5-pentyl-2-(2-thienyl)furan | 221340-55-2

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 杂芳族化合物
• 英文名称: 5-pentyl-2-(2-thienyl)furan
• 英文别名: 2-Pentyl-5-thiophen-2-ylfuran
• CAS: 221340-55-2
• 化学式: C₁₃H₁₆OS
• 分子量: 220.335
• InChiKey: MPPOLFRPPHRYCJ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.6
• 重原子数：
  15
• 可旋转键数：
  5
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.38
• 拓扑面积：
  41.4
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  5-pentyl-2-(2-thienyl)furan 在 percent palladacycle 二异丙胺 、 mercury(II) oxide 作用下， 以 N,N-二甲基甲酰胺 、 苯 为溶剂， 反应 20.0h， 生成 5,5'-bis(5-pentyl-2-furyl)-2,2'-bithiophene
  参考文献：
  名称：

  钯环催化剂高效合成烷基封端低杂环化合物

  摘要：

  介绍了采用本实验室最近发现的方法制备α,α'-位烷基的噻吩/呋喃混合低聚物。因此，在 5 mol% 的钯环催化剂和 1.2 当量的 N,N-二异丙基乙胺在 DMF 中在 100°C 下 8 小时，可以以良好的产率从单碘芳烃制备混合噻吩/呋喃低聚物。

  DOI：

  10.1002/jccs.200000031
• 作为产物：
  描述：

  (Z)-3-iodo-1-(2-thienyl)non-3-en-1-one 在 Palladacycle 三乙胺 作用下， 以 四氢呋喃 为溶剂， 反应 12.0h， 以81%的产率得到5-pentyl-2-(2-thienyl)furan
  参考文献：
  名称：

  A novel palladium-catalyzed cyclization of β-iodo-β,γ-enones toward 2,5-disubstituted-furans

  摘要：

  The use of palladacycle catalyst to the transformation of various (Z)-beta-iodo-beta,gamma-enones into the corresponding 2,5-disubstituted furans in good yields at room temperature was described. The comparison of using other kind of palladium catalysts under the similar reaction conditions was also described. (C) 1998 Elsevier Science Ltd. All rights reserved.

  DOI：

  10.1016/s0040-4039(98)80035-x

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。
• 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).