(+/-)-1-(2-chlorophenyl)ethyl acetate | 1796-62-9

• 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-(2-chlorophenyl)ethyl acetate
• 英文别名: 1-<2-Chlorphenyl>-ethyl-acetat；Essigsaeure-1-(o-chlor-phenyl)-aethylester；1-(2'-Chlorphenyl)-ethylacetat；1-(2-Chlorophenyl)ethyl acetate；1-(2-chlorophenyl)ethyl acetate
• CAS: 1796-62-9
• 化学式: C₁₀H₁₁ClO₂
• 分子量: 198.649
• InChiKey: GRGWBSCJWMHJOW-UHFFFAOYSA-N

物化性质

• 沸点：
  240.9±15.0 °C(Predicted)
• 密度：
  1.158±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.6
• 重原子数：
  13
• 可旋转键数：
  3
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.3
• 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-(2-chlorophenyl)ethyl acetate 在 copper(II) bis(trifluoromethanesulfonate) 叠氮基三甲基硅烷 作用下， 以 二氯甲烷 为溶剂， 反应 12.0h， 生成 1-(1-azidoethyl)-2-chlorobenzene
  参考文献：
  名称：

  Copper(II) Triflate as a Double Catalyst for the One-Pot Click Synthesis of 1,4-Disubstituted 1,2,3-Triazoles from Benzylic Acetates

  摘要：

  铜(II)三氟甲磺酸盐双重催化苄基乙酸酯与TMSN3的取代反应，以及随后与炔烃的一锅法1,3-偶极加成反应。该过程以良好产率制备了易于获得的乙酸酯为起始物，无需分离有机叠氮化合物，仅使用单一催化剂即可合成1,4-二取代的1,2,3-三唑。

  DOI：

  10.1055/s-2007-986638
• 作为产物：
  描述：

  1-(2-氯苯基)乙醇 、 乙酸酐 在 三乙胺 作用下， 以 二氯甲烷 为溶剂， 生成 (+/-)-1-(2-chlorophenyl)ethyl acetate
  参考文献：
  名称：

  Immobilized Manihot esculenta preparation as a novel biocatalyst in the enantioselective acetylation of racemic alcohols

  摘要：

  The enzymatic preparation obtained from a discard of Manihot esculenta roots has been successfully immobilized on calcium alginate hydrogels. This preparation has been tested as a chiral biocatalyst in the enzymatic acylation of a set of racemic aromatic alcohols. Depending on the reaction conditions, excellent enantioselectivities can be achieved. Some parameters that can alter the biocatalytic properties of the enzyme, such as solvent, temperature, acyl donor and substrate structure have been studied exhaustively in order to establish a deeper knowledge of this novel biocatalyst. (C) 2008 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tetasy.2008.05.018

文献信息

• Separation of enantiopure m-substituted 1-phenylethanols in high space-time yield using Bacillus subtilis esterase
  作者：Gao-Wei Zheng、Xu-Yun Liu、Zhi-Jun Zhang、Ping Tian、Guo-Qiang Lin、Jian-He Xu

  DOI：10.1039/c3ra41999a

  日期：——

  A recombinant Bacillus subtilis esterase (BsE) expressed in E. coli was found to exhibit excellent enantioselectivity (E was always greater than 100) towards m-substituted 1-phenylethanol acetates in the enantioselective hydrolysis reaction. An explanation for the high enantioselectivity observed towards these substrates was provided by molecular modeling. Moreover, the BsE also showed strong tolerance towards a high concentration of m-substituted 1-phenylethanol acetates (up to 1 M). Based on these excellent catalytic properties of BsE, a kind of m-substituted 1-phenylethanols, (R)-1-(3-chlorophenyl)ethanol, was efficiently synthesized in space-time yield of 920 g per L per day and 97% ee, indicating that the BsE was considered as a potentially ideal and promising biocatalyst for large-scale production of optically active m-substituted 1-phenylethanols.

  研究发现，在大肠杆菌中表达的重组枯草芽孢杆菌酯酶（BsE）在对映选择性水解反应中对 m-取代的 1-苯基乙醇乙酸酯表现出极好的对映选择性（E 始终大于 100）。分子模型为观察到的对这些底物的高对映选择性提供了解释。此外，BsE 还对高浓度的间取代 1-苯基乙醇乙酸酯（高达 1 M）表现出很强的耐受性。基于 BsE 的这些优异催化特性，一种间代 1-苯基乙醇--(R)-1-(3-氯苯基)乙醇被高效合成，时空产率为 920 克/升/天，ee 为 97%，这表明 BsE 被认为是大规模生产具有光学活性的间代 1-苯基乙醇的一种潜在的理想和有前途的生物催化剂。
• [EN] PROCESS FOR THE PREPARATION OF OPTICALLY ACTIVE BERAPROST<br/>[FR] PROCÉDÉ DE PRÉPARATION DE BÉRAPROST OPTIQUEMENT ACTIF
  申请人：CHINOIN GYÓGYSZER ÉS VEGYÉSZETI TERMÉKEK GYÁRA ZRT

  公开号：WO2017174439A1

  公开（公告）日：2017-10-12

  The invention provides a new process for the preparation of optically active Beraprost of formula (I) starting from racemic Beraprost alkyl ester through hydrolysis, enantiomer esterification, preparation of diacyl -Beraprost ester diastereomers and their separation and hydrolysis.

  本发明提供了一种新的制备光学活性Beraprost的方法，从外消旋Beraprost烷基酯开始，通过水解、对映异构体酯化、制备二酰基-Beraprost酯二对映体及其分离和水解。其化学式为(I)。