2,2-二氟乙酸丁酯 | 368-35-4

• 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: 2,2-二氟乙酸丁酯
• 英文名称: difluoro-acetic acid butyl ester
• 英文别名: Difluor-essigsaeure-butylester；butyl Difluoroacetate；butyl 2,2-difluoroacetate
• CAS: 368-35-4
• 化学式: C₆H₁₀F₂O₂
• 分子量: 152.141
• InChiKey: GVBWFXWJTVAKMW-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.8
• 重原子数：
  10
• 可旋转键数：
  5
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.83
• 拓扑面积：
  26.3
• 氢给体数：
  0
• 氢受体数：
  4

安全信息

• 危险品标志：
  Xi
• 海关编码：
  2915900090

反应信息

• 作为反应物：
  描述：

  2,2-二氟乙酸丁酯 、 三氟乙酸丁酯 在 sodium hydride 作用下， 生成 3-butoxy-2,2,4,4,4-pentafluoro-3-hydroxy-butyric acid butyl ester
  参考文献：
  名称：

  The Preparation and Reactions of Fluorine-containing Acetoacetic Esters

  摘要：

  DOI：

  10.1021/ja01109a032

文献信息

• [EN] FLUORINATED DERIVATIVES OF MELDRUM'S ACID, A METHOD FOR THE PREPARATION OF THE SAME, AND THEIR USE AS A SOLVENT ADDITIVE<br/>[FR] DÉRIVÉS FLUORÉS D'ACIDE DE MELDRUM, LEUR PROCÉDÉ DE PRÉPARATION ET LEUR UTILISATION COMME ADDITIF DE SOLVANT
  申请人：SOLVAY

  公开号：WO2013079397A1

  公开（公告）日：2013-06-06

  Disclosed are certain fluorinated derivatives of Meldrum's acid as novel compounds, preparation methods for the same, their use in Li ion batteries, Li air batteries and Li sulphur batteries as well as solvent compositions, electrolyte compositions and respective batteries containing them.

  本文披露了Meldrum's酸的某些氟化衍生物作为新型化合物，以及它们的制备方法，它们在锂离子电池、锂空气电池和锂硫电池中的应用，以及包含它们的溶剂组合物、电解质组合物和相应电池。
• Lithium sulfur battery
  申请人：Olschimke Jens

  公开号：US20120214043A1

  公开（公告）日：2012-08-23

  A lithium sulfur battery comprising an electrolyte solvent which comprises at least one fluorosubstituted compound is described. Preferred fluorosubstituted compounds which are predominantly solvents are notably selected from the group consisting of fluorosubstituted carboxylic acid esters, fluorosubstituted carboxylic acid amides, fluorosubstituted fluorinated ethers, fluorosubstituted carbamates, fluorosubstituted cyclic carbonates, fluorosubstituted acyclic carbonates, fluorosubstituted ethers, perfluoroalkyl phosphoranes, fluorosubstituted phosphites, fluorosubstituted phosphates, fluorosubstituted phosphonates, and fluorosubstituted heterocycles. Monofluoroethylene carbonate, cis-difluoroethylene carbonate, trans-difluoroethylene carbonate, 4,4-difluoroethylene carbonate, trifluoroethylene carbonate, tetrafluoroethylene carbonate, 4-fluoro-4-methyl-1,3-dioxolane-2-one, 4-fluoro-4-ethyl-1,3-dioxolane-2-one, 2,2,2-trifluoroethyl-methyl carbonate, 2,2,2-trifluoroethyl-fluoromethyl carbonate are preferred. The solvent may further comprise a non-fluorinated solvent, e.g., ethylene carbonate, a dialkyl carbonate, or propylene carbonate. Use of such fluorinated compound as additive for such batteries and specific electrolyte solutions.

