(+)-2-ethyloctan-1-ol

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 英文名称: (+)-2-ethyloctan-1-ol
• 英文别名: (2S)-ethyl-1-octanol；(2S)-2-ethyloctan-1-ol
• 化学式: C₁₀H₂₂O
• 分子量: 158.284
• InChiKey: HTRVTKUOKQWGMO-JTQLQIEISA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.8
• 重原子数：
  11
• 可旋转键数：
  7
• 环数：
  0.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  20.2
• 氢给体数：
  1
• 氢受体数：
  1

反应信息

• 作为产物：
  描述：

  2-((S)-1-(benzyloxy)octan-2-yl)benzo-1,3-dithiole 在 正丁基锂 、 氢气 作用下， 以 四氢呋喃 、 乙醇 、 正己烷 为溶剂， 反应 3.08h， 生成 (+)-2-ethyloctan-1-ol
  参考文献：
  名称：

  1,3-苯二硫代四氟硼酸酯对醛的高度对映选择性α烷基化：碳离子对醛的形式有机催化α烷基化

  摘要：

  正式的甲酰基：对醛类进行有机催化的立体选择性加成（见方案），可以耐受多种官能团，从而提供具有高对映选择性（92-97％  ee）和良好收率（高达95％）的产物。苯二硫基可以很容易地用阮内镍除去或用n BuLi进行金属化，从而获得甲基或各种有用的中间体。

  DOI：

  10.1002/anie.201102562

文献信息

• METHOD FOR SYNTHESIS OF HALOPYRIDYL-ACYCLOPENTANE DERIVATIVE AND INTERMEDIATE THEREOF
  申请人：——

  公开号：US20020010339A1

  公开（公告）日：2002-01-24

  The present invention relates to a method for synthesis of an optically active halopyridyl-azacyclo-pentane derivative and the intermediate thereof which comprises preparing an optically active allene-1,3-dicarboxylic acid ester derivative from an optically active acetonedicarboxylic acid ester derivative and then proceeding through a 7-azabicyclo[2.2.1]heptane derivative to obtain the objective product.

  本发明涉及一种合成光学活性卤代吡啶-氮杂环戊烷衍生物及其中间体的方法，包括从光学活性丙酮二羧酸酯衍生物制备光学活性联二烯-1,3-二羧酸酯衍生物，然后通过7-氮杂双环[2.2.1]庚烷衍生物进行反应，以获得目标产物。
• Catalytic enantioselective ethylalumination of terminal alkenes: substrate effects and absolute configuration assignment
  作者：Lyudmila V. Parfenova、Pavel V. Kovyazin、Tatyana V. Tyumkina、Alyona V. Makrushina、Leonard M. Khalilov、Usein M. Dzhemilev

  DOI：10.1016/j.tetasy.2014.11.019

  日期：2015.2

  The chemo- and enantioselectivity of the reaction of alkenes with AlEt3 catalyzed by bis(1-neomenthyl-indenyl)zirconium dichloride has been studied. The reaction with linear alkenes in a chlorinated solvent (CH2Cl2) gives mainly carbometallation products in 70-80% yield and with enantiomeric purity of 47-70%ee with an (S)-configuration. In the case of vinylcycloalkanes and styrene, the reaction provides roughly equal amounts of carbometallation products and substituted alumolanes with enantioselectivities of 39-69%ee and 40-57%ee, respectively.(R)-MTPA and (R)-2-phenylselenopropionic acid [(R)-PSPA] were used as the derivatization reagents for enantiomeric excess estimation and the absolute configuration assignment of beta-chiral primary alcohols and 2-substituted 1,4-butanediols resulting from oxidation and hydrolysis of the organoaluminum products. It was shown that the specific rotation changes sign in the series of enantiomerically enriched 2-ethyl-1-alkanols when going from beta-ethyl-substituted octanol to nonanol. The conformational analysis of the MTPA and PSPA esters of 2-ethyl-1-alkanols was performed and a dependence of their conformational composition on the type of substituent at the beta-stereogenic center was established. Calculation of the Se-77 NMR chemical shifts of the possible conformers of the PSPA esters demonstrated that the conformation of the selenium moiety has the most pronounced effect on the delta(Se) value. The high efficiency of PSPA application for the enantiomeric purity estimation and the absolute configuration assignment of 2-ethyl-1-alkanols is shown. (C) 2014 Elsevier Ltd. All rights reserved.
• Regio- and enantioselective carbolithiation of non-activated CC bonds
  作者：Stéphanie Norsikian、Monique Baudry、Jean F Normant

  DOI：10.1016/s0040-4039(00)01091-1

  日期：2000.8

  Primary alkyllithiums in the presence of (-)-sparteine, add to terminal conjugated dienes. They also add to 2,4-pentadien-1-ols if they are substituted on C(5), and give rise to allyllithium intermediates, 2-Alkylalkan-1-ols have thus been prepared with ee's up to 74%. (C) 2000 Elsevier Science Ltd, All rights reserved.
• US6384228B2
  申请人：——

  公开号：US6384228B2

  公开（公告）日：2002-05-07
• Highly Enantioselective α Alkylation of Aldehydes with 1,3-Benzodithiolylium Tetrafluoroborate: A Formal Organocatalytic α Alkylation of Aldehydes by the Carbenium Ion
  作者：Andrea Gualandi、Enrico Emer、Montse Guiteras Capdevila、Pier Giorgio Cozzi

  DOI：10.1002/anie.201102562

  日期：2011.8.16

  A formal formyl: The organocatalytic stereoselective addition of formyl equivalents to aldehydes (see scheme) tolerates a large variety of functional groups to afford products with high enantioselectivity (92–97 % ee) and good yields (up to 95 %). The benzodithiol group can be easily removed with Raney Ni or metalated with nBuLi, thus giving access to a methyl group or to a wide range of useful intermediates

  正式的甲酰基：对醛类进行有机催化的立体选择性加成（见方案），可以耐受多种官能团，从而提供具有高对映选择性（92-97％  ee）和良好收率（高达95％）的产物。苯二硫基可以很容易地用阮内镍除去或用n BuLi进行金属化，从而获得甲基或各种有用的中间体。