(1S,3S,7S,10R,11S,12S,16S)-7,11-dihydroxy-8,8,10,12,16-pentamethyl-3-((E)-1-(5-methylisoxazol-3-yl)prop-1-en-2-yl)-4-oxabicyclo[14.1.0]heptadecane-5,9-dione | 1269439-01-1

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 大环内酯类和类似物
• 英文名称: (1S,3S,7S,10R,11S,12S,16S)-7,11-dihydroxy-8,8,10,12,16-pentamethyl-3-((E)-1-(5-methylisoxazol-3-yl)prop-1-en-2-yl)-4-oxabicyclo[14.1.0]heptadecane-5,9-dione
• 英文别名: (1S,3S,7S,10R,11S,12S,16S)-7,11-dihydroxy-8,8,10,12,16-pentamethyl-3-[(E)-1-(5-methyl-1,2-oxazol-3-yl)prop-1-en-2-yl]-4-oxabicyclo[14.1.0]heptadecane-5,9-dione
• CAS: 1269439-01-1
• 化学式: C₂₈H₄₃NO₆
• 分子量: 489.653
• InChiKey: CGPOIQXWUKAYNH-QZIUOTQVSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5.3
• 重原子数：
  35
• 可旋转键数：
  2
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.75
• 拓扑面积：
  110
• 氢给体数：
  2
• 氢受体数：
  7

反应信息

• 作为产物：
  描述：

  (1S,3S,7S,10R,11S,12S,16S)-8,8,10,12,16-pentamethyl-3-(1-(5-methylisoxazol-3-yl)prop-1-en-2-yl)-7,11-bis(trimethylsilyloxy)-4-oxabicyclo[14.1.0]heptadecane-5,9-dione 在 柠檬酸 作用下， 以 甲醇 为溶剂， 反应 13.0h， 以78%的产率得到(1S,3S,7S,10R,11S,12S,16S)-7,11-dihydroxy-8,8,10,12,16-pentamethyl-3-((E)-1-(5-methylisoxazol-3-yl)prop-1-en-2-yl)-4-oxabicyclo[14.1.0]heptadecane-5,9-dione
  参考文献：
  名称：

  Stereoselective Synthesis of 12,13-Cyclopropyl-Epothilone B and Side-Chain-Modified Variants

  摘要：

  A general strategy has been devised for the stereoselective synthesis of 12,13-cyclopropyl-epothilone B and side-chain-modified variants thereof, which relies on late stage introduction of the heterocycle through Wittig olefination of ketone 14. Formation of the macrocycle was achieved through RCM-based ring closure and introduction of the cyclopropane moiety involved a highly selective Charette cyclopropanation of allylic alcohol 7.

  DOI：

  10.1021/ol200114k