2-溴-1-(1-甲基-1H-苯并咪唑-2-基-1-乙酮 | 56653-43-1

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并咪唑类
• 中文名称: 2-溴-1-(1-甲基-1H-苯并咪唑-2-基-1-乙酮
• 中文别名: 2-溴-1-(1-甲基-1H-苯并咪唑-2-基)-1-乙酮
• 英文名称: 2-(bromoacetyl)-1-methylbenzimidazole
• 英文别名: 2-bromo-1-(1-methyl-1H-benzimidazol-2-yl)-ethanone；2-bromo-1-(1-methyl-1H-benzimidazol-2-yl)-1-ethanone；2-bromo-1-(1-methyl-1H-benzo[d]imidazol-2-yl)ethan-1-one；1-Methyl-2-bromacetyl-benzimidazol；2-bromo-1-(1-methylbenzimidazol-2-yl)ethanone
• CAS: 56653-43-1
• 化学式: C₁₀H₉BrN₂O
• 分子量: 253.098
• InChiKey: KHFRWYRANOMZCP-UHFFFAOYSA-N

物化性质

• 熔点：
  100 °C
• 沸点：
  371.9±44.0 °C(Predicted)
• 密度：
  1.57±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.1
• 重原子数：
  14
• 可旋转键数：
  2
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.2
• 拓扑面积：
  34.9
• 氢给体数：
  0
• 氢受体数：
  2

安全信息

• 海关编码：
  2933990090

SDS

Name:	2-Bromo-1-(1-methyl-1H-benzimidazol-2-yl)-1-ethanone Material Safety Data Sheet
Synonym:	None Known
CAS:	56653-43-1

Section 1 - Chemical Product MSDS Name:2-Bromo-1-(1-methyl-1H-benzimidazol-2-yl)-1-ethanone Material Safety Data Sheet
Synonym:None Known

---

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
56653-43-1	2-Bromo-1-(1-methyl-1H-benzimidazol-2-	97+%	unlisted

Hazard Symbols: C
Risk Phrases: 34

---

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Causes burns.
Potential Health Effects
Eye:
Causes eye burns.
Skin:
Causes skin burns.
Ingestion:
Causes gastrointestinal tract burns.
Inhalation:
Causes chemical burns to the respiratory tract.
Chronic:
Chronic exposure may cause effects similar to those of acute exposure.

---

Section 4 - FIRST AID MEASURES
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. Do NOT allow victim to rub eyes or keep eyes closed.
Skin:
Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
If swallowed, do NOT induce vomiting. Get medical aid immediately.
If victim is fully conscious, give a cupful of water. Never give anything by mouth to an unconscious person.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If breathing is difficult, give oxygen. Do NOT use mouth-to-mouth resuscitation. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask.
Notes to Physician:
Treat symptomatically and supportively.

---

Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media:
Use foam, dry chemical, or carbon dioxide.

---

Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions.
Provide ventilation.

---

Section 7 - HANDLING and STORAGE
Handling:
Minimize dust generation and accumulation. Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing.
Keep container tightly closed. Do not ingest or inhale. Use only in a chemical fume hood. Discard contaminated shoes. Use only with adequate ventilation.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
Corrosives area.

---

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 56653-43-1: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

---

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Solid
Color: Brown
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 119 - 121 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C10H9BrN2O
Molecular Weight: 253.1

---

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, dust generation.
Incompatibilities with Other Materials:
Amines, strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, oxides of nitrogen, carbon dioxide, hydrogen bromide, bromine.
Hazardous Polymerization: Has not been reported

---

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 56653-43-1 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
2-Bromo-1-(1-methyl-1H-benzimidazol-2-yl)-1-ethanone - Not listed by ACGIH, IARC, or NTP.

---

Section 12 - ECOLOGICAL INFORMATION
Ecotoxicity:
Fish: Pseudomonas putida:

---

Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

---

Section 14 - TRANSPORT INFORMATION

IATA
Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.
Hazard Class: 8
UN Number: 3261
Packing Group: III
IMO
Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.
Hazard Class: 8
UN Number: 3261
Packing Group: III
RID/ADR
Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.
Hazard Class: 8
UN Number: 3261
Packing group: III

---

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C
Risk Phrases:
R 34 Causes burns.
Safety Phrases:
S 22 Do not breathe dust.
S 24/25 Avoid contact with skin and eyes.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 56653-43-1: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 56653-43-1 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 56653-43-1 is not listed on the TSCA inventory.
It is for research and development use only.

