2,4-二氟-6-羟基苯甲醛 | 136516-64-8

• 物质功能分类: 有机原料 - 醛类化合物
• 分子结构分类: 有机化合物 - 有机氧化合物
• 中文名称: 2,4-二氟-6-羟基苯甲醛
• 中文别名: 4,6-二氟水杨醛；4,5-二氟水杨醛
• 英文名称: 2,4-difluoro-6-hydroxy-benzaldehyde
• 英文别名: 2,4-Difluoro-6-hydroxybenzaldehyde
• CAS: 136516-64-8
• 化学式: C₇H₄F₂O₂
• 分子量: 158.104
• InChiKey: MIHBQNSVCKHGOA-UHFFFAOYSA-N

物化性质

• 熔点：
  32℃
• 沸点：
  207.6±35.0 °C(Predicted)
• 密度：
  1.464±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.8
• 重原子数：
  11
• 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：
  37.3
• 氢给体数：
  1
• 氢受体数：
  4

安全信息

• 危险品标志：
  Xi
• 海关编码：
  2913000090
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H302,H315,H319,H335
• 储存条件：
  存放在惰性气体中，温度控制在2至8℃之间。

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 2,4-Difluoro-6-hydroxybenzaldehyde
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: 2,4-Difluoro-6-hydroxybenzaldehyde
CAS number: 136516-64-8

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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: C7H4F2O2
Molecular weight: 158.1

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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, 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

反应信息

• 作为反应物：
  描述：

  2,4-二氟-6-羟基苯甲醛 在 盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 、 N,N-二异丙基乙胺 、 三氟乙酸 作用下， 以 二甲基亚砜 、 N,N-二甲基甲酰胺 为溶剂， 反应 3.25h， 生成 3-(3,5-difluorophenyl)-5-fluoro-7-(piperazin-1-yl)-2H-chromen-2-one
  参考文献：
  名称：

  Compounds for treating spinal muscular atrophy

  摘要：

  本文提供了用于治疗脊髓性肌萎缩症的化合物、其组合物和使用方法。在一个具体实施例中，本文提供了一种形式的化合物，可用于调节从SMN2基因转录的mRNA中SMN2的外显子7的包含。在另一个具体实施例中，本文提供了一种形式的化合物，可用于调节从SMN1基因转录的mRNA中SMN1的外显子7的包含。在另一个实施例中，本文提供了一种形式的化合物，可用于调节从SMN1和SMN2基因分别转录的mRNA中SMN1和SMN2的外显子7的包含。

  公开号：

  US09617268B2
• 作为产物：
  描述：

  (3,5-difluorophenyl) N-isopropylcarbamate 在 正丁基锂 、 四甲基乙二胺 作用下， 以 乙醚 、 正戊烷 为溶剂， 反应 4.5h， 生成 2,4-二氟-6-羟基苯甲醛
  参考文献：
  名称：

  Efficient Two-Step Synthesis of Salicylaldehydes via Directed ortho-Lithiation of in situ N-Silylated O-Aryl N-Isopropylcarbamates

  摘要：

  由苯酚和异氰酸异丙酯方便制备的 O-芳基 N-异丙基氨基甲酸酯，通过高效的原位硫化工艺，可在一次反应中以高产率制备出相应的水杨醛。

  DOI：

  10.1055/s-2006-926461

文献信息

• Pyrazolopyrimidine Macrocycles as Inhibitors of Human Immunodeficiency Virus Replication
  申请人：BRISTOL-MYERS SQUIBB COMPANY

  公开号：US20150232481A1

  公开（公告）日：2015-08-20

  The disclosure generally relates to compounds of formula I, including compositions and methods for treating human immunodeficiency virus (HIV) infection. The disclosure provides novel inhibitors of HIV, pharmaceutical compositions containing such compounds, and methods for making and using these compounds in the treatment of HIV infection.

  该披露通常涉及到I式化合物，包括用于治疗人类免疫缺陷病毒（HIV）感染的组合物和方法。该披露提供了HIV的新型抑制剂，含有这些化合物的药物组合物，以及在治疗HIV感染中制备和使用这些化合物的方法。
• Ligand‐Enabled β‐Methylene C(sp ³ )−H Arylation of Masked Aliphatic Alcohols
  作者：Guoqin Xia、Zhe Zhuang、Luo‐Yan Liu、Stuart L. Schreiber、Bruno Melillo、Jin‐Quan Yu

  DOI：10.1002/anie.202000632

  日期：2020.5.11

  salicylic-aldehyde-derived L,X-type directing group with an electron-deficient 2-pyridone ligand to enable the β-methylene C(sp3 )-H arylation of aliphatic alcohols, which has not been possible previously. Notably, this protocol is compatible with heterocycles embedded in both alcohol substrates and aryl coupling partners. A site- and stereo-specific annulation of dihydrocholesterol and the synthesis of a key

