4-溴-2-呋喃甲醛 | 21921-76-6

• 物质功能分类: 有机原料 - 杂环化合物
• 分子结构分类: 有机化合物 - 有机氧化合物
• 中文名称: 4-溴-2-呋喃甲醛
• 中文别名: 4-溴-2-糠醛；2-甲酰基-4-溴呋喃；4-溴糠醛
• 英文名称: 4-bromo-2-furancarbaldehyde
• 英文别名: 4-Bromo-2-furaldehyde；4-bromofuran-2-carbaldehyde
• CAS: 21921-76-6
• 化学式: C₅H₃BrO₂
• mdl: MFCD00671504
• 分子量: 174.982
• InChiKey: MRGBBKQOSUHKPF-UHFFFAOYSA-N

物化性质

• 熔点：
  54-58 °C
• 沸点：
  112℃/16mm
• 密度：
  1.748±0.06 g/cm3(Predicted)
• 闪点：
  >230 °F
• 稳定性/保质期：
  <b> <p></p> </b>

计算性质

• 辛醇/水分配系数(LogP)：
  1.5
• 重原子数：
  8
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  30.2
• 氢给体数：
  0
• 氢受体数：
  2

安全信息

• 安全说明：
  S26,S28,S36/37/39
• 危险品运输编号：
  NONH for all modes of transport
• 海关编码：
  2932190090
• 危险品标志：
  Xn
• 危险类别码：
  R22,R36/37/38,R43
• WGK Germany：
  3
• 危险性防范说明：
  P261,P280,P305+P351+P338
• 危险性描述：
  H302,H315,H317,H319,H335
• 储存条件：
  冰冻

SDS

4-Bromo-2-furaldehyde Revision number: 1
SAFETY DATA SHEET

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Section 1. BASE INFORMATION
Product name: 4-Bromo-2-furaldehyde

Revision number: 1

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Section 2. HAZARDS IDENTIFICATION
Classification of the GHS
PHYSICAL HAZARDS Not classified
HEALTH HAZARDS
Category 2
Skin corrosion/irritation
Serious eye damage/eye irritation Category 2A
Not classified
ENVIRONMENTAL HAZARDS
GHS label elements
Pictograms or hazard symbols
Signal word Warning
Hazard statement Causes skin irritation
Causes serious eye irritation
Precautionary statements
[Prevention] Wash hands thoroughly after handling.
Wear protective gloves/eye protection/face protection.
[Response] IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses,
if present and easy to do. Continue rinsing.
If eye irritation persists: Get medical advice/attention.
IF ON SKIN: Gently wash with plenty of soap and water.
If skin irritation occurs: Get medical advice/attention.
Take off contaminated clothing and wash before reuse.

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Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
Substance/mixture: Substance
Component(s): 4-Bromo-2-furaldehyde
Percent: >95.0%(GC)
CAS Number: 21921-76-6
Synonyms: 4-Bromofurfural
Chemical Formula: C5H3BrO2

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Section 4. FIRST AID MEASURES
Inhalation: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
Get medical advice/attention if you feel unwell.
4-Bromo-2-furaldehyde

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Section 4. FIRST AID MEASURES
Skin contact: Remove/Take off immediately all contaminated clothing. Gently wash with plenty of
soap and water. If skin irritation or rash occurs: Get medical advice/attention.
Eye contact: Rinse cautiously with water for several minutes. Remove contact lenses, if present
and easy to do. Continue rinsing. If eye irritation persists: Get medical
advice/attention.
Ingestion: Get medical advice/attention if you feel unwell. Rinse mouth.
A rescuer should wear personal protective equipment, such as rubber gloves and air-
Protection of first-aiders:
tight goggles.

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Section 5. FIRE-FIGHTING MEASURES
Suitable extinguishing Dry chemical, foam, water spray, carbon dioxide.
media:
Specific hazards: Take care as it may decompose upon combustion or in high temperatures to
generate poisonous fume.
Specific methods: Fire-extinguishing work is done from the windward and the suitable fire-extinguishing
method according to the surrounding situation is used. Uninvolved persons should
evacuate to a safe place. In case of fire in the surroundings: Remove movable
containers if safe to do so.
Special protective When extinguishing fire, be sure to wear personal protective equipment.
equipment for firefighters:

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Section 6. ACCIDENTAL RELEASE MEASURES
Personal precautions, Use personal protective equipment. Keep people away from and upwind of spill/leak.
protective equipment and Entry to non-involved personnel should be controlled around the leakage area by
emergency procedures: roping off, etc.
Environmental precautions: Prevent product from entering drains.
Methods and materials for Sweep dust to collect it into an airtight container, taking care not to disperse it.
containment and cleaning Adhered or collected material should be promptly disposed of, in accordance with
up: appropriate laws and regulations.

