5-溴-4-甲基-2-噻吩羧酸甲酯 | 54796-47-3

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 噻吩类
• 中文名称: 5-溴-4-甲基-2-噻吩羧酸甲酯
• 中文别名: 甲基五溴-4-甲基-2-噻吩
• 英文名称: methyl 5-bromo-4-methylthiophene-2-carboxylate
• 英文别名: 5-bromo-4-methyl-thiophene-2-carboxylic acid methyl ester；5-bromo-4-methyl-2-thiophenecarboxylic acid methyl ester
• CAS: 54796-47-3
• 化学式: C₇H₇BrO₂S
• 分子量: 235.101
• InChiKey: RJWZFHRMQRWEIH-UHFFFAOYSA-N

物化性质

• 熔点：
  35 °C
• 沸点：
  275.6±35.0 °C(Predicted)
• 密度：
  1.575±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  3.2
• 重原子数：
  11
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.29
• 拓扑面积：
  54.5
• 氢给体数：
  0
• 氢受体数：
  3

安全信息

• 危险品标志：
  Xi
• 安全说明：
  S26,S37/39
• 危险类别码：
  R36/37/38
• 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

Name:	Methyl 5-bromo-4-methyl-2-thiophenecarboxylate 97% Material Safety Data Sheet
Synonym:
CAS:	54796-47-3

Section 1 - Chemical Product MSDS Name:Methyl 5-bromo-4-methyl-2-thiophenecarboxylate 97% Material Safety Data Sheet
Synonym:

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Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
54796-47-3	Methyl 5-bromo-4-methyl-2-thiophenecar	97%	unlisted

Hazard Symbols: XI
Risk Phrases: 36/37/38

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Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. May be harmful if absorbed through the skin.
Ingestion:
May cause irritation of the digestive tract. May be harmful if swallowed.
Inhalation:
Causes respiratory tract irritation. May be harmful if inhaled.
Chronic:
Not available.

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Section 4 - FIRST AID MEASURES
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Get medical aid. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
Treat symptomatically and supportively.

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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.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

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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.

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Section 7 - HANDLING and STORAGE
Handling:
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Storage:
Store in a cool, dry place. Store in a tightly closed container.

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Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 54796-47-3: Personal Protective Equipment Eyes: Not available.
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.

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Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Solid
Color: Not available.
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 39 - 40 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: C7H7BrO2S
Molecular Weight: 235.1

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Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, oxides of sulfur, carbon dioxide, hydrogen bromide, bromine.
Hazardous Polymerization: Has not been reported

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Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 54796-47-3 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Methyl 5-bromo-4-methyl-2-thiophenecarboxylate - Not listed by ACGIH, IARC, or NTP.

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Section 12 - ECOLOGICAL INFORMATION

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

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Section 14 - TRANSPORT INFORMATION

IATA
No information available.
IMO
No information available.
RID/ADR
No information available.

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Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI
Risk Phrases:
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 37/39 Wear suitable gloves and eye/face
protection.
WGK (Water Danger/Protection)
CAS# 54796-47-3: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 54796-47-3 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 54796-47-3 is not listed on the TSCA inventory.
It is for research and development use only.

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SECTION 16 - ADDITIONAL INFORMATION
N/A

反应信息

• 作为反应物：
  描述：

  5-溴-4-甲基-2-噻吩羧酸甲酯 在 水 、 sodium hydroxide 作用下， 以 乙醇 为溶剂， 反应 2.0h， 以76%的产率得到5-溴-4-甲基噻吩-2-羧酸
  参考文献：
  名称：

  Useful thiophene derivatives in the treatment of diabetes

  摘要：

  本发明涉及以下通式I的噻吩衍生物或其对映体、二对映体异构体、水合物、溶剂化合物、互变异构体、消旋混合物或其药用可接受盐，或其作为一种药物的用途，特别用于治疗和/或预防糖尿病、其并发症和/或相关病理，有利地是II型糖尿病和高血糖。

  公开号：

  US09777015B2
• 作为产物：
  描述：

  4-甲基噻吩-2-甲基羧酸盐 在 N-溴代丁二酰亚胺(NBS) 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 反应 4.0h， 以8.8 g的产率得到5-溴-4-甲基-2-噻吩羧酸甲酯
  参考文献：
  名称：

  JP6021148

  摘要：

  公开号：

文献信息

• IMIDAZOLYL PYRIMIDINE INHIBITOR COMPOUNDS
  申请人：Venkataramani Chandrasekar

  公开号：US20100009990A1

  公开（公告）日：2010-01-14

  A compound of general Formula (I) having histone deacetylase (HDAC) and/or Cyclin-dependent kinase (CDK) inhibitory activity, a pharmaceutical composition comprising the compound, and a method useful to treat diseases using the compound.