  尽管有最新进展，但是反应性和位点选择性仍然是C（sp3）-H键官能化方法实际应用的重大障碍。在这里，我们描述了一个系统，该系统将水杨醛衍生的L，X型导向基团与缺电子的2-吡啶酮配体结合在一起，以使脂肪族醇的β-亚甲基C（sp3）-H芳基化以前有可能。值得注意的是，该方案与嵌入在醇底物和芳基偶联伙伴中的杂环兼容。二氢胆固醇的位点和立体特异性环合以及恩格列酮的关键中间体的合成说明了该方法的实用性。
• [EN] CARBOXAMIDES AS UBIQUITIN-SPECIFIC PROTEASE INHIBITORS<br/>[FR] CARBOXAMIDES UTILISÉES EN TANT QU'INHIBITEURS DE PROTÉASE SPÉCIFIQUE DE L'UBIQUITINE
  申请人：FORMA THERAPEUTICS INC

  公开号：WO2019032863A1

  公开（公告）日：2019-02-14

  The present disclosure relates to modulators, such as inhibitors, of at least one pathway chosen from USP28 and USP25, pharmaceutical compositions comprising the inhibitors, and methods of using the inhibitors. The modulators, such as inhibitors, of at least one pathway chosen from USP28 and USP25 can be useful in the treatment of cancers, among other ailments.

  本公开涉及调节剂，如抑制剂，至少选择自USP28和USP25中的一条途径的药物组合物包括这些抑制剂，以及使用这些抑制剂的方法。这些调节剂，如抑制剂，至少选择自USP28和USP25中的一条途径，可用于治疗癌症等疾病。
• [EN] AMINO-HETEROCYCLES AS VR-1 ANTAGONISTS FOR TREATING PAIN<br/>[FR] HETEROCYCLES AMINES EN TANT QU'ANTAGONISTES DU RECEPTEUR VANILLOIDE (VR-1) POUR LE TRAITEMENT DE LA DOULEUR
  申请人：MERCK SHARP & DOHME

  公开号：WO2004046133A1

  公开（公告）日：2004-06-03

  the present invention provides a compound of formula (I): wherein V represents NR5, O, S, SO or S(O)2; W and X each independently represent CH or N; Y represents N, CH or C-Ar2, with the proviso that at least one, but no more than two, of W, X and Y are N; Z represents CH or C-Ar2, with the proviso that when Y is N or CH then Z is C-Ar2, and with the further proviso that when Y is C-Ar2 then Z is CH; Ar1 represents a fused 9 or 10 membered heterobicyclic ring system containing one, two, three or four heteroatoms selected from nitrogen, oxygen and sulfur, wherein at least one of the rings in said ring system is aromatic; Ar2 represents an aromatic ring selected from phenyl, pyridyl, pyrimidinyl and pyridazinyl which is optionally fused and substituted; R1 represents halogen, hydroxy, oxo, C1-6alkyl, C2-6alkenyl, C2-6alkynyl, haloC1-6alkyl, hydroxyC1-6alkyl, C1-6alkoxy, haloC1-6alkoxy, hydroxyC1-6alkoxy, C3-7cycloalkyl, C3-7cycloalkoxy, C3-5cycloalkylC1-4alkyl, cyano, nitro, SR6, SOR6, SO2R6, COR6, NR3COR6, CONR3R4, NR3SO2R6, SO2NR3R4, -(CH2)mcarboxy, esterified -(CH2)mcarboxy or -(CH2)mNR3R4; R2 represents hydrogen, halogen, hydroxy, C1-6alkyl, haloC1-6alkyl, C3-7cycloalkyl, C1-6alkoxy, haloC1-6alkoxy, unsubstituted phenyl or phenyl substituted with one or two groups selected from halogen, C1-6alkyl, haloC1-6alkyl, C3-7cycloalkyl, C1-6alkoxy or haloC1-6alkoxy; R3 and R4 are each independently hydrogen, C1-6alkyl, C2-6alkenyl, C2-6alkynyl, C3-7cycloalkyl or fluoroC1-6alkyl; or R3 and R4 and the nitrogen atom to which they are attached together form a heteroaliphatic ring of 4 to 7 ring atoms, optionally substituted by one or two groups selected from hydroxy or C1-4alkoxy, which ring may optionally contain as one of the said ring atoms an oxygen or a sulfur atom, S(O), S(O)2, or NR5; R5 represents hydrogen, C1-4alkyl, hydroxyC1-4alkyl or C1-4alkoxyC1-4alkyl; R6 represents hydrogen, C1-6alkyl, fluoroC1-6alkyl, C3-7cycloalkyl, unsubstituted phenyl, or phenyl substituted with one or two groups selected from halogen, C1-6alkyl, haloC1-6alkyl, C3-7cycloalkyl, C1-6alkoxy or haloC1-6alkoxy; m is either zero or an integer from 1 to 4; n is either zero or an integer from 1 to 3; or a pharmaceutically acceptable salt, N-oxide or a prodrug thereof; a pharmaceutical composition comprising it; its use in methods of treatment; use of it for the manufacture of a medicament for treating VR-1 related conditions such as those in which pain and/or inflammation predominate; and methods of treatment using it.

