| 1402918-06-2

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二氧戊环
• CAS: 1402918-06-2
• 化学式: C₁₂H₂₄O₃Si
• 分子量: 244.406
• InChiKey: FDTXCZXSOKYALW-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.83
• 重原子数：
  16.0
• 可旋转键数：
  4.0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.92
• 拓扑面积：
  35.53
• 氢给体数：
  0.0
• 氢受体数：
  3.0

反应信息

• 作为反应物：
  描述：

  在 正丁基锂 、 cerium(III) chloride 、 草酰氯 、 偶氮二异丁腈 、 bis-collidine bromonium hexafluoroantimonate 、 potassium tert-butylate 、 三正丁基氢锡 、 二异丁基氢化铝 、 二甲基亚砜 、 三氟乙酸 作用下， 以 四氢呋喃 、 硝基甲烷 、 正己烷 、 二氯甲烷 、 水 、 甲苯 为溶剂， 反应 16.33h， 生成 C₁₇H₃₄OSi
  参考文献：
  名称：

  Concise Synthetic Approaches for the Laurencia Family: Formal Total Syntheses of (±)-Laurefucin and (±)-E- and (±)-Z-Pinnatifidenyne

  摘要：

  Herein is presented a cohesive strategy to rapidly fashion diverse members of the lauroxocane family of natural products, leading to the shortest syntheses of any member to date. These efforts include racemic formal total syntheses of laurefucin and E- and Z-pinnatifidenyne as well as a facile preparation of the oxocene core of 3E-dehydrobromolaurefucin. The key elements of the design are novel diastereoselective ring-expanding bromoetherifications of tetrahydrofurans triggered by a unique bromonium source (BDSB, Et2SBr center dot SbBrCl5) and strategically positioned nucleophilic traps, where altering the identity and position of these traps affords diverse functionality on the eight-membered ring backbone. Its biogenetic relevance is also discussed in light of the range of substrates that successfully undergo this key rearrangement.

  DOI：

  10.1021/ja3076988
• 作为产物：
  描述：

  在 溶剂黄146 作用下， 以 二氯甲烷 为溶剂， 反应 1.0h， 以63%的产率得到
  参考文献：
  名称：

  Concise Synthetic Approaches for the Laurencia Family: Formal Total Syntheses of (±)-Laurefucin and (±)-E- and (±)-Z-Pinnatifidenyne

  摘要：

  Herein is presented a cohesive strategy to rapidly fashion diverse members of the lauroxocane family of natural products, leading to the shortest syntheses of any member to date. These efforts include racemic formal total syntheses of laurefucin and E- and Z-pinnatifidenyne as well as a facile preparation of the oxocene core of 3E-dehydrobromolaurefucin. The key elements of the design are novel diastereoselective ring-expanding bromoetherifications of tetrahydrofurans triggered by a unique bromonium source (BDSB, Et2SBr center dot SbBrCl5) and strategically positioned nucleophilic traps, where altering the identity and position of these traps affords diverse functionality on the eight-membered ring backbone. Its biogenetic relevance is also discussed in light of the range of substrates that successfully undergo this key rearrangement.

  DOI：

  10.1021/ja3076988