3,3-二氟环丁烷羧酸 | 107496-54-8

• 物质功能分类: 有机原料 - 羧酸类化合物及衍生物
• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 中文名称: 3,3-二氟环丁烷羧酸
• 中文别名: 3,3-二氟环丁烷基羧酸；3,3-二氟环丁烷羧；3,3-二氟环丁烷甲酸
• 英文名称: 3,3-difluorocyclobutanecarboxylic acid
• 英文别名: 3,3-difluorocyclobutane-1-carboxylic acid；3,3-difluorocyclobutylcarboxylic acid
• CAS: 107496-54-8
• 化学式: C₅H₆F₂O₂
• mdl: MFCD08705857
• 分子量: 136.098
• InChiKey: PLRCVBKYFLWAAT-UHFFFAOYSA-N

物化性质

• 熔点：
  51.0 to 55.0 °C
• 沸点：
  205 °C
• 密度：
  1.37
• 闪点：
  78 °C

计算性质

• 辛醇/水分配系数(LogP)：
  0.9
• 重原子数：
  9
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.8
• 拓扑面积：
  37.3
• 氢给体数：
  1
• 氢受体数：
  4

安全信息

• 危险等级：
  IRRITANT
• 海关编码：
  2916209090
• 包装等级：
  III
• 危险类别：
  8
• 危险性防范说明：
  P501,P260,P234,P264,P280,P390,P303+P361+P353,P301+P330+P331,P363,P304+P340+P310,P305+P351+P338+P310,P406,P405
• 危险品运输编号：
  3261
• 危险性描述：
  H314,H290
• 储存条件：
  室温且干燥环境下使用。

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 3,3-Difluorocyclobutanecarboxylic 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: 3,3-Difluorocyclobutanecarboxylic acid
CAS number: 107496-54-8

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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.
Storage: Store in closed vessels, refrigerated.

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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
Melting point: No data
Flash point: No data
Density: No data
Molecular formula: C5H6F2O2
Molecular weight: 136.1

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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

制备方法与用途

用途

3,3-二氟环丁烷羧酸用作有机和医药中间体。

反应信息

• 作为反应物：
  描述：

  3,3-二氟环丁烷羧酸 在 吡啶 、 lead(IV) acetate 、 copper diacetate 作用下， 以 氯苯 为溶剂， 反应 2.0h， 以37.7%的产率得到3,3-difluorocyclobutene
  参考文献：
  名称：

  3,3-Difluorocyclobutene. Synthesis and reaction with diazomethane

  摘要：

  DOI：

  10.1021/jo00385a044
• 作为产物：
  描述：

  2-chloro-3,3-difluorocyclobut-1-ene carboxylic acid 在 palladium 10% on activated carbon 、 氢气 、 三乙胺 作用下， 以 甲醇 为溶剂， 45.0~50.0 ℃ 、344.75 kPa 条件下， 以95%的产率得到3,3-二氟环丁烷羧酸
  参考文献：
  名称：

  3,3-偕二氟环丁基甲酸工业化制备方法

  摘要：

  本发明涉及一种3,3-偕二氟环丁基甲酸的工业化制备方法。主要解决现有制备方法存在的原料3-氧代环丁羧酸或3-亚甲基环丁基甲腈，和氟代试剂DAST价格昂贵，不能规模化生产的技术问题。本发明以常规、易得的丙烯酸甲酯和1,1-二氯-2,2-二氟乙烯为原料，通过加成、水解、氢化得到3,3-偕二氟环丁基甲酸。其化学反应式如下：，本发明提供了一种简易实用、制备成本较低的3,3-偕二氟环丁基甲酸的工业化制备方法。

  公开号：

  CN105418406A

文献信息

• [EN] THIOPHENE DERIVATIVES FOR THE TREATMENT OF DISORDERS CAUSED BY IGE<br/>[FR] DÉRIVÉS DE THIOPHÈNE POUR LE TRAITEMENT DE TROUBLES PROVOQUÉS PAR IGE
  申请人：UCB BIOPHARMA SRL

  公开号：WO2019243550A1

  公开（公告）日：2019-12-26

  Thiophene derivatives of formula (I) and a pharmaceutically acceptable salt thereof are provided. These compounds have utility for the treatment or prevention of disorders caused by IgE, such as allergy, type 1 hypersensitivity or familiar sinus inflammation.

