3-溴甲基噻吩 | 34846-44-1

• 物质功能分类: 医药中间体 - 噻吩类化合物
• 分子结构分类: 有机化合物 - 有机杂环化合物 - 杂芳族化合物
• 中文名称: 3-溴甲基噻吩
• 中文别名: 3-甲基溴噻吩；3-(溴甲基)噻吩
• 英文名称: 3-Bromomethylthiophene
• 英文别名: 3-(Bromomethyl)thiophene
• CAS: 34846-44-1
• 化学式: C₅H₅BrS
• 分子量: 177.065
• InChiKey: KBWHYRUAHXHHFO-UHFFFAOYSA-N

物化性质

• 熔点：
  -9 °C
• 沸点：
  85-88℃/6Torr
• 密度：
  1.616

计算性质

• 辛醇/水分配系数(LogP)：
  2.2
• 重原子数：
  7
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.2
• 拓扑面积：
  28.2
• 氢给体数：
  0
• 氢受体数：
  1

安全信息

• 安全说明：
  S24/25,S36/37/39
• 危险类别码：
  R20/21/22,R36/37/38
• 海关编码：
  2934999090
• 危险品标志：
  Xi
• 储存条件：
  | 室温 |

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
3-Bromomethylthiophene
Product Name:
Synonyms:

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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

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Section 3. Composition/information on ingredients.
3-Bromomethylthiophene
Ingredient name:
CAS number: 34846-44-1

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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:

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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, under −20◦C.
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
Not specified
Appearance:
Boiling point: No data
Melting point: No data
Flash point: No data
Density: No data
Molecular formula: C5H5BrS
Molecular weight: 177.1

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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, hydrogen bromide, sulfur oxides.

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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

制备方法与用途

制备方法： 在搪玻璃溴化釜内投入苯、3-甲基噻吩和一半的过氧化苯甲酰，开启搅拌及蒸汽加热系统，慢慢升温至回流，然后分批加入N-溴代丁二酰亚胺和另一半的过氧化苯甲酰，约加45~60分钟。加毕，继续回流直到反应达终点（混合物发泡减慢）。反应结束后，冷却使副产物丁二酰亚胺从苯中析出，并过滤以回收丁二酰亚胺。滤液转移至蒸馏釜，先减压回收苯，再在高真空下蒸馏产品，接收0.133kPa下75~78℃的馏分即得该产品。收率大于75%。

合成制备方法： 在搪玻璃溴化釜内投入苯、3-甲基噻吩和一半的过氧化苯甲酰，开启搅拌及蒸汽加热系统，慢慢升温至回流，然后分批加入N-溴代丁二酰亚胺和另一半的过氧化苯甲酰，约加45~60分钟。加毕，继续回流直到反应达终点（混合物发泡减慢）。反应结束后，冷却使副产物丁二酰亚胺从苯中析出，并过滤以回收丁二酰亚胺。滤液转移至蒸馏釜，先减压回收苯，再在高真空下蒸馏产品，接收0.133kPa下75~78℃的馏分即得该产品。收率大于75%。

反应信息

• 作为反应物：
  描述：

  3-溴甲基噻吩 在 氢氧化钾 作用下， 以 乙醇 为溶剂， 反应 2.0h， 生成 3-噻吩甲醇
  参考文献：
  名称：

  Babu, Suresh D.; Hrytsak, Michael D.; Durst, Tony, Canadian Journal of Chemistry, 1989, vol. 67, p. 1071 - 1076

  摘要：

  DOI：
• 作为产物：
  描述：

  3-甲基噻吩 在 N-溴代丁二酰亚胺(NBS) 作用下， 以 四氯化碳 为溶剂， 反应 0.67h， 以78%的产率得到3-溴甲基噻吩
  参考文献：
  名称：

  Synthesis of 4-[ω-(3-Thienyl)alkyl]pyridines and 4-[ω-(3-Thienyl)alkyl]-2,2'-bipyridines

  摘要：

  报告了 4-[ω-(3-噻吩基)烷基]吡啶 (2)、4-[ω-(3-噻吩基)烷基]-2,2′-联吡啶 (3) 和 4-甲基-4'-[ω-(3-噻吩基)烷基]-2,2′-联吡啶 (4) 的合成，其中烷基链的长度是变化的（n = 2、5、7、9、11）。合成方法是将 3-(ω-溴烷基)噻吩与来自 4-甲基吡啶、4-甲基-2,2′-联吡啶或 4,4′-二甲基-2,2′-联吡啶的阴离子通过石化作用进行反应。讨论了这些化合物的 n.m.r.（1H 和 13C）和电子光谱特性。

  DOI：

  10.1071/ch9951425

文献信息

• Conjugated Thiophene-Fused Isatin Dyes through Intramolecular Direct Arylation
  作者：Andrea Nitti、Marco Signorile、Massimo Boiocchi、Gabriele Bianchi、Riccardo Po、Dario Pasini

