5-硝基苯并呋喃-2-甲酸 | 10242-12-3

• 物质功能分类: 化学试剂 - 有机试剂 - 芳香酸
• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并呋喃
• 中文名称: 5-硝基苯并呋喃-2-甲酸
• 英文名称: 5-nitrobenzofuran-2-carboxylic acid
• 英文别名: 5-Nitro-1-benzofuran-2-carboxylic acid
• CAS: 10242-12-3
• 化学式: C₉H₅NO₅
• mdl: MFCD00060513
• 分子量: 207.142
• InChiKey: LZKWLHXJPIKJSJ-UHFFFAOYSA-N

物化性质

• 熔点：
  279-284 °C
• 沸点：
  414.0±25.0 °C(Predicted)
• 密度：
  1.584±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.2
• 重原子数：
  15
• 可旋转键数：
  1
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  96.3
• 氢给体数：
  1
• 氢受体数：
  5

安全信息

• 危险等级：
  IRRITANT
• 危险品标志：
  Xi
• 安全说明：
  S26,S36/37/39
• 危险类别码：
  R36/37/38
• WGK Germany：
  3
• 海关编码：
  2932999099
• 危险标志：
  GHS07
• 危险性描述：
  H302,H319
• 危险性防范说明：
  P305 + P351 + P338
• 储存条件：
  室温

SDS

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Section 1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE
Product identifiers
Product name : 5-Nitrobenzofuran-2-carboxylic acid
CAS-No. : 10242-12-3
Relevant identified uses of the substance or mixture and uses advised against
Identified uses : Laboratory chemicals, Manufacture of substances

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Section 2. HAZARDS IDENTIFICATION
Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008 [EU-GHS/CLP]
Acute toxicity, Oral (Category 4)
Eye irritation (Category 2)
Classification according to EU Directives 67/548/EEC or 1999/45/EC
Harmful if swallowed. Irritating to eyes.
Label elements
Labelling according Regulation (EC) No 1272/2008 [CLP]
Pictogram
Signal word Warning
Hazard statement(s)
H302 Harmful if swallowed.
H319 Causes serious eye irritation.
Precautionary statement(s)
P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove
contact lenses, if present and easy to do. Continue rinsing.
Supplemental Hazard none
Statements
According to European Directive 67/548/EEC as amended.
Hazard symbol(s)
R-phrase(s)
R22 Harmful if swallowed.
R36 Irritating to eyes.
S-phrase(s)
S26 In case of contact with eyes, rinse immediately with plenty of water and
seek medical advice.
Other hazards - none

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Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
Substances
Formula : C9H5NO5
Molecular Weight : 207,14 g/mol
Component Concentration
5-Nitrobenzofuran-2-carboxylic acid
CAS-No. 10242-12-3 -

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Section 4. FIRST AID MEASURES
Description of first aid measures
General advice
Consult a physician. Show this safety data sheet to the doctor in attendance.
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
In case of skin contact
Wash off with soap and plenty of water. Consult a physician.
In case of eye contact
Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
Most important symptoms and effects, both acute and delayed
To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly
investigated.
Indication of any immediate medical attention and special treatment needed
no data available

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Section 5. FIRE-FIGHTING MEASURES
Extinguishing media
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture
no data available
Advice for firefighters
Wear self contained breathing apparatus for fire fighting if necessary.
Further information
no data available

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Section 6. ACCIDENTAL RELEASE MEASURES
Personal precautions, protective equipment and emergency procedures
Use personal protective equipment. Avoid dust formation. Avoid breathing vapors, mist or gas. Ensure
adequate ventilation. Avoid breathing dust.
Environmental precautions
Do not let product enter drains.
Methods and materials for containment and cleaning up
Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed
containers for disposal.
Reference to other sections
For disposal see section 13.

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Section 7. HANDLING AND STORAGE
Precautions for safe handling
Avoid contact with skin and eyes. Avoid formation of dust and aerosols.
Provide appropriate exhaust ventilation at places where dust is formed.
Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Specific end uses
no data available

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Section 8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Control parameters
Components with workplace control parameters
Exposure controls
Appropriate engineering controls
Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at
the end of workday.
Personal protective equipment
Eye/face protection
Safety glasses with side-shields conforming to EN166 Use equipment for eye protection tested and
approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
Skin protection
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
(without touching glove's outer surface) to avoid skin contact with this product. Dispose of
contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands.
The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the
standard EN 374 derived from it.
Body Protection
Complete suit protecting against chemicals, The type of protective equipment must be selected
according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection
For nuisance exposures use type P95 (US) or type P1 (EU EN 143) particle respirator.For higher
level protection use type OV/AG/P99 (US) or type ABEK-P2 (EU EN 143) respirator cartridges. Use
respirators and components tested and approved under appropriate government standards such as
NIOSH (US) or CEN (EU).

