2-氯-3,4-二氟苯甲酸 | 150444-93-2

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 中文名称: 2-氯-3,4-二氟苯甲酸
• 英文名称: 2-chloro-3,4-difluorobenzoic acid
• CAS: 150444-93-2
• 化学式: C₇H₃ClF₂O₂
• 分子量: 192.549
• InChiKey: OXEOUORGNJUNFN-UHFFFAOYSA-N

物化性质

• 沸点：
  277.9±35.0 °C(Predicted)
• 密度：
  1.573±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.3
• 重原子数：
  12
• 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

• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H315,H319,H335
• 储存条件：
  室温下应存放在干燥且密封的容器中。

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 2-Chloro-3,4-difluorobenzoic acid
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-Chloro-3,4-difluorobenzoic acid
CAS number: 150444-93-2

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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.
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: C7H3ClF2O2
Molecular weight: 192.5

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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 chloride, 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-氯-3,4-二氟苯甲酸 在 二异丁基氢化铝 、 1-羟基苯并三唑 、 对甲苯磺酸 、 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 作用下， 以 四氢呋喃 、 N,N-二甲基甲酰胺 、 甲苯 为溶剂， 反应 31.17h， 生成 methyl 4-(2-chloro-3,4-difluorophenyl)-6-(4,5,6,7-tetrahydro-1H-indazol-5-yl)-2-(thiazol-2-yl)-1,4-dihydropyrimidine-5-carboxylate
  参考文献：
  名称：

  [EN] DIHYDROPYRIMIDINE DERIVATIVES AND USES THEREOF IN THE TREATMENT OF HBV INFECTION OR OF HBV-INDUCED DISEASES
  [FR] DÉRIVÉS DE DIHYDROPYRIMIDINE ET LEURS UTILISATIONS DANS LE TRAITEMENT D'UNE INFECTION PAR LE VIRUS DE L'HÉPATITE B OU DE MALADIES INDUITES PAR LE VIRUS DE L'HÉPATITE B

  摘要：

  本文提供了一种二氢嘧啶衍生物，可用于治疗乙型肝炎感染或由乙型肝炎引起的疾病，以及其药用或医学应用。

  公开号：

  WO2019214610A1
• 作为产物：
  描述：

  3,4-二氟苯甲酸 在 四甲基乙二胺 、 仲丁基锂 、 六氯乙烷 作用下， 以 四氢呋喃 、 正己烷 为溶剂， 反应 3.0h， 以45%的产率得到2-氯-3,4-二氟苯甲酸
  参考文献：
  名称：

  [EN] DIHYDROPYRIMIDINE DERIVATIVES AND USES THEREOF IN THE TREATMENT OF HBV INFECTION OR OF HBV-INDUCED DISEASES
  [FR] DÉRIVÉS DE DIHYDROPYRIMIDINE ET LEURS UTILISATIONS DANS LE TRAITEMENT D'UNE INFECTION PAR LE VIRUS DE L'HÉPATITE B OU DE MALADIES INDUITES PAR LE VIRUS DE L'HÉPATITE B

  摘要：

  本文提供了一种二氢嘧啶衍生物，可用于治疗乙型肝炎感染或由乙型肝炎引起的疾病，以及其药用或医学应用。

  公开号：

  WO2019214610A1

文献信息

• AMINO ACID COMPOUNDS AND METHODS OF USE
  申请人：Pliant Therapeutics, Inc.

  公开号：US20200109141A1

  公开（公告）日：2020-04-09

  The invention relates to compounds of formula (I): or a salt thereof, wherein R 1 , G, L 1 , L 2 , L 3 , and Y are as described herein. Compounds of formula (I) and pharmaceutical compositions thereof are inhibitors of one, or both of, αvβ 1 integrin and αvβ 6 integrin that are useful for treating fibrosis such as in nonalcoholic steatohepatitis (NASH), idiopathic pulmonary fibrosis (IPF) and nonspecific interstitial pneumonia (NSIP).

  本发明涉及如下公式(I)的化合物： 或其盐，其中R1、G、L1、L2、L3和Y如本文所述。公式(I)的化合物及其药物组合物是αvβ1整合素和/或αvβ6整合素的一种或两种的抑制剂，用于治疗纤维化，如非酒精性脂肪肝炎（NASH）、特发性肺纤维化（IPF）和非特异性间质性肺炎（NSIP）。
• Novel Receptor Antagonists and Their Methods of Use
  申请人：Chambers J. Laura

  公开号：US20080009541A1

  公开（公告）日：2008-01-10

  The present invention relates to novel oxo-prolinamide derivatives of formula (I) which modulate P2X7 receptor function and are capable of antagonizing the effects of ATP at the P2X7 receptor and the use of such compounds or pharmaceutical compositions thereof in the treatment of disorders mediated by the P2X7 receptor, for example pain, inflammation and neurodegeneration.

