(2E,8E,4R,5S,7R,11R)-11-(tert-butyldimethylsiloxy)-5,7-dihydroxy-5,7-O-isopropylidene-2,4,6,6,8-pentamethylhexadeca-2,8-dienal | 220484-23-1

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: (2E,8E,4R,5S,7R,11R)-11-(tert-butyldimethylsiloxy)-5,7-dihydroxy-5,7-O-isopropylidene-2,4,6,6,8-pentamethylhexadeca-2,8-dienal
• 英文别名: (E,4R)-4-[(4S,6R)-6-[(E,5R)-5-[tert-butyl(dimethyl)silyl]oxydec-2-en-2-yl]-2,2,5,5-tetramethyl-1,3-dioxan-4-yl]-2-methylpent-2-enal
• CAS: 220484-23-1
• 化学式: C₃₀H₅₆O₄Si
• 分子量: 508.858
• InChiKey: CPRAGKUSXOKUKI-RFAQMKBJSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  8.62
• 重原子数：
  35
• 可旋转键数：
  13
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.83
• 拓扑面积：
  44.8
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  (2E,8E,4R,5S,7R,11R)-11-(tert-butyldimethylsiloxy)-5,7-dihydroxy-5,7-O-isopropylidene-2,4,6,6,8-pentamethylhexadeca-2,8-dienal 在 2,6-二甲基吡啶 、 chiral oxazaborolidinone 作用下， 以 二氯甲烷 为溶剂， 反应 3.0h， 生成 (E)-(3S,6R)-6-{(4S,6R)-6-[(E)-(R)-4-(tert-Butyl-dimethyl-silanyloxy)-1-methyl-non-1-enyl]-2,2,5,5-tetramethyl-[1,3]dioxan-4-yl}-4-methyl-3-triethylsilanyloxy-hept-4-enoic acid phenyl ester
  参考文献：
  名称：

  Toward a practical synthesis of acutiphycin. Highly stereoselective synthesis of C10-epi seco acid derivative via reaction paths shortened by using a series of chiral oxazaborolidinone-promoted aldol reactions

  摘要：

  DOI：

  10.1016/s0040-4039(98)02553-2
• 作为产物：
  描述：

  N-(2-triethylsilylpropylidene)-tert-butylamine 、 (6E,2S,3S,5R,9R)-9-(tert-butyldimethylsiloxy)-3,5-dihydroxy-3,5-O-isopropylidene-2,4,4,6-tetramethyltetradec-6-enal 在 lithium diisopropyl amide 作用下， 生成 (2Z,8E,4R,5S,7R,11R)-11-(tert-butyldimethylsiloxy)-5,7-dihydroxy-5,7-O-isopropylidene-2,4,6,6,8-pentamethylhexadeca-2,8-dienal 、 (2E,8E,4R,5S,7R,11R)-11-(tert-butyldimethylsiloxy)-5,7-dihydroxy-5,7-O-isopropylidene-2,4,6,6,8-pentamethylhexadeca-2,8-dienal
  参考文献：
  名称：

  Toward a practical synthesis of acutiphycin. Highly stereoselective synthesis of C10-epi seco acid derivative via reaction paths shortened by using a series of chiral oxazaborolidinone-promoted aldol reactions

  摘要：

  DOI：

  10.1016/s0040-4039(98)02553-2

文献信息

• Toward a practical synthesis of acutiphycin. Highly stereoselective synthesis of C10-epi seco acid derivative via reaction paths shortened by using a series of chiral oxazaborolidinone-promoted aldol reactions
  作者：Mostofa Abu Hena、Chul-Sa Kim、Michio Horiike、Syun-ichi Kiyooka

  DOI：10.1016/s0040-4039(98)02553-2

  日期：1999.2
• A Study Directed to the Asymmetric Synthesis of the Antineoplastic Macrolide Acutiphycin under Enantioselective Acyclic Stereoselection Based on Chiral Oxazaborolidinone-Promoted Asymmetic Aldol Reactions
  作者：Syun-ichi Kiyooka、Mostofa A. Hena

  DOI：10.1021/jo990342r

  日期：1999.7.1

  A shortening of the reaction path can be realized by using a series of the chiral oxazaborolidinone-promoted aldol reaction with respect to the practical synthesis of the (+)-acutiphycin seco acid derivative 5. The linear strategy is based on the utilization of five aldol reactions with a sequence of silyl nucleophiles, 7, 8, 35, 10, and 11, in the presence of stoichiometric amounts of the promoter, 1 or 2. The construction of the relative configuration between the stereogenic centers is diastereoselectively controlled by the stereochemistry of the promoter used in the enantioselective aldol reaction, which is nearly independent of that of the substrate (promoter control).