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Section 9. PHYSICAL AND CHEMICAL PROPERTIES
Information on basic physical and chemical properties
a) Appearance Form: solid
b) Odour no data available
c) Odour Threshold no data available
d) pH no data available
e) Melting point/freezing Melting point/range: 279 - 284 °C
point
f) Initial boiling point and no data available
boiling range
g) Flash point no data available
h) Evaporation rate no data available
i) Flammability (solid, gas) no data available
j) Upper/lower no data available
flammability or
explosive limits
k) Vapour pressure no data available
l) Vapour density 7,15 - (Air = 1.0)
m) Relative density no data available
n) Water solubility no data available
o) Partition coefficient: n- no data available
octanol/water
p) Autoignition no data available
temperature
q) Decomposition no data available
temperature
r) Viscosity no data available
s) Explosive properties no data available
t) Oxidizing properties no data available
Other safety information
no data available

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Section 10. STABILITY AND REACTIVITY
Reactivity
no data available
Chemical stability
no data available
Possibility of hazardous reactions
no data available
Conditions to avoid
no data available
Incompatible materials
Strong oxidizing agents
Hazardous decomposition products
Other decomposition products - no data available

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Section 11. TOXICOLOGICAL INFORMATION
Information on toxicological effects
Acute toxicity
no data available
Skin corrosion/irritation
no data available
Serious eye damage/eye irritation
no data available
Respiratory or skin sensitization
no data available
Germ cell mutagenicity
no data available
Carcinogenicity
IARC: No component of this product present at levels greater than or equal to 0.1% is identified as
probable, possible or confirmed human carcinogen by IARC.
Reproductive toxicity
no data available
Specific target organ toxicity - single exposure
no data available
Specific target organ toxicity - repeated exposure
no data available
Aspiration hazard
no data available
Potential health effects
Inhalation May be harmful if inhaled. May cause respiratory tract irritation.
Ingestion Harmful if swallowed.
Skin May be harmful if absorbed through skin. May cause skin irritation.
Eyes Causes serious eye irritation.
Signs and Symptoms of Exposure
To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly
investigated.
Additional Information
RTECS: Not available

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Section 12. ECOLOGICAL INFORMATION
Toxicity
no data available
Persistence and degradability
no data available
Bioaccumulative potential
no data available
Mobility in soil
no data available
Results of PBT and vPvB assessment
no data available
Other adverse effects
no data available

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Section 13. DISPOSAL CONSIDERATIONS
Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company. Dissolve or mix the material
with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber.
Contaminated packaging
Dispose of as unused product.

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Section 14. TRANSPORT INFORMATION
UN number
ADR/RID: - IMDG: - IATA: -
UN proper shipping name
ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA: Not dangerous goods
Transport hazard class(es)
ADR/RID: - IMDG: - IATA: -
Packaging group
ADR/RID: - IMDG: - IATA: -
Environmental hazards
ADR/RID: no IMDG Marine pollutant: no IATA: no
Special precautions for user
no data available

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SECTION 15 - REGULATORY INFORMATION
N/A

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SECTION 16 - ADDITIONAL INFORMATION
N/A

制备方法与用途

5-硝基苯并呋喃-2-甲酸是一种重要中间体，既用于治疗重度抑郁症药物的合成，也是发光材料合成过程中的关键成分。

反应信息

• 作为反应物：
  描述：

  5-硝基苯并呋喃-2-甲酸 在 氯化亚砜 、 氨 、 氢溴酸 、 氢气 、 溶剂黄146 、 N,N-二异丙基乙胺 、 对羟基苯甲酸 作用下， 以 甲醇 、 二甲基亚砜 、 N,N-二甲基甲酰胺 、 甲苯 为溶剂， 10.0~120.0 ℃ 、600.01 kPa 条件下， 反应 57.5h， 生成 维拉佐酮
  参考文献：
  名称：

  POLYMORPHIC FORM OF 5-(4-[4-(5-CYANO-1H-INDOL-3-YL) BUTYL] PIPERAZIN-1-YL) BENZOFURAN-2-CARBOXAMIDE AND PROCESS FOR PREPARING THEREOF

