5-氟吡啶-2-醛 | 31181-88-1

• 物质功能分类: 医药中间体 - 杂环化合物 - 吡啶类化合物
• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡啶及其衍生物
• 中文名称: 5-氟吡啶-2-醛
• 中文别名: 5-氟-2-甲酰吡啶；2-甲酰基-5-氟吡啶；5-氟吡啶-2-甲醛
• 英文名称: 5-fluoropicolinaldehyde
• 英文别名: 5-fluoropyridine-2-carbaldehyde；5-fluoro-2-formylpyridine；5-fluoropyridine-2-carboxaldehyde；5-fluoropyridine-2-aldehyde
• CAS: 31181-88-1
• 化学式: C₆H₄FNO
• 分子量: 125.102
• InChiKey: IACCXWQKIQUVFQ-UHFFFAOYSA-N

物化性质

• 沸点：
  174℃
• 密度：
  1.269
• 闪点：
  59℃

计算性质

• 辛醇/水分配系数(LogP)：
  0.7
• 重原子数：
  9
• 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
• 氢给体数：
  0
• 氢受体数：
  3

安全信息

• 危险品标志：
  Xi
• 危险类别码：
  R22
• 海关编码：
  2933399090
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H302,H315,H319,H335
• 储存条件：
  温度：2-8°C，惰性气体氛围

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 5-Fluoro-2-formylpyridine
Synonyms:

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Section 2. Hazards identification
Harmful by inhalation, in contact with skin, and if swallowed.

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Section 3. Composition/information on ingredients.
Ingredient name: 5-Fluoro-2-formylpyridine
CAS number: 31181-88-1

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Section 4. First aid measures
Skin contact: Immediately wash skin with copious amounts of water for at least 15 minutes while removing
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.
Ingestion: Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.

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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, refrigerated.
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
Appearance: Not specified
Boiling point: No data
No data
Melting point:
Flash point: No data
Density: No data
Molecular formula: C6H4FNO
Molecular weight: 125.1

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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, nitrogen oxides, hydrogen fluoride.

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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

用途

5-氟吡啶-2-醛是一种具有多种化学反应活性的吡啶衍生物，可以参与芳香亲核取代、缩合和加成等化学反应。主要用作有机合成中间体和医药化学原料。

理化性质

5-氟吡啶-2-醛结构中含有一个醛基单元和一个氟原子，表现出较高的化学反应活性。研究表明，该化合物中的醛基单元可以与有机胺类物质发生缩合反应生成相应的亚胺结构；在常见的还原剂作用下，则可转化为吡啶苄醇类衍生物。

应用

5-氟吡啶-2-醛具有丰富的化学反应性，在有机合成和医药领域有广泛应用。例如，该化合物可用于制备吡啶类抗疟疾药物等化合物。

反应信息

• 作为反应物：
  描述：

  5-氟吡啶-2-醛 在 sodium tetrahydroborate 、 乙醇 、 盐酸羟胺 、 nickel dichloride 作用下， 以 乙腈 为溶剂， 反应 3.67h， 生成 (5-氟吡啶-2-基)甲胺
  参考文献：
  名称：

  [EN] HETEROAROMATIC DERIVATIVES AND PHARMACEUTICAL APPLICATIONS THEREOF
  [FR] DÉRIVÉS HÉTÉROAROMATIQUES ET LEURS APPLICATIONS PHARMACEUTIQUES

  摘要：

  本文提供了新颖的杂环芳烃衍生物，或其立体异构体、几何异构体、互变异构体、N-氧化物、水合物、溶剂合物、前药、药用盐或其前药，以及含有这些化合物的药物组合物。本文还提供了这些化合物或药物组合物在制造用于治疗呼吸道疾病，特别是慢性阻塞性肺病（COPD）的药物中的用途。

  公开号：

  WO2015161830A1
• 作为产物：
  描述：

  5-氟吡啶-2-甲酸甲酯 在 二异丁基氢化铝 、 戴斯-马丁氧化剂 作用下， 以 二氯甲烷 为溶剂， 反应 2.0h， 生成 5-氟吡啶-2-醛
  参考文献：
  名称：

  [EN] NOVEL OXALYL PIPERAZINES ACTIVE AGAINST THE HEPATITIS B VIRUS (HBV)
  [FR] NOUVELLES OXALYL PIPÉRAZINES ACTIVES CONTRE LE VIRUS DE L'HÉPATITE B (VHB)

  摘要：

  本发明一般涉及新型抗病毒药剂。具体地，本发明涉及能够抑制乙型肝炎病毒（HBV）编码的蛋白质或干扰HBV复制周期功能的化合物，包含这种化合物的组合物，抑制HBV病毒复制的方法，治疗或预防HBV感染的方法，以及制备这些化合物的工艺和中间体。

  公开号：

  WO2020221811A1

文献信息

• SUBSTITUTED ISOXAZOLES
  申请人：Buettelmann Bernd

  公开号：US20100256127A1

  公开（公告）日：2010-10-07

  The present invention is concerned with novel hydroxy-methyl isoxazole derivatives of formula I wherein R 1 , R 2 and R 3 are as described herein, as well as pharmaceutically acceptable salts and esters thereof. The active compounds of the present invention have affinity and selectivity for GABA A α5 receptor. Further the present invention is concerned with the manufacture of the active compounds of formula I, pharmaceutical compositions containing them and their use as pharmaceuticals.

