1-phenylethyl 3-phenylpropanoate

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 1-phenylethyl 3-phenylpropanoate
• 化学式: C₁₇H₁₈O₂
• 分子量: 254.329
• InChiKey: WUDCDDNQDMUSIY-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.9
• 重原子数：
  19
• 可旋转键数：
  6
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.24
• 拓扑面积：
  26.3
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  1-phenylethyl 3-phenylpropanoate 在 BES buffer 、 Lipase from Burkholderia cepacia 、 calcium chloride 作用下， 以 乙腈 为溶剂， 反应 48.0h， 生成 (R)-(+)-1-苯基乙醇 、 (S)-1-phenylethyl 3-phenylpropanoate 、 (R)-dihydrocinnamic acid 1-phenyl-ethyl ester
  参考文献：
  名称：

  How Substrate Solvation Contributes to the Enantioselectivity of Subtilisin toward Secondary Alcohols

  摘要：

  The current rule to predict the enantiopreference of subtilisin toward secondary alcohols is based on the size of the substituents at the stereocenter and implies that the active site contains two differently sized pockets for these substituents. Several experiments are inconsistent with the current rule. First, the X-ray structures of subtilisin show there is only one pocket (the S1' pocket) approximately the size of a phenyl group to bind secondary alcohols. Second, the rule often predicts the incorrect enantiomer for reactions in water. To resolve these contradictions, we refine the current rule to show that subtilisin binds only one substituent of a secondary alcohol and leaves the other in solvent. To test this refined empirical rule, we show that the enantioselectivity of a series of secondary alcohols in water varied linearly with the difference in hydrophobicity (log P/P0) of the substituents. This hydrophobicity difference accounts for the solvation of one substituent in water.

  DOI：

  10.1021/ja0528937
• 作为产物：
  描述：

  3-苯丙酸甲酯 在 [Cl(C₆F₁₃C₂H₄)2SnOSn(C₂H₄C₆F₁₃)2Cl]2 作用下， 以 甲苯 为溶剂， 反应 28.0h， 生成 1-phenylethyl 3-phenylpropanoate
  参考文献：
  名称：

  氟双相技术中用于酯交换反应的氟烷基二恶烷烷催化剂

  摘要：

  依靠氟双相技术，已经提出了新颖，实用的酯交换方法。氟烷基二氧杂环己烷烷催化剂能够通过使用比例为1的反应物酯和醇，在FC-72溶剂中进行酯交换反应，以提供100％的所需酯产率。该催化剂还可以在FC-72 /有机溶剂系统以及仅在甲苯中使用。可以使用许多带有各种官能团的酯和醇。催化剂可以完全回收再利用。更方便地，从反应混合物中分离出的FC-72中的催化剂溶液直接用于下一步反应。

  DOI：

  10.1002/1615-4169(200201)344:1<84::aid-adsc84>3.0.co;2-c

文献信息

• Convenient and Simple Esterification in Continuous-Flow Systems using<i>g</i>-DMAP
  作者：Yoshinori Okuno、Shigeki Isomura、Anna Sugamata、Kaoru Tamahori、Ami Fukuhara、Miyu Kashiwagi、Yuuichi Kitagawa、Emiri Kasai、Kazuyoshi Takeda

  DOI：10.1002/cssc.201500919

  日期：2015.11

  in a continuous‐flow system were investigated for decarboxylative esterification. High catalytic activity toward acylation was provided by g‐DMAP containing a flexible grafted‐polymer structure. During decarboxylation, carboxylic acids and alcohols were converted cleanly using di‐tert‐butyl dicarbonate (Boc2O) as a coupling reagent, which reduced by‐products. In addition, the use of Boc2O resulted in

  研究了聚乙烯-g-丙烯酸固定化的二甲基氨基吡啶（g - DMAP）在连续流系统中作为催化剂用于脱羧酯化的实用性和适用性。包含柔性接枝聚合物结构的g- DMAP提供了对酰化反应的高催化活性。在脱羧，羧酸和醇的使用干净二转化叔丁基酯（BOC 2 O）作为偶联试剂，从而减少副产物。此外，使用Boc 2 O导致形成叔叔丁酯。这些酯化反应显着减少了在连续流动条件下的反应时间，停留时间约为2分钟。这种高效的酯化方法将提供更实际的工业应用。
• A Versatile, Practical, and Inexpensive Reagent, Pyridine-3-carboxylic Anhydride (3-PCA), for Condensation Reactions
  作者：Setsuo Funasaka、Teruaki Mukaiyama

  DOI：10.1246/bcsj.81.148

  日期：2008.1.15

  A highly useful method for the preparation of carboxylic esters and carboxamides from various carboxylic acids was established by using a novel condensing reagent, pyridine-3-carboxylic anhydride (3-PCA), in the presence of 4-(dimethylamino)pyridine as an activator. The reactions of various carboxylic acids with nucleophiles, such as alcohols or amines, afforded the corresponding carboxylic acids or carboxamides in good to high yields under mild conditions by using simple experimental procedure. In addition, it was confirmed that this protocol was applicable to a gram-scale synthesis and the by-products, including pyridine-3-carboxylic acid and pyridine-3-carboxylate (or pyridine-3-carboxamide) produced in situ, were easily removed by using a simple aqueous workup.