  摘要：

  本发明提供了5-(4-[4-(5-氰基-1H-吲哚-3-基)丁基]哌嗪-1-基)苯并呋喃-2-羧酰胺的固态Z型。本发明还提供了一种制备5-(4-[4-(5-氰基-1H-吲哚-3-基)丁基]哌嗪-1-基)苯并呋喃-2-羧酰胺的Z型的方法，包括以下步骤：i) 在有机溶剂中，在碱的存在下，将5-(1-哌嗪基)苯并呋喃-2-羧酰胺或其盐的固态形式与3-(4-氯丁基)-1H-吲哚-5-羧腈反应，以获得粗制维拉唑酮游离碱；ii) 在有机溶剂中纯化步骤(i)中的粗制维拉唑酮游离碱；iii) 用有机溶剂处理步骤(ii)中的纯化维拉唑酮游离碱，以获得维拉唑酮的固态Z型。本发明还提供了一种包含维拉唑酮盐酸盐无定形形式的治疗有效量的药物组合物，以及使用维拉唑酮的固态Z型治疗重度抑郁症。

  公开号：

  US20140179713A1
• 作为产物：
  描述：

  2-甲酰苯氧乙酸 在 硫酸 、 硝酸 、 乙酸酐 作用下， 反应 8.25h， 生成 5-硝基苯并呋喃-2-甲酸
  参考文献：
  名称：

  [EN] PROCESS FOR THE PREPARATION OF 5-(4-[4-(5-CYANO-1 H-INDOL-3-YL)BUTYL]PIPERAZIN-1 -YL)BENZOFURAN-2-CARBOXAMIDE AND INTERMEDIATES THEREOF, POLYMORPHIC FORMS THEREOF
  [FR] FORME POLYMORPHE DU 5-(4-[4-(5-CYANO-1H-INDOL-3-YL)BUTYL]PIPÉRAZIN-1-YL)BENZOFURANE-2-CARBOXAMIDE

  摘要：

  公开号：

  WO2013175499A3
• 作为试剂：
  描述：

  乙酸酐 、 2-甲酰基-4-硝基苯氧基乙酸 、 sodium acetate 、 盐酸 在 水 、 甲苯 、 5-硝基苯并呋喃-2-甲酸 作用下， 以 水 、 甲苯 为溶剂， 反应 27.25h， 以to afford 5-nitrobenzofuran-2-carboxylic acid of Formula (C)的产率得到5-硝基苯并呋喃-2-甲酸
  参考文献：
  名称：

  POLYMORPHIC FORM OF 5-(4-[4-(5-CYANO-1H-INDOL-3-YL) BUTYL] PIPERAZIN-1-YL) BENZOFURAN-2-CARBOXAMIDE AND PROCESS FOR PREPARING THEREOF

  摘要：

  本发明提供了5-（4- [4-（5-氰基-1H-吲哚-3-基）丁基]哌嗪-1-基）苯并呋喃-2-羧酰胺的固态Z型。本发明还提供了制备5-（4- [4-（5-氰基-1H-吲哚-3-基）丁基]哌嗪-1-基）苯并呋喃-2-羧酰胺Z型的方法，包括以下步骤：i）反应5-（1-哌嗪基）苯并呋喃-2-羧酰胺或其盐的固态形式与3-（4-氯丁基）-1H-吲哚-5-碳腈有机溶剂在碱的存在下，以获得粗制维拉唑酮游离基；ii）在有机溶剂中纯化步骤（i）中的粗制维拉唑酮游离基；iii）用有机溶剂处理步骤（ii）中纯化的维拉唑酮游离基，以获得维拉唑酮的固态Z型。本发明还提供了一种包含治疗有效量无定形维拉唑酮盐的制药组合物，以及使用维拉唑酮的固态Z型治疗重度抑郁症的用途。

  公开号：

  US20140179713A1

文献信息

• 维拉佐酮中间体合成方法
  申请人：连云港恒运药业有限公司

  公开号：CN107540646B

  公开（公告）日：2020-12-01

  本发明涉及一种维拉佐酮中间体合成方法，以6‑硝基香豆素为起始原料原料，经开环、分子内关环、酯化、还原、哌嗪环制备等步骤，得到维拉佐酮关键中间体式Ⅰ化合物5‑(1‑哌嗪基)‑2‑苯并呋喃‑2‑羧酸乙酯。本发明合成路线简单，目标产物收率较高，适合工业化放大生产。
• Benzoxazepinones and their use as squalene synthase inhibitors
  申请人：——

  公开号：US20030078251A1

  公开（公告）日：2003-04-24

  There is disclosed a compound represented by the formula [I]: 1 wherein R 1 is optionally substituted 1-carboxyethyl group, optionally substituted alkyl-sulfonyl group, optionally substituted (carboxy-cycloalkyl)-alkyl group, —X 1 —X 2 —Ar—X 3 —X 4 —COOH (wherein X 1 and X 4 are a bond or alkylene group, X 2 and X 3 are a bond, —O—, —S—, Ar is divalent aromatic group etc.), R 2 is alkyl group optionally substituted with alkanoyloxy group and/or hydroxy group, R 3 is alkyl group, and W is halogen atom, etc., or a salt thereof. The compound has the cholesterol lowering activity and the triglyceride lowering activity and is useful for preventing and/or treating hyperlipidemia.