---

SECTION 16 - ADDITIONAL INFORMATION
N/A

反应信息

• 作为反应物：
  描述：

  2-溴-1-(1-甲基-1H-苯并咪唑-2-基-1-乙酮 以 乙醇 为溶剂， 反应 3.25h， 生成 2-cyano-N-[4-(N-methylbenzimidazole-2-yl)-thiazol-2-yl]acetamide
  参考文献：
  名称：

  某些基于苯并咪唑的杂环的合成及其作为铜腐蚀抑制剂的应用

  摘要：

  从N-甲基-2-溴乙酰基苯并咪唑合成了一系列嵌入了各种官能团的新取代苯并咪唑。对合成的化合物进行了充分的表征，并在可能的情况下根据元素分析，光谱数据和替代的合成途径阐明了其结构。测试了一些苯并咪唑衍生物作为缓蚀剂。

  DOI：

  10.1002/jhet.3407
• 作为产物：
  描述：

  2-乙酰苯并咪唑 在 溴 、 溶剂黄146 、 sodium hydroxide 作用下， 生成 2-溴-1-(1-甲基-1H-苯并咪唑-2-基-1-乙酮
  参考文献：
  名称：

  某些基于苯并咪唑的杂环的合成及其作为铜腐蚀抑制剂的应用

  摘要：

  从N-甲基-2-溴乙酰基苯并咪唑合成了一系列嵌入了各种官能团的新取代苯并咪唑。对合成的化合物进行了充分的表征，并在可能的情况下根据元素分析，光谱数据和替代的合成途径阐明了其结构。测试了一些苯并咪唑衍生物作为缓蚀剂。

  DOI：

  10.1002/jhet.3407

文献信息

• Design, synthesis, biological evaluation, QSAR analysis and molecular modelling of new thiazol-benzimidazoles as EGFR inhibitors
  作者：Aladdin M. Srour、Nesreen S. Ahmed、Somaia S. Abd El-Karim、Manal M. Anwar、Salwa M. El-Hallouty

  DOI：10.1016/j.bmc.2020.115657

  日期：2020.9

  constitute several FDA-approved drugs for cancer treatment. In this work, a new set of 2-(2-(substituted) hydrazinyl)-4-(1-methyl-1H-benzo[d]imidazol-2-yl) thiazoles 4a-q were designed as epidermal growth factor receptor (EGFR) inhibitors and synthesized using concise synthetic methods. The new target compounds have been evaluated in vitro for their suppression activity against EGFR TK. Compounds 4n, 4h

  杂环如噻唑和苯并咪唑被认为是特权结构，因为它们构成了几种FDA批准的用于癌症治疗的药物。在这项工作中，设计了一组新的2-（2-（取代）肼基）-4-（1-甲基-1 H-苯并[ d ]咪唑-2-基）噻唑4a-q作为表皮生长因子受体（EGFR）抑制剂，并使用简明的合成方法合成。已经在体外评估了新的目标化合物对EGFR TK的抑制活性。化合物4n，4h，4i，4a和4d与作为参考药物的厄洛替尼相比，具有显着的效力（IC50，71.67–152.59 nM； IC50厄洛替尼，152.59 nM）。此外，MTT分析表明，化合物4j，4a，4f，4h，4n对人乳腺癌细胞系（MCF-7）产生了最有希望的细胞毒性作用（IC50； 5.96-11-1.91 µM；厄洛替尼IC50； 4.15 µM）。化合物4a作为EGFR TK抑制剂和抗乳腺癌药物显示出有希望的活性。此外，4a诱导凋亡作用，并在G2 / M
• Synthesis and structure–activity relationship of aminoarylthiazole derivatives as correctors of the chloride transport defect in cystic fibrosis
  作者：Emanuela Pesce、Marta Bellotti、Nara Liessi、Sara Guariento、Gianluca Damonte、Elena Cichero、Andrea Galatini、Annalisa Salis、Ambra Gianotti、Nicoletta Pedemonte、Olga Zegarra-Moran、Paola Fossa、Luis J.V. Galietta、Enrico Millo

