1-(4-氯苯基)乙烯基硼酸频哪醇酯 | 850567-54-3

• 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: 1-(4-氯苯基)乙烯基硼酸频哪醇酯
• 中文别名: 1-(4-氯苯基)乙烯基硼酸频哪酯
• 英文名称: 2-(1-(4-chlorophenyl)vinyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
• 英文别名: 1-(4-chlorophenyl)vinyl boronic acid pinacol ester；2-[1-(4-chlorophenyl)ethenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
• CAS: 850567-54-3
• 化学式: C₁₄H₁₈BClO₂
• 分子量: 264.56
• InChiKey: JGSGBFKOANEXOW-UHFFFAOYSA-N

物化性质

• 熔点：
  53-56

计算性质

• 辛醇/水分配系数(LogP)：
  3.98
• 重原子数：
  18
• 可旋转键数：
  2
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.43
• 拓扑面积：
  18.5
• 氢给体数：
  0
• 氢受体数：
  2

安全信息

• 海关编码：
  2934999090
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H315,H319,H335

SDS

Material Safety Data Sheet

---

Section 1. Identification of the substance
1-(4-Chlorophenyl)vinylboronic acid, pinacol ester
Product Name:
Synonyms:

---

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

---

Section 3. Composition/information on ingredients.
1-(4-Chlorophenyl)vinylboronic acid, pinacol ester
Ingredient name:
CAS number: 850567-54-3

---

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:

---

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.

---

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.

---

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, under −20◦C.
Storage:

---

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.

---

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: C14H18BClO2
Molecular weight: 264.6

---

Section 10. Stability and reactivity
Conditions to avoid: Heat, flames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide, hydrogen chloride.

---

Section 11. Toxicological information
No data.

---

Section 12. Ecological information
No data.

---

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.

---

Section 14. Transportation information
Non-harzardous for air and ground transportation.

---

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.

---

SECTION 16 - ADDITIONAL INFORMATION
N/A

反应信息

• 作为反应物：
  描述：

  1-(4-氯苯基)乙烯基硼酸频哪醇酯 在 manganese(IV) oxide 、 dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer 、 silver carbonate 作用下， 以 甲醇 、 1,2-二氯乙烷 为溶剂， 反应 25.0h， 生成
  参考文献：
  名称：

  CN115710212

  摘要：

  公开号：
• 作为产物：
  描述：

  4-氯苯乙炔 在 1,3-bis[(diphenylphosphino)propane]dichloronickel(II) 作用下， 以 四氢呋喃 为溶剂， 反应 26.08h， 生成 1-(4-氯苯基)乙烯基硼酸频哪醇酯
  参考文献：
  名称：

  通过 Pd(II)-催化的硫醚导向的烯基 C-H 烯化反应合成基于共轭二烯的轴向手性苯乙烯

  摘要：

  共轭二烯的有效立体选择性合成，尤其是具有轴向手性的那些，仍然是一个巨大的挑战。在此，我们报告了通过 Pd(II) 催化的硫醚导向的烯基 C-H 烯化策略，高阻转选择性合成轴向手性苯乙烯与共轭 1,3-二烯支架。该策略具有操作简单、反应条件温和、官能团耐受性高（69例）、完整的Z-选择性和出色的对映选择性（高达 99% ee）。值得注意的是，使用这种策略也实现了具有两个立体轴的阻转异构体的高度对映选择性合成（高达 99% ee 和 97:3 dr）。此外，该反应可以扩大规模，所得轴向手性苯乙烯可以很容易地氧化成具有高非对映选择性的手性亚砜衍生物，这作为一种新型的硫-烯烃配体显示出巨大的前景。

  DOI：

  10.1021/jacs.1c06236

文献信息

• Synthesis of Alkenylboronates from <i>N</i>-Tosylhydrazones through Palladium-Catalyzed Carbene Migratory Insertion
  作者：Yifan Ping、Rui Wang、Qianyue Wang、Taiwei Chang、Jingfeng Huo、Ming Lei、Jianbo Wang

  DOI：10.1021/jacs.1c02331

  日期：2021.7.7

  The palladium-catalyzed oxidative borylation reaction of N-tosylhydrazones has been developed. The reaction features mild conditions, broad substrate scope, and good functional group tolerance. It thus represents a highly efficient and practical method for the synthesis of di-, tri-, and tetrasubstituted alkenylboronates from readily available N-tosylhydrazones. One-pot Suzuki coupling and other transformations

  已经开发了钯催化的N-甲苯磺酰腙的氧化硼化反应。该反应具有条件温和、底物范围广、官能团耐受性好等特点。因此，它代表了一种从容易获得的N-甲苯磺酰腙合成二、三和四取代的烯基硼酸酯的高效和实用的方法。一锅 Suzuki 耦合和其他转换突出了该方法的综合效用。DFT 计算表明，钯-卡宾的形成和随后的硼基迁移插入是催化循环中的关键步骤。在三取代的链烯基硼酸酯形成过程中观察到的高立体选择性可以通过变形相互作用分析和 NBO 分析来解释。
• Fragment-based Scaffold Hopping: Identification of Potent, Selective, and Highly Soluble Bromo and Extra Terminal Domain (BET) Second Bromodomain (BD2) Inhibitors
  作者：Jonathan T. Seal、Stephen J. Atkinson、Paul Bamborough、Anna Bassil、Chun-wa Chung、James Foley、Laurie Gordon、Paola Grandi、James R. J. Gray、Lee A. Harrison、Ryan G. Kruger、Jeanne J. Matteo、Michael T. McCabe、Cassie Messenger、Darren Mitchell、Alex Phillipou、Alex Preston、Rab K. Prinjha、Francesco Rianjongdee、Inmaculada Rioja、Simon Taylor、Ian D. Wall、Robert J. Watson、James M. Woolven、Anastasia Wyce、Xi-Ping Zhang、Emmanuel H. Demont

