3-氧代环丁烷甲酸乙酯 | 87121-89-9

• 物质功能分类: 化学试剂 - 有机试剂 - 酯类
• 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-氧代环丁烷甲酸乙酯
• 中文别名: 3-氧代环丁羧酸乙酯；3-氧代环丁烷羧酸乙酯；3-氧代环丁烷基羧酸乙酯
• 英文名称: ethyl 3-oxocyclobutanecarboxylate
• 英文别名: ethyl 3-oxocyclobutane-1-carboxylate
• CAS: 87121-89-9
• 化学式: C₇H₁₀O₃
• mdl: MFCD09834114
• 分子量: 142.155
• InChiKey: BXBRFSMPBOTZHJ-UHFFFAOYSA-N

物化性质

• 沸点：
  90 °C(Press: 2 Torr)
• 密度：
  1.169g/ml

计算性质

• 辛醇/水分配系数(LogP)：
  -0.1
• 重原子数：
  10
• 可旋转键数：
  3
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.714
• 拓扑面积：
  43.4
• 氢给体数：
  0
• 氢受体数：
  3

安全信息

• 海关编码：
  2918300090
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H315,H319,H335
• 储存条件：
  2-8°C

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: Ethyl 3-oxocyclobutanecarboxylate
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: Ethyl 3-oxocyclobutanecarboxylate
CAS number: 87121-89-9

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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: C7H10O3
Molecular weight: 142.2

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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.

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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：

  3-氧代环丁烷甲酸乙酯 在 lithium aluminium tetrahydride 、 二乙胺基三氟化硫 作用下， 以 乙醚 、 二氯甲烷 为溶剂， 反应 3.26h， 生成 (3,3-二氟环丁基)甲醇
  参考文献：
  名称：

  C4 / C5 3,3-二氟环丁基取代的结构单元的多重图合成

  摘要：

  摘要 描述了一种3,3-二氟环丁基取代的结构单元（包括羧酸，胺，醇，叠氮化物，三氟硼酸酯）的多谱图合成方法。结果表明，在大多数情况下，3,3-二氟环丁烷甲酸乙酯是获得目标衍生物的方便的常用合成中间体。为了制备3，3-二氟环丁醇或-环丁酮，应采用通过二氯乙烯酮与叔丁基或苄基乙烯基醚反应的替代途径。 描述了一种3,3-二氟环丁基取代的结构单元（包括羧酸，胺，醇，叠氮化物，三氟硼酸酯）的多谱图合成方法。结果表明，在大多数情况下，3,3-二氟环丁烷甲酸乙酯是获得目标衍生物的方便的常用合成中间体。为了制备3，3-二氟环丁醇或-环丁酮，应采用通过二氯乙烯酮与叔丁基或苄基乙烯基醚反应的替代途径。

  DOI：

  10.1055/s-0037-1610237
• 作为产物：
  描述：

  3-苄氧基-环丁烷甲酸 在 palladium on activated charcoal 四氧化钌 、 氢气 作用下， 生成 3-氧代环丁烷甲酸乙酯
  参考文献：
  名称：

  Synthesis and ionization constants of m- and p-substituted cis-3-phenylcyclobutanecarboxylic acids

  摘要：

  DOI：

  10.1021/jo01269a056

文献信息

• [EN] SUBSTITUTED 2-AZABICYCLO[3.1.1]HEPTANE AND 2-AZABICYCLO[3.2.1]OCTANE DERIVATIVES AS OREXIN RECEPTOR ANTAGONISTS<br/>[FR] DÉRIVÉS DE 2-AZABICYCLO[3.1.1]HEPTANE ET DE 2-AZABICYCLO[3.2.1]OCTANE SUBSTITUÉS EN TANT QU'ANTAGONISTES DU RÉCEPTEUR DE L'OREXINE
  申请人：CHRONOS THERAPEUTICS LTD

  公开号：WO2019043407A1

  公开（公告）日：2019-03-07

  There is provided a compound of formula (I), wherein L1 to L3, R1 to R4, X, A and B have meanings given in the description, and pharmaceutically acceptable salts, solvates and prodrugs thereof, which compounds are useful as antagonists of the orexin-1 and orexin-2 receptors or as selective antagonists of the orexin-1 receptor, and thus, in particular, in the treatment or prevention of inter alia substance dependence, addiction, anxiety disorders, panic disorders, binge eating, compulsive disorders, impulse control disorders, cognitive impairment and Alzheimer's disease.

