2-溴-5-甲苯甲醛 | 90221-55-9

• 物质功能分类: 有机原料 - 醛类化合物
• 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: 2-溴-5-甲苯甲醛
• 中文别名: 2-溴-5-甲基苯甲醛
• 英文名称: 2-bromo-5-methylbenzaldehyde
• 英文别名: 2-Brom-5-methyl-benzaldehyd
• CAS: 90221-55-9
• 化学式: C₈H₇BrO
• 分子量: 199.047
• InChiKey: UWGFRLQHWDMILE-UHFFFAOYSA-N

物化性质

• 熔点：
  43 °C
• 沸点：
  253.2±20.0℃ (760 Torr)
• 密度：
  1.490±0.06 g/cm3 (20 ºC 760 Torr)
• 闪点：
  89.5±9.1℃
• 溶解度：
  溶于甲醇

计算性质

• 辛醇/水分配系数(LogP)：
  2.4
• 重原子数：
  10
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.12
• 拓扑面积：
  17.1
• 氢给体数：
  0
• 氢受体数：
  1

安全信息

• 海关编码：
  2913000090
• 危险性防范说明：
  P261,P280,P305+P351+P338
• 危险性描述：
  H302,H315,H319,H332,H335
• 储存条件：
  储存温度应在2-8℃之间，并应置于惰性气体环境中。

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 2-Bromo-5-methylbenzaldehyde
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-Bromo-5-methylbenzaldehyde
CAS number: 90221-55-9

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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: C8H7BrO
Molecular weight: 199.0

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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, hydrogen bromide.

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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-溴-5-甲苯甲醛 在 四(三苯基膦)钯 、 potassium carbonate 、 联硼酸频那醇酯 作用下， 以 1,4-二氧六环 为溶剂， 反应 24.0h， 生成 4,4'-dimethyl-biphenyl-2,2'-dicarbaldehyde
  参考文献：
  名称：

  胺Umpolung环化合成手性环外邻二胺

  摘要：

  手性胞外邻二胺是生物学和化学上重要的化合物，但它们并不容易制造。在本文中，开发了一种有趣的Umpolung环化过程。带有亲电子手性亚氨基亚胺基团的芳香醛6经过2,2-二苯基甘氨酸（2）的亚胺形成，脱羧和随后的Umpolung环化反应，以84-96％的收率生产各种反式二胺10，具有高反式/顺式在非常温和的条件下的比率。这项工作不仅为一步合成手性环外邻二胺提供了一种高效，清洁，温和的方法，而且代表了胺化Umpolung策略在分子内反应中的新应用。

  DOI：

  10.1039/c8ob02000k
• 作为产物：
  描述：

  间甲基苯腈 在 N-溴代丁二酰亚胺(NBS) 、 palladium diacetate 、 二异丁基氢化铝 、 对甲苯磺酸 作用下， 以 1,2-二氯乙烷 、 甲苯 为溶剂， 反应 24.0h， 生成 2-溴-5-甲苯甲醛
  参考文献：
  名称：

  分子内氨基钯催化引发的钯与烯烃催化的钯催化成环氨基烯化反应

  摘要：

  描述了钯催化的氨基钯反应，然后与醛类进行亲核加成反应并脱水。这种直接且操作简单的方法为广泛的官能化四氢异喹啉具有高选择性提供了一种快速可靠的方法。机理研究表明，通过高度有序的过渡态进行的亲核加成是营业额限制步骤，其中关键Csp 3 -Pd物种固有的β-氢化物消除是受约束构象和亲核性控制的。氮原子的强供电子作用增强了Csp 3 -Pd键。

  DOI：

  10.1002/anie.201611853

文献信息

• Synthesis of phthalan derivatives via a formal intramolecular 1,3-insertion of rhodium(II) azavinyl carbenes into O Si bond
  作者：Shengguo Duan、Qiaoyi Xiang、Changchang Deng、Yuchen Jie、Huan Luo、Ze-Feng Xu

  DOI：10.1016/j.tetlet.2021.153329

  日期：2021.9

  The first formal intramolecular 1,3-insertion into OSi bond of rhodium(II) azavinyl carbene have been developed, and valuable phthalan derivatives could be synthesized efficiently. In addition, various functional groups could be introduced to the product conveniently in the assistant of TBAF.