  DOI：10.1016/j.ejmech.2015.05.030

  日期：2015.6

  targeted by small molecules called generically correctors and potentiators, respectively. Aminoarylthiazoles (AATs) represent an interesting class of compounds that includes molecules with dual activity, as correctors and potentiators. With the aim to improve the activity profile of AATs, we have now designed and synthesized a library of novel compounds in order to establish an initial SAR that may provide

  囊性纤维化跨膜电导调节剂 (CFTR) 是存在于上皮细胞膜中的氯离子通道。影响CFTR的突变基因导致囊性纤维化（CF），一种多器官严重疾病。最常见的 CF 突变 F508del 会损害 CFTR 蛋白的加工和活性（门控）。其他突变，如 G551D，只会导致门控缺陷。加工和门控缺陷可以分别被称为一般校正剂和增强剂的小分子作为目标。氨基芳基噻唑 (AAT) 代表了一类有趣的化合物，包括具有双重活性的分子，作为校正剂和增强剂。为了改善 AAT 的活性特征，我们现在设计并合成了一个新化合物库，以建立一个初始 SAR，该 SAR 可以提供有关对救援活动有益或有害的化学基团的指示。使用功能测定法在表达 CFBE41o 的 F508del-CFTR 中测试了新化合物作为校正剂和增强剂。双重活性化合物 AAT-如图 4a 所示，当与校正剂 VX-809 组合时，其特征在于提高的功效和显着的协同作用。此外，通过计算方法，已检测到核苷酸结合域
• [EN] 2-PHENYL OR 2-HETARYL IMIDAZOL[1,2-a]PYRIDINE DERIVATIVES<br/>[FR] DÉRIVÉS DE 2-PHÉNYL- OU 2-HÉTARYL-IMIDAZOL[1,2-A]PYRIDINE
  申请人：HOFFMANN LA ROCHE

  公开号：WO2014177458A1

  公开（公告）日：2014-11-06

  The invention relates to compounds of formulas I and II, formula I or formula II wherein R1 is hydrogen, lower alkyl, lower alkoxy, halogen, S-lower alkyl, lower alkoxy substituted by halogen, di-lower alkyl amino, C(O)O-lower alkyl, lower alkyl substituted by hydroxy or hydroxy; R2 is hydrogen, lower alkyl, halogen, lower alkoxy, S-lower alkyl, lower alkoxy substituted by halogen, O(CH2)2-lower alkoxy substituted by halogen, di-lower alkyl amino, alkyl amino, NH-lower alkyl substituted by halogen, N(lower alkyl)-benzyl, lower alkyl substituted by hydroxy, heterocycloalkyl optionally substituted by halogen, CH2-lower alkoxy, CH2-lower alkoxy substituted by halogen or hydroxy; or R1 and R2 form together with the carbon atoms to which they are attached a ring containing -OCH2CH2O-, OCH2O-, OCH2CH2CH2O- or -NHC(O)CH2O-; R3 is hydrogen or lower alkoxy; R4 is hydrogen or lower alkyl; R5 is lower alkyl, cycloalkyl, lower alkyl substituted by hydroxy or lower alkyl substituted by halogen; or R4 and R5 form together with the nitrogen atom to which they are attached a ring containing -CH2CH2CHRCH2CH2-, -CH2CHRCH2CH2-, -CH2CH2OCH2CH2-, -CH2CH2NR'CH2CH2-, CH2CHR- or -CH2CH2CH2-; wherein R is hydrogen, halogen, lower alkyl, lower alkoxy or lower alkyl substituted by halogen; R' is lower alkyl substituted by halogen; Ra is hydrogen or H; Rb is hydrogen, hydroxy or 3H; R6 is hydrogen, halogen or lower alkyl; HetAr is selected from the group consisting of thiophenyl, furanyl, thiozolyl, benzofuranyl, pyrazolyl, benzoimidazolyl or pyridinyl; n is 1 or 2; or to a pharmaceutically acceptable acid addition salt, to a racemic mixture or to its corresponding enantiomer and/or optical isomers thereof. The present compounds are suitable as imaging tool, which will improve diagnosis by identifying potential patients with excess of tau aggregates in the brain, which may be likely to develop Alzheimer's disease.

