(5R,6R)-5-methyl-6-pentafluorophenyl-5,6-dihydropyran-2-one | 765941-66-0

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡喃
• 英文名称: (5R,6R)-5-methyl-6-pentafluorophenyl-5,6-dihydropyran-2-one
• 英文别名: (2R,3R)-3-methyl-2-(2,3,4,5,6-pentafluorophenyl)-2,3-dihydropyran-6-one
• CAS: 765941-66-0
• 化学式: C₁₂H₇F₅O₂
• 分子量: 278.178
• InChiKey: PKVHMFGEERVNNG-LJEIHNFPSA-N

物化性质

• 沸点：
  267.8±40.0 °C(Predicted)
• 密度：
  1.444±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  3
• 重原子数：
  19
• 可旋转键数：
  1
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  26.3
• 氢给体数：
  0
• 氢受体数：
  7

反应信息

• 作为反应物：
  描述：

  (5R,6R)-5-methyl-6-pentafluorophenyl-5,6-dihydropyran-2-one 在 四氧化锇 、 N-甲基吲哚酮 作用下， 以 水 、 丙酮 为溶剂， 反应 6.0h， 以88%的产率得到(3S,4S,5R,6R)-3,4-dihydroxy-5-methyl-6-pentafluorophenyltetrahydropyran-2-one
  参考文献：
  名称：

  Diastereoselective Dihydroxylation and Regioselective Deoxygenation of Dihydropyranones:  A Novel Protocol for the Stereoselective Synthesis of C₁−C₈ and C₁₅−C₂₁ Subunits of (+)-Discodermolide

  摘要：

  Diastereoselective dihydroxylation of dihydropyranones and subsequent regioselective alpha-deoxygenation provides 1,3-trans-beta-hydroxy-delta-lactones stereoselectively. This protocol has been applied for the synthesis of C-1-C-8 and C-15-C-21 subunits of (+)-discodermolide.

  DOI：

  10.1021/jo0492416
• 作为产物：
  描述：

  五氟苯甲醛 在 RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) 吡啶 、 sodium hydroxide 、 双氧水 作用下， 以 甲苯 为溶剂， 反应 3.0h， 生成 (5R,6R)-5-methyl-6-pentafluorophenyl-5,6-dihydropyran-2-one
  参考文献：
  名称：

  Diastereoselective Dihydroxylation and Regioselective Deoxygenation of Dihydropyranones:  A Novel Protocol for the Stereoselective Synthesis of C₁−C₈ and C₁₅−C₂₁ Subunits of (+)-Discodermolide

  摘要：

  Diastereoselective dihydroxylation of dihydropyranones and subsequent regioselective alpha-deoxygenation provides 1,3-trans-beta-hydroxy-delta-lactones stereoselectively. This protocol has been applied for the synthesis of C-1-C-8 and C-15-C-21 subunits of (+)-discodermolide.

  DOI：

  10.1021/jo0492416

文献信息

• Diastereoselective Dihydroxylation and Regioselective Deoxygenation of Dihydropyranones:  A Novel Protocol for the Stereoselective Synthesis of C₁−C₈ and C₁₅−C₂₁ Subunits of (+)-Discodermolide
  作者：P. Veeraraghavan Ramachandran、Bodhuri Prabhudas、J. Subash Chandra、M. Venkat Ram Reddy

  DOI：10.1021/jo0492416

  日期：2004.9.1

  Diastereoselective dihydroxylation of dihydropyranones and subsequent regioselective alpha-deoxygenation provides 1,3-trans-beta-hydroxy-delta-lactones stereoselectively. This protocol has been applied for the synthesis of C-1-C-8 and C-15-C-21 subunits of (+)-discodermolide.