  DOI：10.1021/acs.jmedchem.1c00365

  日期：2021.8.12

  inhibitors with an improved safety profile by selective targeting of a subset of the eight bromodomains of the BET family has triggered extensive medicinal chemistry efforts. In this article, we disclose the identification of potent and selective drug-like pan-BD2 inhibitors such as pyrazole 23 (GSK809) and furan 24 (GSK743) that were derived from the pyrrole fragment 6. We transpose the key learnings from

  pan-BET 抑制剂的深远功效已得到充分证明，但这些表观遗传药物在肿瘤临床试验中已显示出药理学驱动的毒性。通过选择性靶向 BET 家族的八个溴结构域的一个子集来识别具有改进安全性的抑制剂的机会引发了广泛的药物化学工作。在这篇文章中，我们公开了从吡咯片段6衍生的有效和选择性药物样泛 BD2 抑制剂的鉴定，例如吡唑23 (GSK809) 和呋喃24 (GSK743) 。我们将先前吡啶酮系列 (GSK620 2 作为一个代表性的例子）到这类新型抑制剂，其特点是相对于我们之前的研究显着提高了溶解度。
• Reaction Pathways and Redox States in α‐Selective Cobalt‐Catalyzed Hydroborations of Alkynes
  作者：Clemens K. Blasius、Vladislav Vasilenko、Regina Matveeva、Hubert Wadepohl、Lutz H. Gade

  DOI：10.1002/anie.202009625

  日期：2020.12.14

  Cobalt(II) alkyl complexes supported by a monoanionic NNN pincer ligand are pre‐catalysts for the regioselective hydroboration of terminal alkynes, yielding the Markovnikov products with α:β‐(E) ratios of up to 97:3. A cobalt(II) hydride and a cobalt(II) vinyl complex appear to determine the main reaction pathway. In a background reaction the highly reactive hydrido species specifically converts to

  由单阴离子NNN钳形配体支撑的钴（II）烷基络合物是末端炔烃区域选择性氢硼化的预催化剂，产生的马尔可夫尼科夫产物的α：β-（E）比率高达97：3。氢化钴（II）和乙烯基钴（II）配合物似乎决定了主要的反应途径。在背景反应中，高反应性氢化物特异性地转化为配位不饱和钴（I）配合物，该配合物重新进入主催化循环。
• Copper-catalyzed regioselective hydroboration of terminal alkynes in aqueous medium
  作者：Zi-Jian Yao、Shibin Hong、Wei Zhang、Mengyan Liu、Wei Deng

  DOI：10.1016/j.tetlet.2016.01.049

  日期：2016.2

  A mild and environment-friendly copper-catalyzed hydroboration of terminal alkynes in aqueous medium was reported. Regioselectivity control was achieved in the presence of cyclodextrin–bispyridine ligand (CD-1). This protocol was successfully applied to inactivated terminal alkynes. Moreover, the ligand was recovered and reused without any loss of activity over five cycles.

  据报道，在水性介质中温和且环保的末端炔烃铜催化的硼氢化反应。在存在环糊精-双吡啶配体（CD - 1）的情况下实现了区域选择性控制。该协议已成功应用于灭活的末端炔烃。此外，在五个循环中，该配体被回收并重新使用而没有任何活性损失。
• Vinylidene Homologation of Boronic Esters and its Application to the Synthesis of the Proposed Structure of Machillene
  作者：James M. Fordham、Matthew N. Grayson、Varinder K. Aggarwal

  DOI：10.1002/anie.201907617

  日期：2019.10.21

  Herein, we report that these valuable products can be accessed by the homologation of boronic esters with lithiated epoxysilanes. Aliphatic and electron-rich aromatic boronic esters provided vinylidene boronic esters in moderate to high yields, while electron-deficient aromatic and vinyl boronic esters were found to give the corresponding vinyl silane products. Through DFT calculations, this divergence

  烯基硼酸酯是有机合成中的重要试剂。在此，我们报告可以通过硼酸酯与锂化环氧硅烷的同系物获得这些有价值的产品。脂肪族和富含电子的芳族硼酸酯以中等至高收率提供了亚乙烯基硼酸酯，而发现缺乏电子的芳族和乙烯基硼酸酯可提供相应的乙烯基硅烷产物。通过DFT计算，通过考虑C-Si和CB键断裂过渡态中负电荷的稳定化，可以合理化这种机理途径上的分歧。该亚乙烯基同系物用于所建议的马来烯结构的短六步立体选择性合成中，但是，发现合成和报道的数据不一致。