methyl 5-methyl-2-vinyl-2,3-dihydrobenzofuran-7-carboxylate

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 香豆素
• 英文名称: methyl 5-methyl-2-vinyl-2,3-dihydrobenzofuran-7-carboxylate
• 英文别名: Methyl 2-ethenyl-5-methyl-2,3-dihydro-1-benzofuran-7-carboxylate
• 化学式: C₁₃H₁₄O₃
• 分子量: 218.252
• InChiKey: VZBLYBXQOSXZEU-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.8
• 重原子数：
  16
• 可旋转键数：
  3
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.31
• 拓扑面积：
  35.5
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为产物：
  描述：

  2-carbomethoxy-4-methylcyclohexanone 在 2,3-二氯-5,6-二氰基-1,4-苯醌 、 lithium diisopropyl amide 作用下， 以 四氢呋喃 、 1,4-二氧六环 、 正己烷 为溶剂， 反应 90.0h， 生成 methyl 5-methyl-2-vinyl-2,3-dihydrobenzofuran-7-carboxylate
  参考文献：
  名称：

  Efficient Synthesis of Furan-2-ylacetates, 7-(Alkoxycarbonyl)benzofurans, and 7-(Alkoxycarbonyl)-2,3-dihydrobenzofurans Based on Cyclization Reactions of Free and Masked Dianions:  A “Cyclization/Dehydrogenation” Strategy

  摘要：

  A variety of furan-2-ylacetates have been prepared by dehydrogenation of monocyclic 2-alkylidene-tetrahydrofurans, which are readily available by cyclizations of open-chained 1,3-dicarbonyl dianions with 1-bromo-2-chloroethane. 5'H-[2,3']Bifuranyl-2'-ones are available based on sequential "cyclization/dehydrogenation" reactions of alpha-acetyl-gamma-butyrolactones. A variety of 7-(alkoxycarbonyl)-benzofarans and 7-(alkoxycarbonyl)-2,3-dihydrobenzofurans were prepared by a cyclization/ dehydrogenation strategy. These reactions rely on cyclizations of 2-oxocycloalkane-1-carboxylate/derived 1,3-dicarbonyl dianions ("free dianions") or 1,3-bis-silyl enol ethers ("masked dianions") with various 1,2-dielectrophiles.

  DOI：

  10.1021/jo051767i

文献信息

• Efficient Synthesis of Furan-2-ylacetates, 7-(Alkoxycarbonyl)benzofurans, and 7-(Alkoxycarbonyl)-2,3-dihydrobenzofurans Based on Cyclization Reactions of Free and Masked Dianions:  A “Cyclization/Dehydrogenation” Strategy
  作者：Esen Bellur、Peter Langer

  DOI：10.1021/jo051767i

  日期：2005.11.1

  A variety of furan-2-ylacetates have been prepared by dehydrogenation of monocyclic 2-alkylidene-tetrahydrofurans, which are readily available by cyclizations of open-chained 1,3-dicarbonyl dianions with 1-bromo-2-chloroethane. 5'H-[2,3']Bifuranyl-2'-ones are available based on sequential "cyclization/dehydrogenation" reactions of alpha-acetyl-gamma-butyrolactones. A variety of 7-(alkoxycarbonyl)-benzofarans and 7-(alkoxycarbonyl)-2,3-dihydrobenzofurans were prepared by a cyclization/ dehydrogenation strategy. These reactions rely on cyclizations of 2-oxocycloalkane-1-carboxylate/derived 1,3-dicarbonyl dianions ("free dianions") or 1,3-bis-silyl enol ethers ("masked dianions") with various 1,2-dielectrophiles.