4-甲氧基-2,5-二甲基苯基硼酸 | 246023-54-1

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯酚醚
• 中文名称: 4-甲氧基-2,5-二甲基苯基硼酸
• 中文别名: 2,5-二甲基-4-甲氧基苯硼酸
• 英文名称: (4-methoxy-2,5-dimethylphenyl)boronic acid
• 英文别名: 4-methoxy-2,5-dimethylphenylboronic acid；2,5-Dimethyl-4-methoxyphenylboronic acid
• CAS: 246023-54-1
• 化学式: C₉H₁₃BO₃
• mdl: MFCD06801676
• 分子量: 180.011
• InChiKey: IUUWNGBWUJVQCF-UHFFFAOYSA-N

物化性质

• 沸点：
  340.0±52.0 °C(Predicted)
• 密度：
  1.11±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.32
• 重原子数：
  13
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.333
• 拓扑面积：
  49.7
• 氢给体数：
  2
• 氢受体数：
  3

安全信息

• 危险等级：
  IRRITANT
• 危险品标志：
  Xi
• 海关编码：
  2931900090
• 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
Product Name: 4-Methoxy-2,5-dimethylphenylboronic 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-Methoxy-2,5-dimethylphenylboronic acid
CAS number: 246023-54-1

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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: C9H13BO3
Molecular weight: 180.0

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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：

  2-氯嘧啶 、 4-甲氧基-2,5-二甲基苯基硼酸 在 bis-triphenylphosphine-palladium(II) chloride 、 sodium carbonate 作用下， 以 1,4-二氧六环 为溶剂， 以96%的产率得到2-(4-methoxy-2,5-dimethylphenyl)pyrimidine
  参考文献：
  名称：

  钯催化的芳基嘧啶的区域选择性 CH 键邻乙酰氧基化

  摘要：

  通过使用三氟乙酸铜作为助催化剂，开发了一种有效且具有区域选择性的钯催化的邻 CH 乙酰氧基化反应，以良好至极好的产率提供邻位单乙酰氧基化芳基嘧啶。制备了多种具有高区域选择性和官能团耐受性的氧化芳基嘧啶。

  DOI：

  10.1002/ejoc.201000631
• 作为产物：
  描述：

  1-溴-4-甲氧基-2,5-二甲苯 、 正丁基锂 、 硼酸三异丙酯 在 氮气 、 氯化铵 、 tetrahydro-furan ethyl acetate 、 水 、 氯化钠 、 magnesium sulfate 、 正庚烷 作用下， 以 四氢呋喃 、 正己烷 为溶剂， 反应 19.0h， 以The crude product (6, 116.7 g, 144.0 g theoretical, 81%) was obtained as a white powder的产率得到4-甲氧基-2,5-二甲基苯基硼酸
  参考文献：
  名称：

  Convergent synthesis of &agr;-aryl-&bgr;-ketonitriles

  摘要：

  本发明涉及用于生产α-芳基-β-酮腈的过程，这些化合物是一系列生物学重要分子（如促肾上腺皮质激素释放因子（CRF）受体拮抗剂）的合成中间体。

  公开号：

  US06727360B2

文献信息

• Palladium-Catalyzed Monoselective Halogenation of CH Bonds: Efficient Access to Halogenated Arylpyrimidines using Calcium Halides
  作者：Bingrui Song、Xiaojian Zheng、Jun Mo、Bin Xu

  DOI：10.1002/adsc.200900778

  日期：2010.2.15

  A wide variety of ortho-halogenated arylpyrimidines were prepared with high monoselectivity and functional-group tolerance by using calcium halides as crucial halogenating agents and cupric trifluoroacetate as oxidant in the presence of air.

