3-甲基-5-(4,4,5,5-四甲基-1,3,2-二噁硼烷-2-基)苯甲酸甲酯 | 929626-17-5

• 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: 3-甲基-5-(4,4,5,5-四甲基-1,3,2-二噁硼烷-2-基)苯甲酸甲酯
• 中文别名: 3-甲基-5-甲氧基羰基苯基硼酸，频哪醇酯
• 英文名称: methyl 3-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate
• CAS: 929626-17-5
• 化学式: C₁₅H₂₁BO₄
• 分子量: 276.14
• InChiKey: PQEGFCISHQGIJO-UHFFFAOYSA-N

物化性质

• 沸点：
  389.4±35.0 °C(Predicted)
• 密度：
  1.07±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.08
• 重原子数：
  20
• 可旋转键数：
  3
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.53
• 拓扑面积：
  44.8
• 氢给体数：
  0
• 氢受体数：
  4

安全信息

• 危险性防范说明：
  P261,P264,P270,P271,P280,P301+P312,P302+P352,P304+P340,P330,P363,P501
• 危险性描述：
  H302,H312,H332
• 储存条件：
  2-8°C，干燥保存

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 3-Methyl-5-methoxycarbonylphenylboronic acid, pinacol ester
Synonyms: Methyl 3-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate

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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: 3-Methyl-5-methoxycarbonylphenylboronic acid, pinacol ester
CAS number: 929626-17-5

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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: C15H21BO4
Molecular weight: 276.1

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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：

  3-甲基-5-(4,4,5,5-四甲基-1,3,2-二噁硼烷-2-基)苯甲酸甲酯 在 1-fluoro-2,4,6-trimethylpyridinium hexafluorophosphate 、 (tBuCN)2Cu*OTf 、 silver fluoride 作用下， 以 四氢呋喃 为溶剂， 反应 18.0h， 生成 3-氟-5-甲基苯甲酸甲酯
  参考文献：
  名称：

  Copper-Mediated Fluorination of Arylboronate Esters. Identification of a Copper(III) Fluoride Complex

  摘要：

  A method for the direct conversion of arylboronate esters to aryl fluorides under mild conditions with readily available reagents is reported. Tandem reactions have also been developed for the fluorination of arenes and aryl bromides through arylboronate ester intermediates. Mechanistic studies suggest that this fluorination reaction occurs through facile oxidation of Cu(I) to Cu(III), followed by rate-limiting transmetalation of a bound arylboronate to Cu(III). Fast C-F reductive elimination is proposed to occur from an aryl- copper(III)-fluoride complex. Cu(III) intermediates have been generated independently and identified by NMR spectroscopy and ESI-MS.

  DOI：

  10.1021/ja310909q
• 作为产物：
  描述：

  3-甲基苯甲酸甲酯 、 联硼酸频那醇酯 在 (1,5-cyclooctadiene)(methoxy)iridium(I) dimer 作用下， 以 四氢呋喃 为溶剂， 反应 16.0h， 生成 3-甲基-5-(4,4,5,5-四甲基-1,3,2-二噁硼烷-2-基)苯甲酸甲酯
  参考文献：
  名称：

  用四氟硼酸亚硝基硝化芳基和杂芳基三氟硼酸盐

  摘要：

  有机三氟硼酸盐已成为用于合成官能化芳基和杂芳基化合物的有毒和空气和水分敏感有机金属物种的替代品。已经表明，三氟硼酸盐部分可以很容易地在合成后期转化为各种不同的取代基。在本文中，我们公开了一种温和的，选择性的和方便的方法为本位使用亚硝鎓四氟硼酸盐（NOBF organotrifluoroborates的-nitrosation 4）。芳基和杂芳基三氟硼酸盐以良好到极好的收率转化为相应的亚硝基产物。这种方法被证明可以容忍广泛的官能团。

  DOI：

  10.1021/jo300551m

文献信息

• Highly Selective and Divergent Acyl and Aryl Cross-Couplings of Amides via Ir-Catalyzed C–H Borylation/N–C(O) Activation
  作者：Pengcheng Gao、Michal Szostak

  DOI：10.1021/acs.orglett.0c02105

  日期：2020.8.7

  Herein, we demonstrate that amides can be readily coupled with nonactivated arenes via sequential Ir-catalyzed C–H borylation/N–C(O) activation. This methodology provides facile access to biaryl ketones and biaryls by the sterically controlled Ir-catalyzed C–H borylation and divergent acyl and decarbonylative amide N–C(O) and C–C activation. The methodology diverts the traditional acylation and arylation

  在这里，我们证明酰胺可以通过连续的Ir催化的C–H硼酸酯化/ N–C（O）活化而容易地与未活化的芳烃偶联。这种方法可通过空间控制的Ir催化的C–H硼化以及不同的酰基和脱羰基酰胺N–C（O）和C–C活化来轻松获得联芳基酮和联芳基。该方法转移了传统的酰化和芳基化区域选择性，使我们能够直接利用容易获得的芳烃和酰胺来产生有价值的酮和联芳基。
• Meta Halogenation of 1,3-Disubstituted Arenes via Iridium-Catalyzed Arene Borylation
  作者：Jaclyn M. Murphy、Xuebin Liao、John F. Hartwig

