(S)-2-Methyl-hexadecanal | 870192-60-2

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: (S)-2-Methyl-hexadecanal
• CAS: 870192-60-2
• 化学式: C₁₇H₃₄O
• 分子量: 254.456
• InChiKey: CTUHQRWBXMBEPD-KRWDZBQOSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5.91
• 重原子数：
  18.0
• 可旋转键数：
  14.0
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.94
• 拓扑面积：
  17.07
• 氢给体数：
  0.0
• 氢受体数：
  1.0

反应信息

• 作为反应物：
  描述：

  (S)-2-Methyl-hexadecanal 在 二异丁基氢化铝 作用下， 以 二氯甲烷 为溶剂， 反应 4.5h， 生成 (E)-(S)-4-Methyl-octadec-2-en-1-ol
  参考文献：
  名称：

  Synthesis of [13]-membered macrocyclic stevastelins via a transesterification reaction as the key step: total synthesis of stevastelin C3

  摘要：

  A new synthesis of stevastelin C3 (3), a [13]-membered ring component of the stevastelin family, whose structure was recently revised, is reported. Initially, a macrolactonization approach was attempted to generate the [13]-membered macrolactone but this met with failure, so a translactonization reaction was tried to obtain the targeted stevastelin C3 (3) from the corresponding [15]-membered ring counterpart. Unfortunately, this strategy did not prove successful, and, consequently, we opted to undertake a transesterification reaction from 23, as a means to accommodate the requisite aminoacid moiety at the correct position, to obtain 24. From 24, and through intermediates 25-28, the acyclic precursor of the [13]-membered ring macrolactone, compound 30, was efficiently prepared. By utilizing the synthetic course developed by Chida, we took 30 forward and completed the total synthesis of stevastelin C3 (3). (c) 2005 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tetlet.2005.09.037
• 作为产物：
  描述：

  [(S)-2-methoxymethylpyrrolidin-1-yl]-N-propylideneamine 在 臭氧 、 lithium diisopropyl amide 作用下， 以 四氢呋喃 、 二氯甲烷 为溶剂， 反应 19.0h， 生成 (S)-2-Methyl-hexadecanal
  参考文献：
  名称：

  Synthesis of [13]-membered macrocyclic stevastelins via a transesterification reaction as the key step: total synthesis of stevastelin C3

  摘要：

  A new synthesis of stevastelin C3 (3), a [13]-membered ring component of the stevastelin family, whose structure was recently revised, is reported. Initially, a macrolactonization approach was attempted to generate the [13]-membered macrolactone but this met with failure, so a translactonization reaction was tried to obtain the targeted stevastelin C3 (3) from the corresponding [15]-membered ring counterpart. Unfortunately, this strategy did not prove successful, and, consequently, we opted to undertake a transesterification reaction from 23, as a means to accommodate the requisite aminoacid moiety at the correct position, to obtain 24. From 24, and through intermediates 25-28, the acyclic precursor of the [13]-membered ring macrolactone, compound 30, was efficiently prepared. By utilizing the synthetic course developed by Chida, we took 30 forward and completed the total synthesis of stevastelin C3 (3). (c) 2005 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tetlet.2005.09.037

文献信息

• A highly efficient methodology of asymmetric epoxidation based on a novel chiral sulfur ylide
  作者：Francisco Sarabia、Samy Chammaa、Miguel García-Castro、Francisca Martín-Gálvez

  DOI：10.1039/b912070j

  日期：——

  A new type of chiral sulfur ylides has been synthesized and their reactivities against carbonyl compounds tested, showing a high degree of stereoselectivity in the formation of transepoxyamides under very mild reaction conditions.

  一种新型手性硫叶立德被合成，并测试了其对羰基化合物的反应活性，结果表明在非常温和的反应条件下，生成transepoxy酰胺具有高度的立体选择性。
• A Highly Stereoselective Synthesis of Glycidic Amides Based on a New Class of Chiral Sulfonium Salts: Applications in Asymmetric Synthesis
  作者：Francisco Sarabia、Carlos Vivar-García、Miguel García-Castro、Cristina García-Ruiz、Francisca Martín-Gálvez、Antonio Sánchez-Ruiz、Samy Chammaa

  DOI：10.1002/chem.201201332

  日期：2012.11.19

  A new type of chiral sulfonium salts that are characterized by a bicyclic system has been designed and synthesized from α‐amino acids. Their corresponding ylides, which were prepared by basic treatment of the sulfonium salts, reacted smoothly with a broad array of simple and chiral aldehydes to provide trans‐epoxy amides in reasonable to very good yields and excellent stereoselectivities (>98 %). The

  由α-氨基酸设计并合成了一种新型的具有双环体系特征的手性sulf盐。通过对treatment盐进行碱性处理而制备的它们相应的酰基化物，可与各种简单的手性醛平稳地反应，以合理至非常高的收率和出色的立体选择性（> 98％）提供反式环氧酰胺。发现获得的环氧酰胺可用作合成构件。因此，它们被还原成相应的环氧醇，并与不同类型的亲核试剂进行环氧乙烷开环反应。