1,3-bis(trifluoromethyl)-2,5-difluorobenzene | 21581-78-2

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 1,3-bis(trifluoromethyl)-2,5-difluorobenzene
• 英文别名: 1,4-Difluor-2,6-bis-trifluormethyl-benzol；2,5-Difluoro-1,3-bis(trifluoromethyl)benzene；2,5-difluoro-1,3-bis(trifluoromethyl)benzene
• CAS: 21581-78-2
• 化学式: C₈H₂F₈
• 分子量: 250.091
• InChiKey: ISZHKVLWFZTWNR-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.9
• 重原子数：
  16
• 可旋转键数：
  0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  0
• 氢给体数：
  0
• 氢受体数：
  8

反应信息

• 作为产物：
  描述：

  四氟-1,3-二(三氟甲基)苯 在 铜 、 锌 作用下， 以 水 、 N,N-二甲基甲酰胺 为溶剂， 反应 30.0h， 生成 1,3-bis(trifluoromethyl)-2,5-difluorobenzene
  参考文献：
  名称：

  Transformations of perfluoroxylenes and perfluoro-p-cymene under the action of Zn(Cu)-D-DMF-H2O.

  摘要：

  Perfluorinated xylenes and perfluoro-para-cymene undergo hydrodefluorination under the action of Zn(Cu)-DMF-H2O. Hydrogen enters mainly at the benzyl position of para-dialkylbenzenes and at the para position to perfluoroalkyl groups of perfluorinated ortho- and meta-xylenes. The process presumably involves radical anions as intermediates. A product of perfluoro-4-methylbenzyl radical trapping by hexene-1 was obtained Quantum-chemical calculations of radical anions of the compounds under investigation have been carried out. (C) 1997, Elsevier Science Ltd.

  DOI：

  10.1016/s0040-4020(96)01090-3

文献信息

• BLOCK COPOLYMER, MANUFACTURING METHOD THEREFOR, AND POLYMER ELECTROLYTE MATERIAL, MOLDED POLYMER ELECTROLYTE, AND SOLID-POLYMER FUEL CELL USING SAID BLOCK COPOLYMER
  申请人：Toray Industries, Inc.

  公开号：EP2749585A1

  公开（公告）日：2014-07-02

  To provide: a block copolymer that exhibits excellent proton conductivity even under low-humidification conditions, exhibits excellent mechanical strength and chemical stability, and when used in a polymer electrolyte fuel cell, allows high output and excellent physical durability; a polymer electrolyte material; and a polymer electrolyte form article and a polymer electrolyte fuel cell, using the same. The block copolymer of the present invention includes each one or more of: a segment (A1) containing an ionic group; a segment (A2) not containing an ionic group; and a linker moiety connecting the segments. The segment (A1) containing an ionic group comprises a constituent unit represented by a specific structure. The polymer electrolyte material, the polymer electrolyte form article, and the polymer electrolyte fuel cell according to the present invention are manufactured by using the above block copolymer.

  目的：提供一种嵌段共聚物，该嵌段共聚物即使在低湿度条件下也能表现出优异的质子传导性，具有优异的机械强度和化学稳定性，在聚合物电解质燃料电池中使用时，可实现高输出和优异的物理耐久性；提供一种聚合物电解质材料；以及使用该材料的聚合物电解质成型品和聚合物电解质燃料电池。 本发明的嵌段共聚物包括：含有离子基团的段 (A1)；不含离子基团的段 (A2)；以及连接各段的连接分子。含有离子基团的区段（A1）包括由特定结构表示的组成单元。根据本发明，聚合物电解质材料、聚合物电解质成型品和聚合物电解质燃料电池是通过使用上述嵌段共聚物制造的。
• US9653745B2
  申请人：——

  公开号：US9653745B2

  公开（公告）日：2017-05-16
• Transformations of perfluoroxylenes and perfluoro-p-cymene under the action of Zn(Cu)-D-DMF-H2O.
  作者：Vyacheslav I. Krasnov、Vyacheslv E. Platonov、Irina V. Beregovaya、Lyudmila N. Shohegoleva

  DOI：10.1016/s0040-4020(96)01090-3

  日期：1997.2

  Perfluorinated xylenes and perfluoro-para-cymene undergo hydrodefluorination under the action of Zn(Cu)-DMF-H2O. Hydrogen enters mainly at the benzyl position of para-dialkylbenzenes and at the para position to perfluoroalkyl groups of perfluorinated ortho- and meta-xylenes. The process presumably involves radical anions as intermediates. A product of perfluoro-4-methylbenzyl radical trapping by hexene-1 was obtained Quantum-chemical calculations of radical anions of the compounds under investigation have been carried out. (C) 1997, Elsevier Science Ltd.