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Section 7. HANDLING AND STORAGE
Handling
Technical measures: Handling is performed in a well ventilated place. Wear suitable protective equipment.
Prevent dispersion of dust. Wash hands and face thoroughly after handling.
Use a local exhaust if dust or aerosol will be generated.
Advice on safe handling: Avoid contact with skin, eyes and clothing.
Storage
Keep container tightly closed. Store in a refrigerator.
Storage conditions:
Store under inert gas.
Store away from incompatible materials such as oxidizing agents.
Packaging material: Law is followed.

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Section 8. EXPOSURE CONTROLS / PERSONAL PROTECTION
Engineering controls: Install a closed system or local exhaust as possible so that workers should not be
exposed directly. Also install safety shower and eye bath.
Personal protective equipment
Respiratory protection: Dust respirator. Follow local and national regulations.
Hand protection: Protective gloves.
Eye protection: Safety glasses. A face-shield, if the situation requires.
Skin and body protection: Protective clothing. Protective boots, if the situation requires.

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Section 9. PHYSICAL AND CHEMICAL PROPERTIES
Solid
Physical state (20°C):
Form: crystal - powder
Color: White - Pale yellow
Odor: No data available
4-Bromo-2-furaldehyde

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Section 9. PHYSICAL AND CHEMICAL PROPERTIES
pH: No data available
Melting point/freezing point:55 °C
Boiling Point/Range: No data available
Flash Point: No data available
Explosive limits
No data available
Lower:
Upper: No data available
No data available
Density:
Solubility: No data available

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Section 10. STABILITY AND REACTIVITY
Stability: Stable under proper conditions.
Reactivity: No special reactivity has been reported.
Conditions to avoid: Heat-sensitive, Air-sensitive
Incompartible materials: oxidizing agents
Hazardous Decomposition Carbon monoxide, Carbon dioxide, Hydrogen bromide
Products:

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Section 11. TOXICOLOGICAL INFORMATION
Acute Toxicity: No data available
Skin corrosion/irritation: No data available
Serious eye No data available
damage/irritation:
Germ cell mutagenicity: No data available
Carcinogenicity:
IARC = No data available
No data available
NTP =
Reproductive toxicity: No data available

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Section 12. ECOLOGICAL INFORMATION
Ecotoxicity:
Fish: No data available
Crustacea: No data available
Algae: No data available
Persistence / degradability: No data available
Bioaccumulative No data available
potential(BCF):
Mobillity in soil
log Pow: No data available
Soil adsorption (Koc): No data available
Henry's Law No data available
constant(PaM3/mol):

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Section 13. DISPOSAL CONSIDERATIONS
Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material
with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system.
Observe all federal, state and local regulations when disposing of the substance.

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Section 14. TRANSPORT INFORMATION
Hazards Class: Does not correspond to the classification standard of the United Nations
UN-No: Not Listed

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Section 15. REGULATORY INFORMATION
Safe management ordinance of dangerous chemical product (State Council announces on January 26,
2002): Safe use and production, the storage of a dangerous chemical, transport, loading and unloading were
prescribed.
4-Bromo-2-furaldehyde

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SECTION 16 - ADDITIONAL INFORMATION
N/A

制备方法与用途

4-溴-2-呋喃甲醛是一种重要的有机合成中间体化合物，广泛应用于医药、农药、染料以及高分子材料等领域。

反应信息

• 作为反应物：
  描述：

  4-溴-2-呋喃甲醛 在 palladium on activated charcoal 4-二甲氨基吡啶 、 (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride 、 sodium tetrahydroborate 、 potassium phosphate 、 锂硼氢 、 乙醇 、 camphor-10-sulfonic acid 、 potassium acetate 、 4-甲基苯磺酸吡啶 、 lithium 、 碳酸氢钠 、 三乙胺 、 nickel dichloride 、 sodium t-butanolate 作用下， 以 四氢呋喃 、 甲醇 、 乙醇 、 二氯甲烷 、 氨 、 二甲基亚砜 、 乙酸乙酯 、 N,N-二甲基甲酰胺 为溶剂， 反应 49.5h， 生成 tert-butyl (3S,5S,10R)-10-(5-[3-[(tert-butoxycarbonyl)oxy]propyl]-3-furyl)-1-oxo-7-(phenylsulfonyl)-3-[2-(tetrahydro-2H-pyran-2-yloxy)ethyl]-2,7-diazaspiro[4.5]decane-2-carboxylate
  参考文献：
  名称：

