2-bromo-3-methylthieno[2,3-b]thiophene | 56412-14-7

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 噻吩并噻吩类
• 英文名称: 2-bromo-3-methylthieno[2,3-b]thiophene
• 英文别名: 5-bromo-4-methylthieno[2,3-b]thiophene
• CAS: 56412-14-7
• 化学式: C₇H₅BrS₂
• 分子量: 233.153
• InChiKey: LTLZBDBXJIFJIL-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.3
• 重原子数：
  10
• 可旋转键数：
  0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.14
• 拓扑面积：
  56.5
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  2-bromo-3-methylthieno[2,3-b]thiophene 生成 4-methyl-4H-thieno[2,3-b]thiophen-5-one
  参考文献：
  名称：

  MARTELLI G.; TESTAFERRI L.; TIECCO M.; ZANIRATO P., J. ORG. CHEM. , 1975, 40, NO 23, 3384-3391

  摘要：

  DOI：
• 作为产物：
  描述：

  3-methyl-thieno[2,3-b]thiophene 在 N-溴代丁二酰亚胺(NBS) 、 过氧化苯甲酰 作用下， 以 四氯化碳 、 水 为溶剂， 反应 6.0h， 以37%的产率得到2-bromo-3-methylthieno[2,3-b]thiophene
  参考文献：
  名称：

  Novel 5-HT2A receptor ligands

  摘要：

  式I的化合物：是人类5-HT2A受体的拮抗剂，因此在治疗或预防各种神经系统疾病方面很有用。

  公开号：

  US20050101586A1

文献信息

• 5-HT2A receptor ligands
  申请人：Merk Sharp & Dohme Ltd.

  公开号：US07094777B2

  公开（公告）日：2006-08-22

  Compounds of formula I: are antagonists of the human 5-HT2A receptor, and hence useful in treatment or prevention of a variety of neurological conditions.

  化学式为I的化合物是人类5-HT2A受体的拮抗剂，因此在治疗或预防各种神经系统疾病方面非常有用。
• 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。
• NOVEL 1, 3-DISUBSTITUTED AZETIDINE DERIVATIVES FOR USE AS 5HT2A RECEPTOR LIGANDS
  申请人：Merck Sharp & Dohme Limited

  公开号：EP1685100A1

  公开（公告）日：2006-08-02
• 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).
• US7094777B2
  申请人：——

  公开号：US7094777B2

  公开（公告）日：2006-08-22