  本发明涉及式I和式II的化合物，式I或式II中，R1为氢、低级烷基、低级烷氧基、卤素、S-低级烷基、卤素取代的低级烷氧基、二-低级烷基氨基、C(O)O-低级烷基、羟基取代的低级烷基或羟基；R2为氢、低级烷基、卤素、低级烷氧基、S-低级烷基、卤素取代的低级烷氧基、O(CH2)2-卤素取代的低级烷氧基、二-低级烷基氨基、烷基氨基、NH-卤素取代的低级烷基、N(低级烷基)-苄基、羟基取代的低级烷基、任选卤素取代的杂环烷基、CH2-低级烷氧基、CH2-卤素或羟基取代的低级烷氧基；或者R1和R2与其所连接的碳原子一起形成含有-OCH2CH2O-、OCH2O-、OCH2CH2CH2O-或-NHC(O)CH2O-的环；R3为氢或低级烷氧基；R4为氢或低级烷基；R5为低级烷基、环烷基、羟基取代的低级烷基或卤素取代的低级烷基；或者R4和R5与其所连接的氮原子一起形成含有-CH2CH2CHRCH2CH2-、-CH2CHRCH2CH2-、-CH2CH2OCH2CH2-、-CH2CH2NR'CH2CH2-、CH2CHR-或-CH2CH2CH2-的环；其中R为氢、卤素、低级烷基、低级烷氧基或卤素取代的低级烷基；R'为卤素取代的低级烷基；Ra为氢或H；Rb为氢、羟基或3H；R6为氢、卤素或低级烷基；HetAr选自噻吩基、呋喃基、噻唑基、苯并呋喃基、吡唑基、苯并咪唑基或吡啶基；n为1或2；或为药学上可接受的酸加成盐、外消旋混合物或其相应的对映体和/或光学异构体。本发明的化合物适合作为成像工具，通过识别大脑中tau聚集体过量的潜在患者，将有助于改善诊断，这些患者可能发展为阿尔茨海默病。
• Studies on non-steroidal inhibitors of aromatase enzyme; 4-(aryl/heteroaryl)-2-(pyrimidin-2-yl)thiazole derivatives
  作者：Zafer Sahin、Merve Ertas、Barkın Berk、Sevde Nur Biltekin、Leyla Yurttas、Seref Demirayak

  DOI：10.1016/j.bmc.2018.02.048

  日期：2018.5

  Steroidal and non-steroidal aromatase inhibitors target the suppression of estrogen biosynthesis in the treatment of breast cancer. Researchers have increasingly focused on developing non-steroidal derivatives for their potential clinical use avoiding steroidal side-effects. Non-steroidal derivatives generally have planar aromatic structures attached to the azole ring system. One part of this ring

  甾体和非甾体芳香酶抑制剂的目标是在乳腺癌的治疗中抑制雌激素的生物合成。研究人员越来越多地致力于开发非甾体衍生物以用于其潜在的临床用途，从而避免甾体副作用。 非甾族衍生物通常具有连接至唑环系统的平面芳族结构。该环系统的一部分包含通过芳香化酶的血红素基团的配位抑制芳香化的官能团。三唑环系统的取代和侧链芳族/环状结构的发展可以增加对芳香酶抑制的选择性。 在这项研究中，合成了4-（芳基/杂芳基）-2-（嘧啶-2-基）噻唑衍生物，并进行了物理分析和结构确定研究。通过基于荧光的芳香化酶抑制测定法确定IC 50值，并且发现化合物1（4-（2-羟苯基）-2-（嘧啶-2-基）噻唑）是有效的酶抑制剂（IC 50：0.42 nM） 。然后，使用3-（4,5-二甲基噻唑-2-基）-2,5-二苯基四唑溴化物（MTT）分析评估了它们对MCF-7和HEK-293细胞系的抗增殖活性。化合物1，7，8，13，15，18，2
• [EN] NEW HETEROCYCLIC COMPOUNDS<br/>[FR] NOUVEAUX COMPOSÉS HÉTÉROCYCLIQUES
  申请人：HOFFMANN LA ROCHE

  公开号：WO2021005034A1

  公开（公告）日：2021-01-14

  The invention provides new heterocyclic compounds having the general formula (I) wherein R1, R2, X, and Y are as defined herein, compositions including the compounds, processes of manufacturing the compounds and methods of using the compounds.

  该发明提供了具有一般式（I）的新杂环化合物，其中R1、R2、X和Y如本文所定义，包括这些化合物的组合物，制造这些化合物的过程以及使用这些化合物的方法。