  本文描述了一种包括至少一种含氟取代化合物的电解质溶剂的锂硫电池。优选的主要作为溶剂的氟取代化合物主要选自包括氟取代羧酸酯、氟取代羧酸酰胺、氟取代氟化醚、氟取代碳酸酯、氟取代环状碳酸酯、氟取代非环状碳酸酯、氟取代醚、全氟烷基磷烷、氟取代亚磷酸酯、氟取代磷酸酯、氟取代膦酸酯和氟取代杂环化合物的群组的化合物。优选的化合物包括单氟乙烯碳酸酯、顺-二氟乙烯碳酸酯、反-二氟乙烯碳酸酯、4,4-二氟乙烯碳酸酯、三氟乙烯碳酸酯、四氟乙烯碳酸酯、4-氟-4-甲基-1,3-二氧六环-2-酮、4-氟-4-乙基-1,3-二氧六环-2-酮、2,2,2-三氟乙基甲基碳酸酯、2,2,2-三氟乙基-氟甲基碳酸酯。该溶剂还可以包括非氟化溶剂，例如乙烯碳酸酯、二烷基碳酸酯或丙烯碳酸酯。使用这种含氟化合物作为电池和特定电解质溶液的添加剂。
• ELECTROLYTIC SOLUTION, ELECTROCHEMICAL DEVICE, LITHIUM ION SECONDARY BATTERY, AND MODULE
  申请人：DAIKIN INDUSTRIES, LTD.

  公开号：US20200280096A1

  公开（公告）日：2020-09-03

  An electrolyte solution containing a compound represented by the following formula (1): wherein R 101 and R 102 are the same as or different from each other and are each a hydrogen atom, a fluorine atom, or an alkyl group optionally containing a fluorine atom; and R 103 is an alkyl group or an organic group containing an unsaturated carbon-carbon bond. Also disclosed is an electrochemical device and lithium ion secondary battery including the electrolyte solution, and a module including the electrochemical device or lithium ion secondary battery.

  一种电解质溶液，包含由以下化学式（1）表示的化合物：其中R101和R102彼此相同或不同，分别为氢原子、氟原子或含有氟原子的烷基基团；R103为烷基基团或含有不饱和碳-碳键的有机基团。还公开了包括该电解质溶液的电化学器件和锂离子二次电池，以及包括电化学器件或锂离子二次电池的模块。
• FLUORINATED CARBONYL COMPOUNDS COMPRISING A TRIPLE BOND, METHODS FOR THEIR MANUFACTURE AND USES THEREOF
  申请人：SOLVAY SA

  公开号：US20150191423A1

  公开（公告）日：2015-07-09

  Fluorinated carbonyl compounds comprising a triple bond were prepared and their use as solvent additives or solvents in lithium ion batteries, lithium air batteries, lithium sulphur batteries and supercapacitors is described. Preferred compounds contain at least one nitrile or at least one alkynyl group.

  含有三键的氟化羰基化合物已经制备好，并描述了它们作为溶剂添加剂或溶剂在锂离子电池、锂空气电池、锂硫电池和超级电容器中的用途。首选化合物至少含有一个腈基或至少一个炔基。
• ELECTROLYTE FOR LITHIUM ION SECONDARY BATTERY, LITHIUM ION SECONDARY BATTERY, AND MODULE
  申请人：DAIKIN INDUSTRIES, LTD.

  公开号：US20200203769A1

  公开（公告）日：2020-06-25

  An electrolyte solution for a lithium ion secondary battery, containing a compound (1) represented by the following formula (1): wherein R 1 and R 2 are each independently a C1-C4 alkyl group optionally containing an ether bond, and wherein chloride ion is present at a concentration of 1.0×10 −6 to 1.0×10 3 ppm. Also disclosed is an electrolyte solution for a lithium ion secondary battery, containing an imidazolium cation (1-1) represented by the following formula (1-1), a bis(oxalato)borate anion, and a hexafluorophosphate anion, the formula (1-1) being: wherein R 1 and R 2 are each independently a C1-C4 alkyl group optionally containing an ether bond, and wherein chloride ion is present at a concentration of 1.0×10 −6 to 1.0×10 3 ppm.

  一种用于锂离子二次电池的电解质溶液，包含一种由以下化学式（1）表示的化合物（1）：其中R1和R2分别独立地是含有醚键的C1-C4烷基基团，并且氯化物离子的浓度为1.0×10-6至1.0×103ppm。还公开了一种用于锂离子二次电池的电解质溶液，包含由以下化学式（1-1）表示的咪唑阳离子（1-1），一种双（草酸盐）硼酸根离子和一种六氟磷酸根离子，其中化学式（1-1）为：其中R1和R2分别独立地是含有醚键的C1-C4烷基基团，并且氯化物离子的浓度为1.0×10-6至1.0×103ppm。