  通过在空气中使用卤化钙作为关键的卤化剂和三氟乙酸铜作为氧化剂，制备了具有高单选择性和官能团耐受性的多种邻卤代芳基嘧啶。
• Stereospecific Nucleophilic Substitution with Arylboronic Acids as Nucleophiles in the Presence of a CONH Group
  作者：Duanshuai Tian、Chengxi Li、Guoxian Gu、Henian Peng、Xumu Zhang、Wenjun Tang

  DOI：10.1002/anie.201712829

  日期：2018.6.11

  first time with arylboronic acids as nucleophiles. This transition‐metal‐free coupling between chiral α‐aryl‐α‐mesylated acetamides and arylboronic acids provided access to a series of chiral α,α‐diaryl acetamides with excellent enantioselectivity and moderate to good yields. The CONH functionality proved to be crucial for bridging the reactants and promoting the reaction. Efficient syntheses of a cannabinoid

  用芳基硼酸作为亲核试剂首次实现了立体特异性亲核取代。手性α-芳基-α-甲基化乙酰胺和芳基硼酸之间的这种无过渡金属偶联使人们能够获得一系列具有出色对映选择性和中等至良好收率的手性α，α-二芳基乙酰胺。事实证明，CONH功能对于桥接反应物和促进反应至关重要。使用此方法成功完成了大麻素CB 1受体配体，抗抑郁药（S）-双氯芬素和抑制剂implitapide的关键手性构建体的高效合成。
• [EN] PYRIDINO AND PYRIMIDINO PYRAZINONES FOR TREATMENT OF ANXIETY AND DEPRESSION<br/>[FR] PYRAZINONES PYRIDINO ET PYRIMIDINO DESTINEES AU TRAITEMENT DE L'ANXIETE ET DE LA DEPRESSION
  申请人：BRISTOL MYERS SQUIBB PHARMA CO

  公开号：WO2004031189A1

  公开（公告）日：2004-04-15

  The present invention provides compounds of Formula (I): wherein the variables A, B, Ar, R1, R2, and R3 are as defined herein. The compounds of Formula (I) can function as corticotropin releasing factor (CRF) receptor antagonists and can be useful, for example, in the treatment of disorders characterized by abnormal levels of CRF such as anxiety and depression.

  本发明提供了化合物的结构式（I）：其中变量A、B、Ar、R1、R2和R3的定义如本文所述。结构式（I）的化合物可以作为促肾上腺皮质激素释放因子（CRF）受体拮抗剂发挥作用，并且可以用于治疗由CRF异常水平引起的疾病，如焦虑和抑郁症。
• Mn(<scp>ii</scp>)/O₂-promoted oxidative annulation of vinyl isocyanides with boronic acids: synthesis of multi-substituted isoquinolines
  作者：Hao Wang、Yang Yu、Xiaohu Hong、Bin Xu

  DOI：10.1039/c4cc06427e

  日期：——

  An efficient manganese(II)/O2-promoted oxidative radical cascade reaction was developed for the modular synthesis of multi-substituted isoquinolines from easily accessible vinyl isocyanides and boronic acids.

  开发了一种有效的锰（II）/ O2促进的氧化自由基级联反应，用于从易于获得的乙烯基异氰酸酯和硼酸进行模块化合成多取代的异喹啉。
• Synthesis and structure–activity relationships of pyrido[3,2-b]pyrazin-3(4H)-ones and pteridin-7(8H)-ones as corticotropin-releasing factor-1 receptor antagonists
  作者：Carolyn D. Dzierba、Thais M. Sielecki、Argyrios G. Arvanitis、Amy Galka、Tricia L. Johnson、Amy G. Takvorian、Maria Rafalski、Padmaja Kasireddy-Polam、Shikha Vig、Bireshwar Dasgupta、Ge Zhang、Thaddeus F. Molski、Harvey Wong、Robert C. Zaczek、Nicholas J. Lodge、Andrew P. Combs、Paul J. Gilligan、George L. Trainor、Joanne J. Bronson、John E. Macor

  DOI：10.1016/j.bmcl.2012.06.034

  日期：2012.8

  Pyrido[3,2-b]pyrazin-3(4H)-ones and pteridin-7(8H)-ones were evaluated as corticotropin-releasing factor-1 receptor antagonists. The synthesis, SAR studies and pharmacokinetic evaluation of these analogs are described herein.

  Pyrido [3,2 - b ] pyrazin-3（4 H）-one和pteridin-7（8 H）-one被评估为促肾上腺皮质激素释放因子1受体拮抗剂。这些类似物的合成，SAR研究和药代动力学评估在本文中描述。