  披露了一种由公式[I]表示的化合物： 1 其中R 1 是可选地取代的1-羧乙基，可选地取代的烷基亚磺酰基，可选地取代的(羧基环烷基)-烷基，—X 1 —X 2 —Ar—X 3 —X 4 —COOH(其中X 1 和X 4 是键或亚烷基，X 2 和X 3 是键，—O—，—S—，Ar是二价芳香族等)，R 2 是可选地由酰氧基和/或羟基取代的烷基，R 3 是烷基，W是卤素原子等，或其盐。该化合物具有降低胆固醇活性和降低甘油三酯活性，用于预防或治疗高脂血症。
• Triamide-substituted heterobicyclic compounds
  申请人：Pfizer Inc.

  公开号：US20030187053A1

  公开（公告）日：2003-10-02

  The invention relates to triamide MTP/ApoB inhibitors of the formula 1 1 wherein R 1 -R 8 are as defined in the specification, as well as pharmaceutical compositions and uses thereof, and processes for preparing the compounds. The compounds of the invention are useful for the treatment of obesity and lipid disorders.

  本发明涉及三酰胺MTP/ApoB抑制剂，其化学公式为1，其中R1-R8如说明书所述，以及包含这些化合物的药物组合物及其用途，以及制备这些化合物的方法。本发明的化合物可用于治疗肥胖和脂质紊乱。
• Vanilloid receptor ligands and their use in treatments
  申请人：——

  公开号：US20030195201A1

  公开（公告）日：2003-10-16

  Compounds having the general structure 1 and compositions containing them, for the treatment of acute, inflammatory and neuropathic pain, dental pain, general headache, migraine, cluster headache, mixed-vascular and non-vascular syndromes, tension headache, general inflammation, arthritis, rheumatic diseases, osteoarthritis, inflammatory bowel disorders, inflammatory eye disorders, inflammatory or unstable bladder disorders, psoriasis, skin complaints with inflammatory components, chronic inflammatory conditions, inflammatory pain and associated hyperalgesia and allodynia, neuropathic pain and associated hyperalgesia and allodynia, diabetic neuropathy pain, causalgia, sympathetically maintained pain, deafferentation syndromes, asthma, epithelial tissue damage or dysfunction, herpes simplex, disturbances of visceral motility at respiratory, genitourinary, gastrointestinal or vascular regions, wounds, burns, allergic skin reactions, pruritis, vitiligo, general gastrointestinal disorders, gastric ulceration, duodenal ulcers, diarrhea, gastric lesions induced by necrotising agents, hair growth, vasomotor or allergic rhinitis, bronchial disorders or bladder disorders.

  具有一般结构1的化合物以及含有它们的组合物，用于治疗急性疼痛、炎症性和神经性疼痛、牙痛、普通头痛、偏头痛、丛集性头痛、混合性血管和非血管综合症、紧张性头痛、一般炎症、关节炎、风湿病、骨关节炎、炎症性肠病、炎症性眼病、炎症性或不稳定的膀胱病、银屑病、具有炎症成分的皮肤疾病、慢性炎症状况、炎症性疼痛及其相关的过度疼痛和异常疼痛、神经性疼痛及其相关的过度疼痛和异常疼痛、糖尿病性神经病疼痛、灼痛、交感神经维持的疼痛、去神经综合症、哮喘、上皮组织损伤或功能障碍、单纯疱疹、在呼吸、生殖泌尿、胃肠或血管区域的内脏运动障碍、伤口、烧伤、过敏性皮肤反应、瘙痒、白癜风、一般胃肠病、胃溃疡、十二指肠溃疡、腹泻、由坏死性剂引起的胃部病变、毛发生长、血管运动性或过敏性鼻炎、支气管障碍或膀胱障碍。
• The reduction of aromatic nitro groups on solid supports using sodium hydrosulfite (Na2S2O4)
  作者：Randall A Scheuerman、David Tumelty

  DOI：10.1016/s0040-4039(00)00959-x

  日期：2000.8

  An improved method for reducing aromatic nitro compounds on solid-phase supports using sodium hydrosulfite is presented. Conditions have been optimized to enable the use of this reagent for reductions on both polyethyleneglycol-polystyrene (PEG) resins and traditional polystyrene (PS) resins.

  提出了一种使用亚硫酸氢钠还原固相载体上芳族硝基化合物的改进方法。已对条件进行了优化，以使该试剂可用于还原聚乙二醇-聚苯乙烯（PEG）树脂和传统聚苯乙烯（PS）树脂。