  具有组蛋白去乙酰化酶（HDAC）和/或 Cyclin 依赖性激酶（CDK）抑制活性的一般式（I）化合物，包括该化合物的药物组合物，以及使用该化合物治疗疾病的有效方法。
• [EN] COMT INHIBITORS<br/>[FR] INHIBITEURS DE COMT
  申请人：HOFFMANN LA ROCHE

  公开号：WO2014102233A1

  公开（公告）日：2014-07-03

  The present invention relates to compounds of formula (I), wherein the substituents are described in claim 1 and to the pharmaceutically acceptable salts thereof. These compounds inhibit the enzyme catechol-O-methyltransferase (COMT). The compounds may be used for the treatment of Parkinson's disease, depression, cognitive impairment and motor symptoms, resistant depression, cognitive impairment, mood and negative symptoms of schizophrenia.

  本发明涉及式(I)的化合物，其中取代基如权利要求1所述，并且其药学上可接受的盐。这些化合物抑制酶儿茶酚-O-甲基转移酶(COMT)。这些化合物可用于治疗帕金森病、抑郁症、认知障碍和运动症状、抗抑郁症、认知障碍、情绪和精神分裂症的消极症状。
• PIPERAZINE CARBAMATES AND METHODS OF MAKING AND USING SAME
  申请人：ABIDE THERAPEUTICS, INC.

  公开号：US20190202801A1

  公开（公告）日：2019-07-04

  Provided herein are piperazine carbamates and pharmaceutical compositions comprising said compounds. The subject compounds and compositions are useful as modulators of MAGL and/or ABHD6. Furthermore, the subject compounds and compositions are useful for the treatment of pain.

  本文提供了哌嗪氨基甲酸酯和包含该化合物的药物组合物。所述化合物和组合物可用作MAGL和/或ABHD6的调节剂。此外，所述化合物和组合物可用于治疗疼痛。
• Aryl nitrogen-containing bicyclic compounds and methods of use
  申请人：Patel F. Vinod

  公开号：US20070054916A1

  公开（公告）日：2007-03-08

  The present invention comprises a new class of compounds useful for the prophylaxis and treatment of protein kinase mediated diseases, including inflammation, cancer and related conditions. The compounds have a general Formula I wherein A 1 , A 2 , A 3 , B, R 1 , R 2 , R 3 and R 4 are defined herein. Accordingly, the invention also comprises pharmaceutical compositions comprising the compounds of the invention, methods for the prophylaxis and treatment of kinase mediated diseases using the compounds and compositions of the invention, and intermediates and processes useful for the preparation of compounds of the invention.

  这项发明涉及一类新的化合物，用于预防和治疗蛋白激酶介导的疾病，包括炎症、癌症和相关疾病。这些化合物具有一般的化学式I，其中A1、A2、A3、B、R1、R2、R3和R4在此有定义。因此，该发明还涉及包括该发明的化合物的药物组合物，使用该发明的化合物和组合物预防和治疗激酶介导的疾病的方法，以及用于制备该发明的化合物的中间体和方法。
• Phthalazine, aza- and diaza-phthalazine compounds and methods of use
  申请人：Tasker Andrew

  公开号：US20060199817A1

  公开（公告）日：2006-09-07

  The present invention comprises a new class of compounds useful for the prophylaxis and treatment of protein kinase mediated diseases, including inflammation and related conditions. The compounds have a general Formula I wherein A 1 , A 2 , B, R 1 , R 2 , R 3 and R 4 are defined herein. The invention also comprises pharmaceutical compositions including one or more compounds of Formula I, uses of such compounds and compositions for treatment of kinase mediated diseases including rheumatoid arthritis, psoriasis and other inflammation disorders, as well as intermediates and processes useful for the preparation of compounds of Formula I.

  本发明包括一类新的化合物，用于预防和治疗蛋白激酶介导的疾病，包括炎症及相关状况。这些化合物的通用公式为I 其中A 1 ，A 2 ，B，R 1 ，R 2 ，R 3 和R 4 在此定义。该发明还包括包括一个或多个I公式化合物的药物组合物，以及使用这些化合物和组合物治疗激酶介导的疾病，包括类风湿性关节炎，银屑病和其他炎症性疾病，以及用于制备I公式化合物的中间体和工艺。