  DOI：10.1021/acs.joc.6b01922

  日期：2016.11.18

  design, synthesis, and properties of innovative, planar, π-conjugated compounds in which a thiophene ring is fused with the skeleton of the naturally occurring dye isatin. The synthesis is achieved in high yields making use of an intramolecular direct arylation reaction as the key step, making the overall process potentially scalable. The synthetic sequence has been demonstrated also for an isatin bearing

  我们报告的创新，平面，π-共轭化合物的设计，合成和属性，其中噻吩环与天然染料isatin的骨架融合。利用分子内直接芳基化反应作为关键步骤，可以高收率实现合成，从而使整个过程具有潜在的可扩展性。对于在芳族环上带有氟取代基的靛红也已经证明了合成顺序。NMR和X射线研究表明，在融合，共面和共轭部分之间发生了串扰，使这些新型染料具有供体-受体特性。循环伏安法和UV-vis研究证实了新化合物的HOMO-LUMO水平和能隙非常有趣。
• Synthesis, characterization, and photophysical properties of cyclometalated N-Heterocyclic carbene Platinum(II) complexes
  作者：Francesco Mastrocinque、Craig M. Anderson、Adel M. Elkafas、Isabel V. Ballard、Joseph M. Tanski

  DOI：10.1016/j.jorganchem.2018.10.026

  日期：2019.2

  containing N-heterocyclic carbene (NHC) moieties were used to synthesize five and six-membered Pt(II) metallacycles. Ligand scaffolding was synthesized using two methods. The ligands were synthesized using a coupling reaction, utilizing Cu2O as the catalyst or were synthesized using a nucleophilic substitution reaction. The ligands were then metalated by chelate-assisted CH activation. The synthesis, characterization

  含有N-杂环卡宾（NHC）部分的噻吩和苯并噻吩配体用于合成五元和六元Pt（II）金属环。配体支架使用两种方法合成。使用Cu 2 O作为催化剂，使用偶联反应合成配体，或者使用亲核取代反应合成配体。然后通过螯合辅助的C H活化使配体金属化。这些NHC官能化的环金属化产物的合成，表征，反应性和光物理性质得到了报道。
• 一种BuChE-IDO1抑制剂、制备方法及其应用
  申请人：西南大学

  公开号：CN112694472A

  公开（公告）日：2021-04-23

  本发明涉及医药领域，具体公开了一种BuChE‑IDO1抑制剂、制备方法及其应用。本发明对舍他康唑的7‑氯‑3‑取代苯并噻吩部分进行了化学修饰，探究其对AChE，BuChE和IDO1的体外抑制活性的影响，并进一步的优化出本发明的目标化合物，解决了现有BuChE‑IDO1抑制剂针对性和安全性欠佳的技术问题。本发明探究出了在2‑苯并噻唑环上引入合适的取代基可以与周围的氨基酸和血红素铁形成额外的相互作用，从而增加类似物与BuChE和IDO1的结合亲和力，为更加高效、更具针对性的治疗晚期AD疾病拓宽了新思路。
• Air- and Light-Stable <i>S</i>-(Difluoromethyl)sulfonium Salts: <i>C</i>-Selective Electrophilic Difluoromethylation of β-Ketoesters and Malonates
  作者：Sheng-Le Lu、Xin Li、Wen-Bing Qin、Jian-Jian Liu、Yi-Yong Huang、Henry N. C. Wong、Guo-Kai Liu

  DOI：10.1021/acs.orglett.8b03067

  日期：2018.11.2

  Air- and light-stable electrophilic difluoromethylating reagents, S-(difluoromethyl)-S-phenyl-S-(2,4,6-trialkoxyphenyl) sulfonium salts were successfully developed, and the introduction of intramolecular hydrogen bonds plays a crucial role for the stabilities and reactivities of these reagents. C-selective difluoromethylation of a broad range of β-ketoesters and malonates proceeded smoothly under mild

  空气和光稳定的亲电子二氟甲基化试剂，S-（二氟甲基）-S-苯基-S-（2,4,6-三烷氧基苯基）salts盐已成功开发，并且分子内氢键的引入对于该化合物起着至关重要的作用。这些试剂的稳定性和反应性。在温和的反应条件下，各种β-酮酸酯和丙二酸酯的C选择性二氟甲基化反应平稳进行，从而以良好的C / O区域选择性提供了良好至优异的收率。
• Synthesis and reactivity of oxopyrrolidinothieno[2]azepinones: [3]Benzazepine antidepressant analogs
  作者：AÏCha Mamouni、Adam Daïch、Bernard Decroix

  DOI：10.1002/jhet.5570330443

  日期：1996.7

  A synthesis of oxopyrrolidino[2]azepinones annelated to a thiophene ring 3a,b,c is described starting from succinimide and halogenomethylthiophenes 6a,b,c. Stereoselective reduction, Schmidt reaction and the Beckmann rearrangement of the oximes of the ketones 3a,b,c are studied.

  从琥珀酰亚胺和卤代甲基噻吩6a，b，c开始，描述了与噻吩环3a，b，c退火的氧吡咯烷基[2] a庚酮的合成。研究了酮3a，b，c的肟的立体选择性还原，施密特反应和贝克曼重排。

表征谱图