  已经开发了第一个正式的分子内 1,3-插入到铑 (II) 氮杂乙烯基卡宾的O Si 键中，并且可以有效地合成有价值的酞烷衍生物。此外，在TBAF的辅助下，可以方便地将各种官能团引入到产品中。
• Facile preparation of 3-aryl-4-iodoisoquinolines from N-(o-Arylethynyl)benzyl p-toluenesulfonamides with iodine and base
  作者：Hiroki Naruto、Hideo Togo

  DOI：10.1016/j.tet.2021.131993

  日期：2021.3

  which is one of the obtained 3-aryl-4-iodoisoquinolines, was further transformed into isoquinoline derivatives smoothly. The present approach is a novel one-pot method for the preparation of 3-aryl-4-iodoisoquinolines from N-(o-arylethynyl)benzyl p-toluenesulfonamides under transition-metal-free conditions. © 2021 Elsevier Science. All rights reserved.

  在60℃下在NaHCO 3存在下用分子碘处理N-（邻-芳基乙炔基）苄基对甲苯磺酰胺，然后在室温下与t BuOK反应，以良好的收率得到3-芳基-4-碘异喹啉。将得到的3-芳基-4-碘异喹啉之一的4-碘-3-苯基异喹啉进一步平滑地转化为异喹啉衍生物。本方法是在无过渡金属的条件下由N-（邻-芳基乙炔基）苄基对甲苯磺酰胺制备3-芳基-4-碘异喹啉的一锅法。©2021爱思唯尔科学。版权所有。
• [EN] CARBAMATE COMPOUNDS AND OF MAKING AND USING SAME<br/>[FR] COMPOSÉS CARBAMATES ET LEUR PROCÉDÉ DE FABRICATION ET D'UTILISATION
  申请人：ABIDE THERAPEUTICS

  公开号：WO2013142307A1

  公开（公告）日：2013-09-26

  Provided herein are carbamate compounds which may be useful in the treatment of, for example, pain, solid tumors and/or obesity.

  本文提供的是可能在治疗疼痛、实体肿瘤和/或肥胖等方面有用的氨基甲酸酯化合物。
• [EN] NRF2 REGULATORS<br/>[FR] RÉGULATEURS DE NRF2
  申请人：GLAXOSMITHKLINE IP DEV LTD

  公开号：WO2016203401A1

  公开（公告）日：2016-12-22

  The present invention relates to aryl analogs, pharmaceutical compositions containing them and their use as Nrf2 regulators.

  本发明涉及芳基类似物，含有它们的药物组合物以及它们作为Nrf2调节剂的用途。
• [EN] 3-(2,3-DIHYDRO-1H-INDEN-5-YL)PROPANOIC ACID DERIVATIVES AND THEIR USE AS NRF2 REGULATORS<br/>[FR] DÉRIVÉS D'ACIDE PROPANOÏQUE 3-(2,3-DIHYDRO-1H-INDEN-5-YL) ET LEUR UTILISATION EN TANT QUE RÉGULATEURS DE NRF2
  申请人：GLAXOSMITHKLINE IP DEV LTD

  公开号：WO2018104766A1

  公开（公告）日：2018-06-14

  The present invention relates to compounds of Formula (I), and Formula (II), wherein B is benzotriazolyl, phenyl, triazolopyridinyl, or -(CH2)2-triazolyl each of which may be unsubstituted or substituted by 1, 2, or 3 substituents independently chosen from -C1-3 alkyl, -O-C1-3 alkyl, CN, - (CH2)2-O-(CH2)2-OR4 and halo; and D is -C(O)OH, -C(O)NHSO2CH3, -SO2NHC(O)CH3, 5-(trifluoromethyl)-4H-1,2,4-triazol-2-yl, or tetrazolyl; and their use as NRF2 regulators.

  本发明涉及式(I)和式(II)的化合物，其中B为苯并三唑基、苯基、三唑吡啶基或-(CH2)2-三唑基，每种基团可以是未取代的或被1、2或3个取代基取代，所述取代基独立地选自-C1-3烷基、-O-C1-3烷基、CN、-(CH2)2-O-(CH2)2-OR4和卤素；D为-C(O)OH、-C(O)NHSO2CH3、-SO2NHC(O)CH3、5-(三氟甲基)-4H-1,2,4-三唑-2-基或四唑基；以及它们作为NRF2调节剂的用途。