  The First Total Synthesis of Nakadomarin A

  摘要：

  (-)-Nakadomarin A是一种来自海洋海绵的曼萨敏生物碱，具有独特的六环结构。天然产物的对映体(+)-nakadomarin A的首次全合成已从立体化学明确定义的4-氧代哌啶-3-羧酸衍生物中完成。该合成确定了nakadomarin A的结构，包括绝对构型。

  DOI：

  10.1021/ja034464j
• 作为产物：
  描述：

  4,5-二溴-2-呋喃甲醛 在 盐酸 、 正丁基锂 、 硝酸铵 作用下， 以 乙醚 、 乙醇 为溶剂， 反应 6.25h， 生成 4-溴-2-呋喃甲醛
  参考文献：
  名称：

  丙酮酸及其衍生物的合成途径

  摘要：

  探索了到环戊酸衍生物的合成途径，并描述了这些分子全部合成的收敛途径。

  DOI：

  10.1016/s0040-4020(01)85090-0

文献信息

• Amino-triazolopyridine derivatives
  申请人：Hoffmann-La Roche Inc.

  公开号：US06355653B1

  公开（公告）日：2002-03-12

  The invention relates to compounds of formula wherein R1 is a 5 or 6 membered heteroaryl group, containing 1 to 3 heteroatoms, selected from N, O or S, and which groups are optionally substituted by one or two substituents, which are lower alkyl, —(CH2)nOH, halogen or lower alkoxy, and wherein the heteroaryl groups may be optionally linked to the pyrazole ring via an alkylene or alkenyl group, or is phenyl, optionally substituted by one or two substituents being lower alkyl, hydroxy-lower alkyl, halogen, hydroxy or lower alkoxy or is —O(CH2)n,phenyl, benzofuryl, indolyl or benzothiophenyl, or is —S-lower alkyl; R2 and R4 are independently from each other hydrogen, cyano or —S(O)2-phenyl; R3 is hydrogen, halogen or is a 5 or 6 membered heteroaryl group, containing 1 to 3 heteroatoms, selected from N, O or S, and which groups are optionally substituted by one or two substituents, which are lower alkyl, —(CH2)n-aryl, hydroxy, halogen, lower alkoxy, morpholinyl, amino, lower alkylamino or —C(O)NR′2, and wherein R′ is lower alkyl or hydrogen, or is phenyl, optionally substituted by one or two substituents being halogen, lower alkyl, lower alkoxy, amino, di-lower alkyl amino, CF3, —OCF3, —NHC(O)lower alkyl, cyano, —C(O)-lower alkyl, —C(O)O-lower alkyl, —S-lower alkyl, —S(O)2NH-phenyl, —S(O)2-methylpiperazinyl; or is —NR′R″, wherein R′ and R″ are independently from each other hydrogen, —(CH2)nphenyl, which phenyl ring is optionally substituted by halogen or lower alkoxy, —CH(lower alkyl)-phenyl, indan-1-yl, 1,2,3,4-tetrahydro-naphthalen, or cycloalkyl; or is —O-phenyl, which phenyl ring is optionally substituted by halogen, lower alkyl or lower alkoxy, —O-tetrahydronaphthalenyl or —O—CH2-6-methyl-pyridin-2-yl; or is -benzo[1,3]dioxolyl, -1H-indol-5-yl, naphthyl, benzofuran-2-yl, 1,3,4,9-tetrahydro-b-carbolin-2-yl, piperidin-1-yl, pyrrolidin-1-yl, piperazin-4-yl-methyl or morpholinyl; R5 is —NR2, wherein R may be the same or different and is hydrogen, lower alkyl, phenyl, benzyl, —CO-lower alkyl, —CO-lower alkoxy, -lower alkenyl, —CO(CH2)n-phenyl or —COO(CH2)n-phenyl, wherein the phenyl ring is optionally substituted by CF3, lower alkoxy, halogen or lower alkyl, —CO(CH2)3-NHCO-lower alkoxy, —(CH2)n-phenyl, wherein the phenyl ring is optionally substituted by lower alkoxy, CF3 or halogen, or is 4,5-dihydro-1H-imidazol-2-yl-benzoic acid, 1,4,5,6-tetrahydro-pyrimidin-2-yl-benzoic acid or 4,5,6,7-tetrahydro-1H-[1,3]diazepin-2-yl-benzoic acid; n is 0-4 and their pharmaceutically acceptable salts