  提供了公式（I）的噻吩衍生物及其药用可接受的盐。这些化合物对于治疗或预防由IgE引起的疾病具有用途，如过敏、1型超敏反应或家族性鼻窦炎。
• [EN] CATHEPSIN CYSTEINE PROTEASE INHIBITORS<br/>[FR] INHIBITEURS DE PROTÉASES À CYSTÉINE DE TYPE CATHEPSINES
  申请人：MERCK SHARP & DOHME

  公开号：WO2015054038A1

  公开（公告）日：2015-04-16

  This invention relates to a novel class of compounds which are cysteine protease inhibitors, including but not limited to, inhibitors of cathepsins K, L, S and B. These compounds are useful for treating diseases in which inhibition of bone resorption is indicated, such as osteoporosis.

  这项发明涉及一类新型化合物，它们是半胱氨酸蛋白酶抑制剂，包括但不限于对卡特普辛K、L、S和B的抑制剂。这些化合物可用于治疗需要抑制骨吸收的疾病，如骨质疏松症。
• [EN] NOVEL COMPOUNDS AND PHARMACEUTICAL COMPOSITIONS THEREOF FOR THE TREATMENT OF INFLAMMATORY DISORDERS<br/>[FR] NOUVEAUX COMPOSÉS ET COMPOSITIONS PHARMACEUTIQUES LES COMPRENANT POUR LE TRAITEMENT DE TROUBLES INFLAMMATOIRES
  申请人：GALAPAGOS NV

  公开号：WO2017012647A1

  公开（公告）日：2017-01-26

  The present invention discloses compounds according to Formula (I), wherein R1, R3, R4, R5, L1, and Cy are as defined herein. The present invention also provides compounds, methods for the production of said compounds of the invention, pharmaceutical compositions comprising the same and their use in allergic or inflammatory conditions, autoimmune diseases, proliferative diseases, transplantation rejection, diseases involving impairment of cartilage turnover, congenital cartilage malformations, and/or diseases associated with hypersecretion of IL6 and/or interferons. The present invention also methods for the prevention and/or treatment of the aforementioned diseases by administering a compound of the invention.

  本发明公开了根据式（I）的化合物，其中R1、R3、R4、R5、L1和Cy如本文所定义。本发明还提供了该发明的化合物、制备该化合物的方法、包括相同化合物的药物组合物以及它们在过敏或炎症症状、自身免疫疾病、增殖性疾病、移植排斥、涉及软骨周转障碍的疾病、先天软骨畸形和/或与IL6和/或干扰素过度分泌相关的疾病中的使用。本发明还提供了通过给予该发明的化合物来预防和/或治疗上述疾病的方法。
• [EN] NOVEL COMPOUNDS<br/>[FR] NOUVEAUX COMPOSÉS
  申请人：GLAXOSMITHKLINE IP DEV LTD

  公开号：WO2015180612A1

  公开（公告）日：2015-12-03

  Disclosed are novel retinoid-related orphan receptor gamma (RORγ) modulators and their use in the treatment of diseases mediated by RORγ.

  揭示了新型视黄醇相关孤儿受体γ（RORγ）调节剂及其在通过RORγ介导的疾病治疗中的应用。
• NOVEL COMPOUNDS AS CANNABINOID RECEPTOR LIGANDS
  申请人：Carroll William A.

  公开号：US20090105306A1

  公开（公告）日：2009-04-23

  The present invention relates compounds of formula (I) wherein A and R 1 are as defined in the specification, pharmaceutical compositions comprising such compounds, and methods of treating conditions and disorders using such compounds and pharmaceutical compositions.

  本发明涉及以下式（I）的化合物 其中A和R1如规范中所定义，包括这些化合物的药物组合物，以及使用这些化合物和药物组合物治疗疾病和疾病的方法。