70 degrees C under fluorescent lighting condition gave the corresponding 3,4-benzocoumarins in good yields under transition-metal-free condition. It was found that the reactivity of NCS with NaI for the formation of 3,4-benzocoumarins from 2-arylbenzoic acids was as high as that with NIS. Thus, the formation of carboxyl radicals and their cyclization onto an aromatic ring from 2-arylbenzoic acids with much less expensive NCS and NaI, than NIS could be successfully carried out to form 3,4-benzocoumarins.

  DOI：

  10.3987/com-20-14292

文献信息

• Visible-Light-Induced Arene C(sp2)–H Lactonization Promoted by DDQ and tert-Butyl Nitrite
  作者：Yiqing Wang、Shengpeng Wang、Bajin Chen、Meichao Li、Xinquan Hu、Baoxiang Hu、Liqun Jin、Nan Sun、Zhenlu Shen

  DOI：10.1055/s-0039-1691537

  日期：2020.2

  photocatalytic aerobic oxidative lactonization of arene C(sp2)–H bonds proceeds in the presence of 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) and tert-butyl nitrite (TBN). Under the optimized conditions, a range of 2-arylbenzoic acids is converted into the corresponding benzocoumarin derivatives in moderate to excellent yields. This method is characterized by its atom economy, mild reaction conditions, the

  在 2,3-二氯-5,6-二氰基-1,4-苯醌 (DDQ) 和亚硝酸叔丁酯 (TBN) 存在下，芳烃 C(sp2)-H 键的可见光光催化有氧氧化内酯化反应进行. 在优化的条件下，一系列 2-芳基苯甲酸以中等至极好的收率转化为相应的苯香豆素衍生物。该方法的特点是原子经济、反应条件温和、使用绿色氧化剂和无金属催化。
• 一种苯并香豆素类化合物的光催化氧化合成 方法
  申请人：浙江工业大学

  公开号：CN110862368B

  公开（公告）日：2021-06-15

  本发明公开了一种苯并香豆素类化合物的光催化氧化合成方法，以2‑芳基‑芳基甲酸类化合物为反应原料，以2,3‑二氯‑5,6‑二腈基‑1,4‑苯醌(DDQ)和亚硝酸叔丁酯(TBN)为催化剂，以氧气为氧化剂，反应底物在有机溶剂中，于常温常压并在蓝光照射条件下进行反应，反应结束后经分离处理得到所述的苯并香豆素类化合物。本发明所述的合成方法与传统的加热反应相比，光照反应可节约能源；使用氧气为终端氧化剂，降低了环境成本；不使用过渡金属催化剂，可克服产物中金属残留的问题。
• Cerium photocatalyzed dehydrogenative lactonization of 2-arylbenzoic acids
  作者：Ketan Wadekar、Suraj Aswale、Veera Reddy Yatham

  DOI：10.1039/c9ob02676b

  日期：——

  The first cerium photocatalyzed dehydrogenative lactonization of 2-arylbenzoic acids has been developed. This operationally simple protocol allows rapid access to synthetically useful coumarins on gram scale by employing CeCl3 as a photocatalyst and O2 as a terminal oxidant. Overall, this delivers an economical and environmentally amiable entry to diversely substituted coumarins, important structural

  已经开发出第一铈对2-芳基苯甲酸的光催化的脱氢内酯化。通过使用CeCl3作为光催化剂和O2作为末端氧化剂，这种操作简单的方案可以以克为单位快速获得合成有用的香豆素。总体而言，这为各种取代的香豆素提供了经济和环境友好的入口，香豆素是生物活性分子中的重要结构图案。
• Scalable Electrochemical Dehydrogenative Lactonization of C(sp²/sp³)–H Bonds
  作者：Sheng Zhang、Lijun Li、Huiqiao Wang、Qian Li、Wenmin Liu、Kun Xu、Chengchu Zeng

  DOI：10.1021/acs.orglett.7b03617

  日期：2018.1.5

  A practical, electrochemical method is developed for the direct dehydrogenative lactonization of C(sp2/sp3)–H bonds under external oxidant- and metal-free conditions, delivering diverse lactones, including coumarin derivatives with excellent regioselectivity. The scalable nature of this newly developed electrochemical process was demonstrated on a 40 g scale following an operationally simple protocol

  开发了一种实用的电化学方法，用于在无外部氧化剂和无金属的条件下对C（sp 2 / sp 3）–H键进行直接脱氢内酯化，从而提供多种内酯，包括具有优异区域选择性的香豆素衍生物。遵循操作简单的协议，以40 g规模展示了这种新开发的电化学过程的可扩展性。C（sp 3）-H键的远程内酯化将构成朝着电化学C-O键形成的重要合成进展。
• Vitamin Catalysis: Direct, Photocatalytic Synthesis of Benzocoumarins via (−)-Riboflavin-Mediated Electron Transfer
  作者：Tobias Morack、Jan B. Metternich、Ryan Gilmour

  DOI：10.1021/acs.orglett.8b00052

  日期：2018.3.2

  photoactivated (−)-riboflavin (vitamin B2) to generate the heterocyclic core via photoinduced single electron transfer. Collectively, the inexpensive nature of the catalyst, ease of execution, and absence of external metal additives are a convincing endorsement for the incorporation of simple vitamins in contemporary catalysis.

  公开了一种操作简单的方案，以促进直接从联芳基羧酸进入苯并-3,4-香豆素，而无需底物预官能化。作为经典内酯化策略的补充，这种分离依赖于光活化的（-）-核黄素（维生素B 2）的氧化能力，可通过光诱导的单电子转移生成杂环核。总的来说，催化剂的廉价性质，易于实施以及不存在外部金属添加剂，都令人信服地赞同将简单的维生素掺入现代催化剂中。