  该发明涉及以下式的化合物： 其中 R1是一个含有1至3个杂原子（N、O或S）的5或6元杂芳基团，该基团可以选择性地被一个或两个取代基取代，这些取代基可以是较低的烷基、—(CH2)nOH、卤素或较低的烷氧基，其中这些杂芳基团可以选择性地通过烷基或烯基基团与吡唑环连接，或者是苯基，可以选择性地被一个或两个取代基取代，这些取代基可以是较低的烷基、羟基较低烷基、卤素、羟基或较低的烷氧基，或者是—O(CH2)n、苯基、苯并呋喃基、吲哚基或苯并噻吩基，或者是—S-较低烷基； R2和R4彼此独立地是氢、氰基或—S(O)2-苯基； R3是氢、卤素或者是一个含有1至3个杂原子（N、O或S）的5或6元杂芳基团，该基团可以选择性地被一个或两个取代基取代，这些取代基可以是较低的烷基、—(CH2)n-芳基、羟基、卤素、较低的烷氧基、吗啉基、氨基、较低的烷基氨基或—C(O)NR′2，其中R′是较低的烷基或氢，或者是苯基，可以选择性地被一个或两个取代基取代，这些取代基可以是卤素、较低的烷基、较低的烷氧基、氨基、二较低烷基氨基、三氟甲基、—OCF3、—NHC(O)较低烷基、氰基、—C(O)-较低烷基、—C(O)O-较低烷基、—S-较低烷基、—S(O)2NH-苯基、—S(O)2-甲基哌嗪基；或者是—NR′R″，其中R′和R″彼此独立地是氢、—(CH2)n苯基，该苯环可以选择性地被卤素或较低的烷氧基取代，—CH(较低烷基)-苯基、茚基、1,2,3,4-四氢萘基，或环烷基；或者是—O-苯基，该苯环可以选择性地被卤素、较低的烷基或较低的烷氧基取代，—O-四氢萘基或—O—CH2-6-甲基吡啶-2-基；或者是-苯并[1,3]二噁咯基、-1H-吲哚-5-基、萘基、苯并呋喃-2-基、1,3,4,9-四氢-β-咔啉-2-基、哌啶-1-基、吡咯烷-1-基、哌嗪-4-基-甲基或吗啉基； R5是—NR2，其中R可以相同也可以不同，是氢、较低的烷基、苯基、苄基、—CO-较低烷基、—CO-较低烷氧基、-较低烯基、—CO(CH2)n-苯基或—COO(CH2)n-苯基，其中苯环可以选择性地被三氟甲基、较低的烷氧基、卤素或较低的烷基取代，—CO(CH2)3-NHCO-较低烷氧基、—(CH2)n-苯基，其中苯环可以选择性地被较低的烷氧基、三氟甲基或卤素取代，或者是4,5-二氢-1H-咪唑-2-基-苯甲酸、1,4,5,6-四氢-嘧啶-2-基-苯甲酸或4,5,6,7-四氢-1H-[1,3]二氮杂环己-2-基-苯甲酸； n为0-4 及其药学上可接受的盐
• Heterobicyclic pyrazole compounds and methods of use
  申请人：Blake F. James

  公开号：US20070238726A1

  公开（公告）日：2007-10-11

  Compounds of Formulas Ia and Ib, and stereoisomers, geometric isomers, tautomers, solvates, metabolites and pharmaceutically acceptable salts thereof, are useful for inhibiting receptor tyrosine kinases and for treating disorders mediated thereby. Methods of using compounds of Formula Ia and Ib, and stereoisomers, geometric isomers, tautomers, solvates and pharmaceutically acceptable salts thereof, for in vitro, in situ, and in vivo diagnosis, prevention or treatment of such disorders in mammalian cells, or associated pathological conditions are disclosed.