  DOI：10.1021/ja076498n

  日期：2007.12.1

  copper(II) bromide or chloride converts arylboronic esters to the corresponding aryl halides. A variety of arenes containing alkoxy, alkyl, halogen, nitrile, ester, amide, and pivaloyl and TIPS-protected alcohols were converted to the corresponding 3,5-disubstituted aryl bromides and chlorides in yields ranging from 46% to 85%. In addition, 2,6-disubstituted and 3-substituted pyridines were converted

  我们报告了 1,3-二取代芳烃的间位卤化，通过使用铱催化的芳烃硼化化学形成 3,5-二取代芳基溴化物和氯化物。铱催化的芳烃与 B2pin2 发生硼化反应，然后硼酸酯与溴化铜或氯化铜 (II) 反应，将芳基硼酸酯转化为相应的芳基卤化物。各种含有烷氧基、烷基、卤素、腈、酯、酰胺和新戊酰基的芳烃和 TIPS 保护的醇以 46% 到 85% 的产率转化为相应的 3,5-二取代芳基溴化物和氯化物。此外，2,6-二取代和3-取代吡啶分别转化为4-卤代和5-卤代吡啶。
• Cyanation of Arenes via Iridium-Catalyzed Borylation
  作者：Carl W. Liskey、Xuebin Liao、John F. Hartwig

  DOI：10.1021/ja104442v

  日期：2010.8.25

  We report a method to conduct one-pot meta cyanation of arenes by iridium-catalyzed C-H borylation and copper-mediated cyanation of the resulting arylboronate esters. This process relies on a method to conduct the cyanation of arylboronic esters, and conditions for this new transformation are reported. Conditions for the copper-mediated cyanation of arylboronic acids are also reported. By the resulting

  我们报告了一种通过铱催化的 CH 硼酸化和铜介导的芳基硼酸酯氰化对芳烃进行单锅异氰化的方法。该过程依赖于进行芳基硼酸酯氰化的方法，并报道了这种新转化的条件。还报道了铜介导的芳基硼酸氰化的条件。通过硼酸化和氰化的结果序列，1,3-二取代和1,2,3-三取代芳烃和含有卤化物、酮、酯、酰胺和受保护醇官能团的杂芳烃转化为相应的间位取代芳基腈。通过将受保护的 2,6-二取代苯酚转化为 4-氰基-2,6-二甲基苯酚，证明了该方法的实用性，它是合成药物依曲韦林的中间体。通过将通过一锅 CH 硼化和氰化序列生产的 3-氯-5-甲基苄腈转化为相应的 3,5-二取代醛、酮、酰胺、羧酸、四唑，进一步证明了该方法的实用性, 和苄胺。
• Sterically Controlled Iodination of Arenes via Iridium-Catalyzed C–H Borylation
  作者：Benjamin M. Partridge、John F. Hartwig

  DOI：10.1021/ol303164h

  日期：2013.1.4

  to prepare aryl and heteroaryl iodides by sequential C–H borylation and iodination is reported. The regioselectivity of this process is controlled by steric effects on the C–H borylation step and is complementary to existing methods to form aryl iodides. The iodination of boronic esters has potential for the synthesis of radiolabeled aryl iodides, as demonstrated by the concise synthesis of a potential

  报道了一种通过连续的C–H硼化和碘化制备芳基和杂芳基碘化物的温和方法。该过程的区域选择性由C–H硼化步骤中的空间效应控制，是对现有形成芳基碘化物的方法的补充。硼酸酯的碘化具有放射性标记的芳基碘化物的合成潜力，正如SPECT成像的潜在示踪剂的简明合成所证明的那样。
• Sterically Controlled Alkylation of Arenes through Iridium-Catalyzed CH Borylation
  作者：Daniel W. Robbins、John F. Hartwig

  DOI：10.1002/anie.201208203

  日期：2013.1.14

  one‐pot method for the site‐selective alkylation of arenes controlled by steric effects is reported. The process occurs through Ir‐catalyzed CH borylation, followed by Pd‐ or Ni‐catalyzed coupling with alkyl electrophiles. This selectivity complements that of the typical Friedel–Crafts alkylation; meta‐selective alkylation of a broad range of arenes with various electronic properties and functional

  互补化学：报道了一种通过空间效应控制芳烃的位点选择性烷基化的单锅法。发生的过程通过铱催化的Ç  ħ硼基化，随后Pd或Ni基催化的亲电子烷基偶联。这种选择性补充了典型的Friedel-Crafts烷基化反应的选择性。元的宽范围的各种电子性质和官能团的芳烃-选择性的烷基化发生在良好的产率与部位选择性高。