  本发明提供了一种具有以下结构的化合物（I）：其中V代表NR5、O、S、SO或S(O)2；W和X分别独立地代表CH或N；Y代表N、CH或C-Ar2，但至少有一个但不超过两个W、X和Y为N；Z代表CH或C-Ar2，但当Y为N或CH时，则Z为C-Ar2，并进一步规定当Y为C-Ar2时，Z为CH；Ar1代表包含一个、两个、三个或四个从氮、氧和硫中选择的杂原子的融合的9或10成员杂双环系统，其中所述环系中的至少一个环是芳香的；Ar2代表选择自苯基、吡啶基、嘧啶基和吡啶嗪基的芳香环，可以是可选地融合和取代的；R1代表卤素、羟基、氧、C1-6烷基、C2-6烯基、C2-6炔基、卤代C1-6烷基、羟基C1-6烷基、C1-6烷氧基、卤代C1-6烷氧基、羟基C1-6烷氧基、C3-7环烷基、C3-7环烷氧基、C3-5环烷基C1-4烷基、氰基、硝基、SR6、SOR6、SO2R6、COR6、NR3COR6、CONR3R4、NR3SO2R6、SO2NR3R4、-(CH2)m羧基、酯化的-(CH2)m羧基或-(CH2)mNR3R4；R2代表氢、卤素、羟基、C1-6烷基、卤代C1-6烷基、C3-7环烷基、C1-6烷氧基、卤代C1-6烷氧基、未取代的苯基或苯基，其上取代有一个或两个从卤素、C1-6烷基、卤代C1-6烷基、C3-7环烷基、C1-6烷氧基或卤代C1-6烷氧基中选择的基团；R3和R4各自独立地代表氢、C1-6烷基、C2-6烯基、C2-6炔基、C3-7环烷基或氟代C1-6烷基；或R3和R4和它们连接的氮原子共同形成一个由4到7个环原子组成的杂原烷环，可选地取代为一个或两个从羟基或C1-4烷氧基中选择的基团，该环可能可选地包含作为所述环原子之一的氧或硫原子、S(O)、S(O)2或NR5；R5代表氢、C1-4烷基、羟基C1-4烷基或C1-4烷氧基C1-4烷基；R6代表氢、C1-6烷基、氟代C1-6烷基、C3-7环烷基、未取代的苯基或苯基，其上取代有一个或两个从卤素、C1-6烷基、卤代C1-6烷基、C3-7环烷基、C1-6烷氧基或卤代C1-6烷氧基中选择的基团；m为零或从1到4的整数；n为零或从1到3的整数；或其药学上可接受的盐、N-氧化物或前药；包含它的药物组合物；其在治疗方法中的用途；用于制造用于治疗VR-1相关病症的药物，例如疼痛和/或炎症占优势的病症的用途；以及使用它的治疗方法。
• Rhodium‐Catalyzed Asymmetric Hydrogenation of 3‐Benzoylaminocoumarins for the Synthesis of Chiral 3‐Amino Dihydrocoumarins
  作者：Yunnan Xu、Delong Liu、Yu Deng、Yi Zhou、Wanbin Zhang

  DOI：10.1002/anie.202110286

  日期：2021.10.25

  An asymmetric hydrogenation of 3-benzoylaminocoumarins was achieved for the first time using our BridgePhos-Rh catalytic system, providing chiral 3-amino dihydrocoumarins in high yields (up to 98 %) and with excellent enantioselectivities (up to 99.7 % ee). The relationship between the enantioselectivities of the hydrogenations and the dihedral angles and the resulting π-π stacking effects of the BridgePhos-Rh

  使用我们的 BridgePhos-Rh 催化系统首次实现了 3-苯甲酰氨基香豆素的不对称氢化，以高产率（高达 98%）和优异的对映选择性（高达 99.7% ee）提供手性 3-氨基二氢香豆素。讨论了氢化的对映选择性和二面角之间的关系以及由此产生的 BridgePhos-Rh 配合物的 π-π 堆叠效应，这些关系是通过 X 射线衍射分析确定的。相应的氢化产物可以进行多种转化，从而提供多种具有重要生理和药理活性的手性骨架。