  化合物Ia和Ib的结构，以及其立体异构体、几何异构体、互变异构体、溶剂合物、代谢物和药学上可接受的盐，可用于抑制受体酪氨酸激酶并治疗由此介导的疾病。公开了使用化合物Ia和Ib的结构，以及其立体异构体、几何异构体、互变异构体、溶剂合物和药学上可接受的盐的方法，用于体外、体内和体内诊断、预防或治疗哺乳动物细胞中的这类疾病，或相关的病理条件。
• CHEMICAL COMPOUNDS
  申请人：Deng Jianghe

  公开号：US20090143372A1

  公开（公告）日：2009-06-04

  The invention is directed to novel indole carboxamide derivatives. Specifically, the invention is directed to compounds according to formula I: where R1, R2, R3, U and V are defined below and to pharmaceutically acceptable salts thereof. The compounds of the invention are inhibitors of IKK2 and can be useful in the treatment of disorders associated with inappropriate IKK2 (also known as IKKβ) activity, such as rheumatoid arthritis, asthma, and COPD (chronic obstructive pulmonary disease). Accordingly, the invention is further directed to pharmaceutical compositions comprising a compound of the invention. The invention is still further directed to methods of inhibiting IKK2 activity and treatment of disorders associated therewith using a compound of the invention or a pharmaceutical composition comprising a compound of the invention.

  这项发明涉及新型吲哚羧酰胺衍生物。具体而言，该发明涉及符合以下式I的化合物： 其中R1、R2、R3、U和V如下定义，并且其药学上可接受的盐。该发明的化合物是IKK2的抑制剂，可用于治疗与不当IKK2（也称为IKKβ）活性相关的疾病，如类风湿性关节炎、哮喘和慢性阻塞性肺病（COPD）。因此，该发明进一步涉及包含该发明化合物的药物组合物。该发明还进一步涉及使用该发明化合物或包含该发明化合物的药物组合物抑制IKK2活性和治疗相关疾病的方法。
• [EN] HETEROARYL COMPOUNDS USEFUL AS INHIBITORS OF SUMO ACTIVATING ENZYME<br/>[FR] COMPOSÉS HÉTÉROARYLE UTILES EN TANT QU'INHIBITEURS DE L'ENZYME D'ACTIVATION SUMO
  申请人：DUFFEY MATTHEW O

  公开号：WO2016004136A1

  公开（公告）日：2016-01-07

  Disclosed are chemical entities which are compounds of formula (I); or pharmaceutically acceptable salts thereof; wherein Y, Ra, Ra', Rb, Rc, X1, X2, X3, Rd, Z1, and Z2 have the values described herein and stereochemical configurations depicted at asterisked positions indicate absolute stereochemistry. Chemical entities according to the disclosure can be useful as inhibitors of Sumo Activating Enzyme (SAE). Further provided are pharmaceutical compositions comprising a compound of the disclosure and methods of using the compositions in the treatment of proliferative, inflammatory, cardiovascular, and neurodegenerative diseases or disorders.

  公开了公式(I)的化合物或其药物可接受的盐； 其中Y、Ra、Ra'、Rb、Rc、X1、X2、X3、Rd、Z1和Z2具有本文所述的值，并且星号位置表示的立体化学配置指示绝对立体化学。 根据本公开的化学实体可用作Sumo激活酶（SAE）的抑制剂。 进一步提供了包含本公开化合物的药物组合物以及使用该组合物治疗增殖性、炎症性、心血管和神经退行性疾病或病症的方法。
• 3,4-Di-substituted cyclobutene-1,2-diones as CXC-chemokine receptor ligands
  申请人：Schering Corporation

  公开号：US20040106794A1

  公开（公告）日：2004-06-03

  There are disclosed compounds of the formula 1 or a pharmaceutically acceptable salt or solvate thereof which are useful for the treatment of chemokine-mediated diseases such as acute and chronic inflammatory disorders and cancer.

  这里公开了用于治疗诸如急性和慢性炎症性疾病以及癌症的趋化因子介导疾病的公式1化合物或其药用可接受的盐或溶剂。