5,6-bis(trifluoromethyl)pyrazine-2,3-dicarbonitrile

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二嗪类
• 英文名称: 5,6-bis(trifluoromethyl)pyrazine-2,3-dicarbonitrile
• 化学式: C₈F₆N₄
• 分子量: 266.105
• InChiKey: FQNGZBVNAIQTJH-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.7
• 重原子数：
  18
• 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：
  73.4
• 氢给体数：
  0
• 氢受体数：
  10

反应信息

• 作为产物：
  描述：

  三氟乙酸酐 、 trifluoroacetaldehyde dimethylhydrazone 、 二氨基马来腈 以 氯仿 为溶剂， 反应 4.0h， 以42%的产率得到5,6-bis(trifluoromethyl)pyrazine-2,3-dicarbonitrile
  参考文献：
  名称：

  3-(Dimethylhydrazono)-1,1,1,4,4,4-hexafluoro-2-butanone as latent perfluorobiacetyl

  摘要：

  Reaction of trifluoroacetaldehyde dimethylhydrazone with TFAA yielded 3-(dimethylhydrazono)1,1,1,4,4,4-hexafluoro-2-butanone, which could be condensed in situ with diamino compounds to afford 2, 3-bis(trifluoromethyl)quinoxaline, 5,6-bis(trifluoromethyl)pyrazine, and 4,5-bis(trifluoromethyl)-1H-imidazole. (C) 2000 Elsevier Science Ltd. All rights reserved.

  DOI：

  10.1016/s0040-4039(00)01686-5

文献信息

• Electrode for use in oxygen reduction
  申请人：Sotomura Tadashi

  公开号：US20070243449A1

  公开（公告）日：2007-10-18

  The present invention is usable in oxygen electrodes and air electrodes for air cells, fuel cells, electrochemical sensors and like electrochemical devices. The present invention provides a very stable oxygen-reducing electrode that can achieve electrochemical reduction of oxygen at a noble potential. The oxygen-reducing electrode of the present invention contains a cobalt tetrapyrazinoporphyrazine derivative represented by the following Structural Formula (1) as a catalytic component.
• US7695850B2
  申请人：——

  公开号：US7695850B2

  公开（公告）日：2010-04-13
• 3-(Dimethylhydrazono)-1,1,1,4,4,4-hexafluoro-2-butanone as latent perfluorobiacetyl
  作者：Yasuhiro Kamitori

  DOI：10.1016/s0040-4039(00)01686-5

  日期：2000.11

  Reaction of trifluoroacetaldehyde dimethylhydrazone with TFAA yielded 3-(dimethylhydrazono)1,1,1,4,4,4-hexafluoro-2-butanone, which could be condensed in situ with diamino compounds to afford 2, 3-bis(trifluoromethyl)quinoxaline, 5,6-bis(trifluoromethyl)pyrazine, and 4,5-bis(trifluoromethyl)-1H-imidazole. (C) 2000 Elsevier Science Ltd. All rights reserved.