methyl 3-(phenylethynyl)benzo[b]thiophene-2-carboxylate | 1155888-17-7

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并噻吩类
• 英文名称: methyl 3-(phenylethynyl)benzo[b]thiophene-2-carboxylate
• 英文别名: Methyl 3-(2-phenylethynyl)-1-benzothiophene-2-carboxylate
• CAS: 1155888-17-7
• 化学式: C₁₈H₁₂O₂S
• 分子量: 292.358
• InChiKey: NZGZBEXEBOTLDP-UHFFFAOYSA-N

物化性质

• 沸点：
  475.3±30.0 °C(predicted)
• 密度：
  1.29±0.1 g/cm3(Temp: 20 °C; Press: 760 Torr)(predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  5.1
• 重原子数：
  21
• 可旋转键数：
  4
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.06
• 拓扑面积：
  54.5
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为产物：
  描述：

  3-溴苯并[b]噻吩-2-羧酸甲酯 、 苯乙炔 在 bis-triphenylphosphine-palladium(II) chloride 、 copper(l) iodide 、 三乙胺 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 反应 1.5h， 以48%的产率得到methyl 3-(phenylethynyl)benzo[b]thiophene-2-carboxylate
  参考文献：
  名称：

  Synthesis of novel 3-(aryl)benzothieno[2,3-c]pyran-1-ones from Sonogashira products and intramolecular cyclization: Antitumoral activity evaluation

  摘要：

  Several novel 3-(aryl)benzothieno[2,3-c]pyran-1-ones (tricyclic lactones) were prepared either by a tandem one-pot Sonogashira coupling and intramolecular cyclization, reacting the 3-bromobenzo[b]thiophene-2-carboxylic acid with arylacetylenes, or by Sonogashira coupling of the methyl 3-bromobenzo[b]thiophene-2-carboxylate or the methyl 3-bromo-6-methoxybenzo[b]thiophene-2-carboxylate with arylacetylenes followed by an electrophilic intramolecular cyclization using iodine or TFA in two separate steps. The Sonogashira products and the tricyclic lactones obtained were evaluated for their capacity to inhibit the in vitro growth of three human tumor cell lines, MCF-7 (breast adenocarcinoma), NCI-H460 (non-small cell lung cancer) and SF-268 (CNS cancer). Most of the compounds showed a high growth inhibitory effect on all the tested cell lines, with GI(50) values in the mu M range. A structure-activity relationship was established for the Sonogashira products and for the tricyclic lactones, namely related to the presence and position of substituents (OMe and/or F) in the benzothiophene moiety or in the phenyl ring. (C) 2008 Elsevier Masson SAS. All rights reserved.

  DOI：

  10.1016/j.ejmech.2008.11.002