2-nitro-thieno[3,2-b]thiophene | 39069-90-4

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 噻吩类
• 英文名称: 2-nitro-thieno[3,2-b]thiophene
• 英文别名: 2-Nitro-thieno[3,2-b]thiophen；2-Nitro-thieno<3,2-b>-thiophen；2-Nitrothieno<3,2-b>thiophen；2-Nitrothieno[3,2-b]thiophene；5-nitrothieno[3,2-b]thiophene
• CAS: 39069-90-4
• 化学式: C₆H₃NO₂S₂
• 分子量: 185.227
• InChiKey: MRAWYNDPWTUYSJ-UHFFFAOYSA-N

物化性质

• 沸点：
  331.3±22.0 °C(Predicted)
• 密度：
  1.619±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.9
• 重原子数：
  11
• 可旋转键数：
  0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  102
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  2-nitro-thieno[3,2-b]thiophene 在 乙酸酐 、 镍 作用下， 生成 2-acetylimino-2,3-dihydro-thieno[3,2-b]thiophene
  参考文献：
  名称：

  Challenger; Emmott, Journal of the Institute of Petroleum, 1951, vol. 37, p. 396,401

  摘要：

  DOI：
• 作为产物：
  描述：

  噻吩并[3,2-b]噻吩 在 硝酸 、 乙酸酐 作用下， 生成 2-nitro-thieno[3,2-b]thiophene
  参考文献：
  名称：

  Challenger; Harrison, Journal of the Institution of Petroleum Technologists, 1935, vol. 21, p. 135,149

  摘要：

  DOI：

文献信息

• LIQUID CRYSTAL COMPOSITION
  申请人：Sumitomo Chemical Company, Limited

  公开号：US20170335191A1

  公开（公告）日：2017-11-23

  A liquid crystal composition which prevents production of an alignment defect of a liquid crystal compound and also has excellent storage stability during dissolution in a solvent is provided. The liquid crystal composition is suitable for constituting a retardation film capable of favorable circular polarization conversion. The liquid crystal composition includes a polymerizable liquid crystal compound having 3 or more ring structures in the main chain, and aluminum. A content of the aluminum is 1 ppm or more and 170 ppm or less relative to the polymerizable liquid crystal compound.

  提供了一种液晶组合物，可以防止液晶化合物的对准缺陷产生，并且在溶剂中溶解时具有优异的储存稳定性。该液晶组合物适用于构成具有良好圆偏振转换的减速膜。该液晶组合物包括具有3个或更多环结构的可聚合液晶化合物和铝。铝的含量相对于可聚合液晶化合物为1 ppm或更多，170 ppm或更少。
• 2-Methylthieno-, thionaphtheno-, and thienothienopyridines
  作者：V. G. Zhiryakov、P. I. Abramenko

  DOI：10.1007/bf00473594

  日期：——
• Bruce et al., Journal of the Institute of Petroleum, 1948, vol. 34, p. 226,229
  作者：Bruce et al.

  DOI：——

  日期：——
• KERATIN DYEING COMPOSITIONS CONTAINING BICYCLIC FUSED 5-5 HETEROAROMATIC DYES
  申请人：The Procter and Gamble Company

  公开号：EP1715840B1

  公开（公告）日：2008-12-03
• LIQUID CRYSTAL COMPOSITION, METHOD OF PRODUCING THE SAME, AND RETARDATION FILM CONSTITUTED FROM THE SAME
  申请人：Sumitomo Chemical Company, Limited

  公开号：US20170306234A1

  公开（公告）日：2017-10-26

  A liquid crystal composition is provided containing a polymerizable liquid crystal compound, the composition having high preservation stability when dissolved in a solvent and also having the ability to restrain the development of orientation defects of the liquid crystal compound. A method of producing such a liquid crystal composition is also provided with ease. The liquid crystal composition includes a first polymerizable liquid crystal compound having five or more ring structures on its principal chain and represented by the following formula (A) and a second polymerizable liquid crystal compound having five or more ring structures and represented by the following formula (B).