  提供一种化合物，其化学式为（I），其中L1至L3，R1至R4，X，A和B的含义如描述中所给，并且其药学上可接受的盐、溶剂合物和前药，这些化合物可用作促进睡眠素-1和促进睡眠素-2受体的拮抗剂或作为促进睡眠素-1受体的选择性拮抗剂，因此，特别适用于治疗或预防物质依赖、成瘾、焦虑障碍、恐慌障碍、暴饮暴食、强迫障碍、冲动控制障碍、认知障碍和阿尔茨海默病等疾病。
• [EN] COMPOUNDS AND THEIR USE TO TREAT HISTAMINE H3 RELATED DISORDERS<br/>[FR] COMPOSÉS ET LEUR UTILISATION POUR LE TRAITEMENT DE TROUBLES ASSOCIÉS AU RÉCEPTEUR H3 DE L'HISTAMINE
  申请人：TAKEDA PHARMACEUTICAL

  公开号：WO2013027001A1

  公开（公告）日：2013-02-28

  The present invention provides compounds of formula (1) and pharmaceutically acceptable salts thereof, wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, m, n, p, q, Q1, Q2, Q3, Q4, Q5, Q6, X1, X2, X3, X4, A1 and L1, are as defined in the specification, processes for their preparation, pharmaceutical compositions containing them and their use in therapy.

  本发明提供了式（1）的化合物及其药学上可接受的盐，其中R1、R2、R3、R4、R5、R6、R7、R8、R9、R10、R11、R12、R13、R14、R15、R16、R17、R18、R19、R20、m、n、p、q、Q1、Q2、Q3、Q4、Q5、Q6、X1、X2、X3、X4、A1和L1如规范中所定义，其制备方法，含有它们的药物组合物以及它们在治疗中的用途。
• Substituted pyrazolo-piperazines as casein kinase 1 δ/ε inhibitors
  申请人：BRISTOL-MYERS SQUIBB COMPANY

  公开号：US09273058B2

  公开（公告）日：2016-03-01

  The invention provides compounds of Formula (I): and pharmaceutically acceptable salts thereof. The compounds of Formula (I) inhibit protein kinase activity thereby making them useful as anticancer agents.

  本发明提供了式(I)的化合物： 及其药用可接受的盐。式(I)的化合物通过抑制蛋白激酶活性，使其作为抗肿瘤剂具有用途。
• [EN] NOVEL OXADIAZOLE COMPOUNDS<br/>[FR] COMPOSÉS INÉDITS D'OXADIAZOLE
  申请人：ABBOTT LAB

  公开号：WO2011071570A1

  公开（公告）日：2011-06-16

  Novel oxadiazole compounds, pharmaceutical compositions containing such compounds and the use of those compounds or compositions as agonists or antagonists of the S1P family of G protein-coupled receptors for treating diseases associated with modulation of S1P family receptor activity, in particular by affording a beneficial immunosuppressive effect are disclosed.

  新型噁二唑化合物，含有这种化合物的药物组合物以及将这些化合物或组合物用作治疗与调节S1P家族G蛋白偶联受体活性相关的疾病的激动剂或拮抗剂的用途被披露，特别是通过提供有益的免疫抑制作用。
• [EN] DERIVATIVES OF 3-HETEROARYLISOXAZOL-5-CARBOXYLIC AMIDE USEFUL FOR THE TREATMENT OF INTER ALIA CYSTIC FIBROSIS<br/>[FR] DÉRIVÉS DE 3-HÉTÉROARYLISOXAZOL-5-AMIDE CARBOXYLIQUE UTILES DANS LE TRAITEMENT, ENTRE AUTRES, D'UNE FIBROSE KYSTIQUE
  申请人：PROTEOSTASIS THERAPEUTICS INC

  公开号：WO2016105468A1

  公开（公告）日：2016-06-30

  The present disclosure is based, in part, on the discovery that disclosed compounds can increase cystic fibrosis transmembrane conductance regulator (CFTR) activity as measured in human bronchial epithelial (hBE) cells.

  本公开涉及的部分基于发现，所披露的化合物可以增加在人类支气管上皮细胞（hBE）中测量的囊性纤维化跨膜传导调节蛋白（CFTR）的活性。