  本发明涉及一种新型的羟甲基异噁唑衍生物，其化学式为I，其中R1、R2和R3如本文所述，以及其药学上可接受的盐和酯。本发明的活性化合物具有对GABA A α5受体的亲和力和选择性。此外，本发明涉及制备化学式I的活性化合物、含有它们的药物组合物以及它们作为药物的用途。
• [EN] ISOXAZOLE DERIVATIVES<br/>[FR] DÉRIVÉS D'ISOXAZOLE
  申请人：HOFFMANN LA ROCHE

  公开号：WO2010125042A1

  公开（公告）日：2010-11-04

  The present invention is concerned with novel isoxazole derivatives of formula (I), wherein X, R1, R2, R3, R4 and R5 are as described herein, as well as pharmaceutically acceptable salts and esters thereof. The active compounds of the present invention have affinity and selectivity for GABA A α5 receptor. Further the present invention is concerned with the manufacture of the active compounds of formula I, pharmaceutical compositions containing them and their use as medicaments.

  本发明涉及式(I)的新异噁唑衍生物，其中X、R1、R2、R3、R4和R5如本文所述，以及其药学上可接受的盐和酯。本发明的活性化合物具有对GABA A α5受体的亲和力和选择性。此外，本发明涉及制备式I的活性化合物、含有它们的药物组合物以及它们作为药物的用途。
• [EN] ISOXAZOLE-THIAZOLE DERIVATIVES AS GABA A RECEPTOR INVERSE AGONISTS FOR USE IN THE TREATMENT OF COGNITIVE DISORDERS<br/>[FR] DÉRIVÉS D'ISOXAZOLE-THIAZOLE COMME AGONISTES INVERSES DU RÉCEPTEUR GABA A, UTILES DANS LE TRAITEMENT DE TROUBLES COGNITIFS
  申请人：HOFFMANN LA ROCHE

  公开号：WO2010127974A1

  公开（公告）日：2010-11-11

  The present invention is concerned with isoxazole-thiazole derivatives of formula I, having affinity and selectivity for GABA A α5 receptor, their manufacture, pharmaceutical compositions containing them and their use as therapeutically active substances. The active compounds of the present invention are useful as cognitive enhancer or for the therapeutic and/or prophylactic treatment of cognitive disorders like Alzheimer's disease.

  本发明涉及式I的异恶唑-噻唑衍生物，具有对GABA A α5受体的亲和力和选择性，其制备、含有它们的药物组合物以及它们作为治疗活性物质的用途。本发明的活性化合物可用作认知增强剂或用于治疗和/或预防认知障碍，如阿尔茨海默病。
• [EN] HERBICIDALLY ACTIVE HETEROARYL-S?BSTIT?TED CYCLIC DIONES OR DERIVATIVES THEREOF<br/>[FR] DIONES CYCLIQUES SUBSTITUÉES PAR HÉTÉROARYLE À ACTIVITÉ HERBICIDE OU DÉRIVÉS DE CELLES-CI
  申请人：SYNGENTA LTD

  公开号：WO2011012862A1

  公开（公告）日：2011-02-03

  The invention relates to a compound of formula (I), which is suitable for use as a herbicide wherein G is hydrogen or an agriculturally acceptable metal, sulfonium, ammonium or latentiating group; Q is a unsubstituted or substituted C3-C8 saturated or mono-unsaturated heterocyclyl containing at least one heteroatom selected from O, N and S, or Q is heteroaryl or substituted heteroaryl; m is 1, 2 or 3; and Het is an optionally substituted monocyclic or bicyclic heteroaromatic ring; and wherein the compound is optionally an agronomically acceptable salt thereof.

  该发明涉及一种化合物，其化学式为(I)，适用作为除草剂，其中G为氢或农业可接受的金属、磺酸盐、铵盐或潜伏基团；Q为未取代或取代的含有至少一个来自O、N和S的杂原子的饱和或单不饱和的C3-C8杂环烷基，或Q为杂芳基或取代的杂芳基；m为1、2或3；Het为可选择地取代的单环或双环杂芳环；且该化合物可选择地为其农学上可接受的盐。
• 三唑并哒嗪类衍生物、其制备方法、药物组合物和用途
  申请人：上海赛默罗生物科技有限公司

  公开号：CN112979655A

  公开（公告）日：2021-06-18

  本发明涉及三唑并哒嗪类衍生物、其制备方法、药物组合物和用途。本发明提供一种通式(I)所示的化合物、其顺反异构体、其对映异构体、其非对映异构体、其外消旋体、其溶剂合物、其水合物或其药学上可以接受的盐或其前体药物，其制备方法，含有该化合物的药物组合物以及所述化合物作为α5‑GABAA受体调节剂的用途，其中R1，R2和Z如说明书中所定义。