  本发明涉及一种新型的氧代脯氨酰胺衍生物，其化学式为（I），可以调节P2X7受体功能，并能够拮抗P2X7受体上ATP的作用，以及利用这些化合物或其药物组合物治疗由P2X7受体介导的疾病，例如疼痛、炎症和神经退行性疾病。
• [EN] HETEROARYLDIHYDROPYRIMIDINE DERIVATIVES AND METHODS OF TREATING HEPATITIS B INFECTIONS<br/>[FR] DÉRIVÉS HÉTÉROARYLDIHYDROPYRIMIDINE ET MÉTHODES DE TRAITEMENT D'INFECTIONS PAR LE VIRUS DE L'HÉPATITE B
  申请人：JANSSEN PHARMACEUTICA NV

  公开号：WO2019001420A1

  公开（公告）日：2019-01-03

  Provided herein are compounds useful for the treatment of HBV infection in a subject in need thereof, pharmaceutical compositions thereof, and methods of inhibiting, suppressing, or preventing HBV infection in the subject.

  本文提供了一些用于治疗HBV感染的化合物，以及其药物组合物和抑制、抑制或预防受试者HBV感染的方法。
• [EN] 4-BENZ0YL-1-SUBSTITUTED-PIPERAZIN-2-0NE DERIVATIVES AS P2X7 MODULATORS<br/>[FR] DÉRIVÉS DE 4-BENZOYL-1-SUBSTITUÉ-PIPÉRAZIN-2-ONE COMME MODULATEURS DE P2X7
  申请人：GLAXO GROUP LTD

  公开号：WO2009053459A1

  公开（公告）日：2009-04-30

  The invention provides a compound of formula (I) or a pharmaceutically acceptable salt thereof wherein: A is C1-6alkyl, C3-6cycloalkyl, -CH2-R6, -CHMe-R7, -CMe2-R7, or optionally substituted aryl; wherein, when A is optionally substituted aryl, said aryl group is optionally substituted with 1 to 3 substituents, which may be the same or different, selected from the group consisting of halogen, C1-6alkyl, -CF3, C1-4alkoxy, C1fluoroalkoxy, cyano, NR8R9; and pyridyl wherein the pyridyl is optionally substituted by one methyl; R1 is chlorine, fluorine, -CF3, cyano or C1-6alkyl; R2, R3 and R5 independently are hydrogen, fluorine, chlorine, -CF3, cyano or C1-6alkyl, such that at least one of R2, R3 and R5 is other than hydrogen; R4 is hydrogen. These compounds and salts are thought to be P2X7 receptor antagonists. The invention also provides the use of the compound or salt for the manufacture of a medicament for the treatment of pain, inflammation, rheumatoid arthritis, osteoarthritis, or a neurodegenerative disease.

  该发明提供了一个具有以下式（I）的化合物或其药用盐，其中：A为C1-6烷基，C3-6环烷基，-CH2-R6，-CHMe-R7，-CMe2-R7或可选择地取代的芳基；其中，当A为可选择地取代的芳基时，所述芳基可选择地取代为1至3个取代基，这些取代基可以相同或不同，选自卤素，C1-6烷基，-CF3，C1-4烷氧基，C1氟烷氧基，氰基，NR8R9；和吡啶基，其中吡啶基可选择地被一个甲基取代；R1为氯，氟，-CF3，氰基或C1-6烷基；R2、R3和R5独立地为氢，氟，氯，-CF3，氰基或C1-6烷基，使得R2、R3和R5中至少有一个不是氢；R4为氢。这些化合物和盐被认为是P2X7受体拮抗剂。该发明还提供了该化合物或盐用于制备用于治疗疼痛、炎症、类风湿关节炎、骨关节炎或神经退行性疾病的药物的用途。
• Synthesis of benzotriazoles derivatives and their dual potential as α-amylase and α-glucosidase inhibitors in vitro: Structure-activity relationship, molecular docking, and kinetic studies
  作者：Shehryar Hameed、Kanwal、Faiza Seraj、Rafaila Rafique、Sridevi Chigurupati、Abdul Wadood、Ashfaq Ur Rehman、Vijayan Venugopal、Uzma Salar、Muhammad Taha、Khalid Mohammed Khan

  DOI：10.1016/j.ejmech.2019.111677

  日期：2019.12

  Benzotriazoles (4-6) were synthesized which were further reacted with different substituted benzoic acids and phenacyl bromides to synthesize benzotriazole derivatives (7-40). The synthetic compounds (7-40) were characterized via different spectroscopic techniques including EI-MS, HREI-MS, 1H-, and 13C NMR. These molecules were examined for their anti-hyperglycemic potential hence were evaluated for

  合成了苯并三唑（4-6），其进一步与不同的取代的苯甲酸和苯甲酰溴反应以合成苯并三唑衍生物（7-40）。合成化合物（7-40）通过不同的光谱技术进行了表征，包括EI-MS，HREI-MS，1H-和13C NMR。检查这些分子的抗降血糖潜力，因此评估其α-葡萄糖苷酶和α-淀粉酶抑制活性。所有苯并三唑均在2.00-5.6和2.04-5.72μM的IC50值范围内分别显示出对α-葡萄糖苷酶和α-淀粉酶的中等至良好的抑制活性。为了理解结构-活性关系，将合成化合物分为“ A”和“ B”两类。化合物25（IC50 = 2.41±1.31μM），（IC50 = 2.5±1.21μM），发现36（IC50 = 2.12±1.35μM）（IC50 = 2.21±1.08μM）和37（IC50 = 2.00±1.22μM）（IC50 = 2.04±1.4μM）在芳环上有氯取代/ s对α-葡萄糖苷酶和α-淀粉酶最