ethyl (Z)-2-styrylbenzoate | 67456-90-0

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 二苯乙烯类
• 英文名称: ethyl (Z)-2-styrylbenzoate
• CAS: 67456-90-0
• 化学式: C₁₇H₁₆O₂
• 分子量: 252.313
• InChiKey: NCVAXOPBJSAPRO-SEYXRHQNSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.03
• 重原子数：
  19.0
• 可旋转键数：
  4.0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.12
• 拓扑面积：
  26.3
• 氢给体数：
  0.0
• 氢受体数：
  2.0

反应信息

• 作为产物：
  描述：

  ethyl 2-(phenylethynyl)benzoate 在 乙醇 、 potassium tert-butylate 、 1,3-双(2,4,6-三甲基苯基)氯化咪唑 、 联硼酸频那醇酯 、 copper(l) chloride 作用下， 反应 12.0h， 以88%的产率得到ethyl (Z)-2-styrylbenzoate
  参考文献：
  名称：

  Diboron-Assisted Copper-Catalyzed Z-Selective Semihydrogenation of Alkynes Using Ethanol as a Hydrogen Donor

  摘要：

  We herein describe a B(2)Pin(2)-assisted copper-catalyzed semihydrogenation of alkynes. A variety of alkenes were obtained in good to excellent yields with Z-selectivity under mild reaction conditions. Mechanistic studies indicated that a transfer hydrogenation process was involved and ethanol acted as both a solvent and a hydrogen donor in this reaction. The present protocol enabled convenient synthesis of deuterium-substituted Z-alkenes such as Z-Combretastain A4-d(2) in a high deuteration ratio by using readily available ethanol-d(1) as the deuterium source.

  DOI：

  10.1021/acs.joc.9b00321

文献信息

• Sunlight promoted palladium catalysed Mizoroki–Heck, Suzuki–Miyaura and Sonogashira reactions
  作者：Anju R. Chaudhary、Ashutosh V. Bedekar

  DOI：10.1016/j.tetlet.2012.08.139

  日期：2012.11

  The palladium catalysed Mizoroki–Heck, Suzuki–Miyaura and Sonogashira reactions were successfully carried out under irradiation with sunlight. The Heck reaction gives considerable amount of Z product due to photochemical isomerization of initially formed E alkenes. Reaction of methyl 2-iodobenzoate with acrylamide under solar condition furnished 2H-2-benzazepine-1,3-dione rather than the expected derivative

  钯催化的Mizoroki–Heck，Suzuki–Miyaura和Sonogashira反应在阳光照射下成功进行。由于最初形成的E烯烃的光化学异构化，Heck反应产生大量的Z产物。2-碘代苯甲酸甲酯与丙烯酰胺在阳光下的反应提供了2 H -2-苯并enza庚因-1,3-二酮，而不是肉桂酸酯的预期衍生物，而与2-碘代苯甲酸乙酯的相同反应得到了所需的肉桂酰胺。