2,2,3,7-tetramethyl-2,3-dihydro-4H,9H-furo[3,2-c]pyrano[3,4-e]pyran-4,9-dione

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡喃
• 英文名称: 2,2,3,7-tetramethyl-2,3-dihydro-4H,9H-furo[3,2-c]pyrano[3,4-e]pyran-4,9-dione
• 英文别名: 4,4,5,11-Tetramethyl-3,8,12-trioxatricyclo[7.4.0.02,6]trideca-1(9),2(6),10-triene-7,13-dione
• 化学式: C₁₄H₁₄O₅
• 分子量: 262.262
• InChiKey: IKHWOQHOXURHDF-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.6
• 重原子数：
  19
• 可旋转键数：
  0
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.43
• 拓扑面积：
  61.8
• 氢给体数：
  0
• 氢受体数：
  5

反应信息

• 作为产物：
  描述：

  2-甲基-2-丁烯 、 4-hydroxy-7-methyl-2H,5H-pyrano[4,3-b]pyran-2,5-dione 在 ammonium cerium(IV) nitrate 作用下， 以 乙腈 为溶剂， 以26%的产率得到2,2,3,7-tetramethyl-2,3-dihydro-4H,9H-furo[3,2-c]pyrano[3,4-e]pyran-4,9-dione
  参考文献：
  名称：

  Convenient Synthesis of Furopyranopyrandione Derivatives by the CAN-mediated Furan Ring Formation

  摘要：

  4H,9H-Furo[3,2-c]pyrano[3,4-e]pyran-4,9-dione (8) and (10) and 4H,5H-furo[2,3-b]pyrano[3,4-e]pyran-4,5-dione derivatives (9) were prepared in one step by treating 4-hydroxy-2H,5H-pyrano[4,3-b]pyran-2,5-diones (6) and alkenes (7) (or phenylacetylene) in acetonitrile with 2 equivalents of cerium(IV) ammonium nitrate (CAN).

  DOI：

  10.3987/com-02-9690

文献信息

• Convenient Synthesis of Furopyranopyrandione Derivatives by the CAN-mediated Furan Ring Formation
  作者：Kazuhiro Kobayashi、Katsunori Nagase、Osamu Morikawa、Hisatoshi Konishi

  DOI：10.3987/com-02-9690

  日期：——

  4H,9H-Furo[3,2-c]pyrano[3,4-e]pyran-4,9-dione (8) and (10) and 4H,5H-furo[2,3-b]pyrano[3,4-e]pyran-4,5-dione derivatives (9) were prepared in one step by treating 4-hydroxy-2H,5H-pyrano[4,3-b]pyran-2,5-diones (6) and alkenes (7) (or phenylacetylene) in acetonitrile with 2 equivalents of cerium(IV) ammonium nitrate (CAN).