2-((E)-4-stilbenyl)-1,1-dibromoethene | 386213-46-3

• 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: 2-((E)-4-stilbenyl)-1,1-dibromoethene
• 英文别名: 1-(2,2-dibromoethenyl)-4-[(E)-2-phenylethenyl]benzene
• CAS: 386213-46-3
• 化学式: C₁₆H₁₂Br₂
• 分子量: 364.079
• InChiKey: FWOUUGHTCBLDCG-VOTSOKGWSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  6.8
• 重原子数：
  18
• 可旋转键数：
  3
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  0
• 氢给体数：
  0
• 氢受体数：
  0

反应信息

• 作为反应物：
  描述：

  2-((E)-4-stilbenyl)-1,1-dibromoethene 在 正丁基锂 作用下， 以 四氢呋喃 、 正己烷 为溶剂， 反应 1.0h， 以90%的产率得到((E)-4-stilbenyl)ethyne
  参考文献：
  名称：

  Synthesis of 1-aryl-1,3-diyne and 2-aryl-1,1-dialkynylethene from the Sonogashira reactions of 2-aryl-1,1-dibromoethene

  摘要：

  Both 1-aryl-1,3-diyne and 2-aryl-1,1-dialkynylethene were produced from the Sonogasbira reactions of 2-aryl-1,1-dibromoethene with 1-alkyne. The ratio of the products varied according to the reaction conditions. The coupling reactions in benzene afforded the 2-aryl-1,1-dialkynylethene as a major product and no 1-aryl-1,3-diyne was isolated. The 1-aryl-1,3-diyne could be obtained in DMF in acceptable yields. When amines were used as a reaction solvent, the coupling reaction gave the 2-aryl-1, 1-dialkynylethene (20%) and the conjugated enyne (68%) in diisopropylamine, whereas only the 1-aryl-1,3-diyne was isolated in piperidine in 56% yield. (C) 2001 Elsevier Science Ltd. All rights reserved.

  DOI：

  10.1016/s0040-4020(01)00829-8
• 作为产物：
  描述：

  四溴化碳 、 4-二苯乙烯甲醛 在 三苯基膦 作用下， 以 二氯甲烷 为溶剂， 反应 2.0h， 以5.53 g的产率得到2-((E)-4-stilbenyl)-1,1-dibromoethene
  参考文献：
  名称：

  Synthesis of 1-aryl-1,3-diyne and 2-aryl-1,1-dialkynylethene from the Sonogashira reactions of 2-aryl-1,1-dibromoethene

  摘要：

  Both 1-aryl-1,3-diyne and 2-aryl-1,1-dialkynylethene were produced from the Sonogasbira reactions of 2-aryl-1,1-dibromoethene with 1-alkyne. The ratio of the products varied according to the reaction conditions. The coupling reactions in benzene afforded the 2-aryl-1,1-dialkynylethene as a major product and no 1-aryl-1,3-diyne was isolated. The 1-aryl-1,3-diyne could be obtained in DMF in acceptable yields. When amines were used as a reaction solvent, the coupling reaction gave the 2-aryl-1, 1-dialkynylethene (20%) and the conjugated enyne (68%) in diisopropylamine, whereas only the 1-aryl-1,3-diyne was isolated in piperidine in 56% yield. (C) 2001 Elsevier Science Ltd. All rights reserved.

  DOI：

  10.1016/s0040-4020(01)00829-8

文献信息

• Synthesis of 1-aryl-1,3-diyne and 2-aryl-1,1-dialkynylethene from the Sonogashira reactions of 2-aryl-1,1-dibromoethene
  作者：Hee Bong Lee、Dal Ho Huh、Joon Seok Oh、Gwan-Hong Min、Byung Hyun Kim、Dong Hwal Lee、Jae Kwang Hwang、Young Gyu Kim

  DOI：10.1016/s0040-4020(01)00829-8

  日期：2001.9

  Both 1-aryl-1,3-diyne and 2-aryl-1,1-dialkynylethene were produced from the Sonogasbira reactions of 2-aryl-1,1-dibromoethene with 1-alkyne. The ratio of the products varied according to the reaction conditions. The coupling reactions in benzene afforded the 2-aryl-1,1-dialkynylethene as a major product and no 1-aryl-1,3-diyne was isolated. The 1-aryl-1,3-diyne could be obtained in DMF in acceptable yields. When amines were used as a reaction solvent, the coupling reaction gave the 2-aryl-1, 1-dialkynylethene (20%) and the conjugated enyne (68%) in diisopropylamine, whereas only the 1-aryl-1,3-diyne was isolated in piperidine in 56% yield. (C) 2001 Elsevier Science Ltd. All rights reserved.