  一种非常有用的方法被建立用于从各种羧酸制备羧酸酯和羧酰胺，采用了一种新型的缩合试剂——吡啶-3-羧酸酐（3-PCA），并在4-(二甲氨基)吡啶的激活下进行反应。各种羧酸与亲核试剂（如醇或胺）的反应，在温和条件下通过简单的实验步骤，获得了相应的羧酸酯或羧酰胺，产率良好到很高。此外，已确认该方法适用于克级合成，现场生成的副产物包括吡啶-3-羧酸和吡啶-3-羧酸盐（或吡啶-3-羧酰胺）可以通过简单的水洗步骤轻松去除。
• A Convenient Protocol for the Esterification of Carboxylic Acids with Alcohols in the Presence of di-<i>t</i>-Butyl Dicarbonate
  作者：Lukas J. Gooßen、Arno Döhring

  DOI：10.1055/s-2003-44986

  日期：——

  Stoichiometric mixtures of carboxylic acids and primary or secondary alkyl alcohols are cleanly converted into their corresponding esters by treatment with di-t-butyl dicarbonate [(BOC) 2 O] in the presence of catalytic amounts of N,N'-dimethylaminopyridine (DMAP). This convenient procedure provides a general access to a broad variety of esters including those bearing highly sensitive functional groups

  在催化量的 N,N'-二甲氨基吡啶 (DMAP) 存在下，通过用二碳酸二叔丁酯 [(BOC) 2 O] 处理，羧酸和伯或仲烷基醇的化学计量混合物完全转化为相应的酯. 这种方便的程序提供了对各种酯的通用访问，包括那些带有高度敏感官能团的酯，如苯酚酯或 BOC 基团。产品的纯化特别容易，因为副产品 t-BuOH 和 CO 2 是挥发性的——这是优于标准 DC​​C/DMAP 方法的一大优势。
• Water Solvent Method for Esterification and Amide Formation between Acid Chlorides and Alcohols Promoted by Combined Catalytic Amines: Synergy betweenN-Methylimidazole andN,N,N′,N′-Tetramethylethylenediamine (TMEDA)
  作者：Hidefumi Nakatsuji、Jun-ichi Morita、Tomonori Misaki、Yoo Tanabe

  DOI：10.1002/adsc.200600256

  日期：2006.10

  An efficient method for esterification between acid chlorides and alcohols in water as solvent has been developed by combining the catalytic amines, N-methylimidazole and N,N,N′,N′-tetramethylethylenediamine (TMEDA). The present Schotten–Baumann-type reaction was performed by maintaining the pH at around 11.5 using a pH controller to prevent the decomposition of acid chlorides and/or esters and to

  通过将催化胺，N-甲基咪唑和N，N，N'，N'-四甲基乙二胺（TMEDA）结合在一起，已开发​​出一种有效的方法，用于在水中作为溶剂在酰氯和醇之间进行酯化。通过使用pH调节剂将pH值保持在11.5左右，可以防止酸氯和/或酯类的分解并促进缩合，从而完成当前的Schotten-Baumann型反应。催化剂的选择（0.1当量）至关重要：N-甲基咪唑和TMEDA的组合使用具有显着的协同作用。催化胺具有两个不同的作用：（i）N-甲基咪唑与酰氯形成高反应性的铵中间体，并且（ii）TMEDA充当有效的HCl粘合剂。仔细的1 H NMR监测研究合理地支持了这些中间体的生产。在酰氯和伯胺或仲胺之间也实现了相关的酰胺形成，伯胺或仲胺包括较少的亲核或水溶性胺，例如2-（或4-）氯苯胺，Weinreb N-甲氧基胺和2,2-二甲氧基乙胺。
• Mild, powerful, and robust methods for esterification, amide formation, and thioesterification between acid chlorides and alcohols, amines, thiols, respectively
  作者：Hidefumi Nakatsuji、Mami Morimoto、Tomonori Misaki、Yoo Tanabe

  DOI：10.1016/j.tet.2007.08.117

  日期：2007.11

  practical methods for esterification, amide formation, and thioesterification between acid chlorides and alcohols, amines, thiols, respectively. The present mild and robust reaction was performed by two separate methods both by combining cheap and readily available amines, N-methylimidazole, and N,N,N′,N′-tetramethylethylenediamine (TMEDA). Method A uses catalytic N-methylimidazole and TMEDA with an

  我们开发了两种有效的实用方法，分别用于酰氯与醇，胺，硫醇之间的酯化，酰胺形成和硫酯化。本发明的温和而稳固的反应是通过两种单独的方法进行的，两者都是通过组合廉价且容易获得的胺，N-甲基咪唑和N，N，N '，N'-四甲基乙二胺（TMEDA）。方法A使用等摩尔量的K 2 CO 3催化N-甲基咪唑和TMEDA ，而方法B使用等摩尔量的N-甲基咪唑和TMEDA。其主要特征如下。（i）就反应性而言，方法B在酯化和硫代酯化方面优于方法A，而经济高效的方法A在酰胺形成方面优于方法B。（ii）酰氯与较少亲核和立体拥挤的胺（如2,6-二氯苯胺）之间的酰胺形成过程顺利进行。（iii）该方案适用于成功合成两种农用化学品，溴丁酸酯和杀虫剂。