1-(4-Pentylphenyl)-3-phenylprop-2-en-1-one

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 直链 1,3-二芳基丙烷
• 英文名称: 1-(4-Pentylphenyl)-3-phenylprop-2-en-1-one
• 化学式: C₂₀H₂₂O
• 分子量: 278.394
• InChiKey: QHXCZIIICPXMHZ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5.5
• 重原子数：
  21
• 可旋转键数：
  7
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  17.1
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  1-(4-Pentylphenyl)-3-phenylprop-2-en-1-one 在 叔丁基过氧化氢 、 [(Me₃Si)₂N]₃Yb(μ-Cl)Li(THF)₃ 、 (S)-2,4-di-tert-butyl-6-((2-(hydroxydiphenylmethyl)pyrrolidin-1-yl)methyl)phenol 作用下， 以 四氢呋喃 为溶剂， 反应 4.0h， 以98%的产率得到(4-pentylphenyl)-[(2S,3R)-3-phenyl-2-oxiranyl]methanone
  参考文献：
  名称：

  Highly Enantioselective Epoxidation of α,β-Unsaturated Ketones Catalyzed by Rare-Earth Amides [(Me₃Si)₂N]₃RE(μ-Cl)Li(THF)₃ with Phenoxy-Functionalized Chiral Prolinols

  摘要：

  A simple and efficient catalytic enantioselective epoxidation of alpha,beta-unsaturated ketones has been successfully developed, which was catalyzed by rare-earth metal amides [(Me3Si)(2)N](3)RE(mu-Cl)Li(THF)(3) (RE = Yb (1), La (2), Sm (3), Y (4), Lu (5)) in the presence of phenoxy-functionalized chiral prolinols at room temperature using tert-butylhydroperoxide (TBHP) as the oxidant. The combination of an Yb-based amide 1 and a chiral proligand (S)-2,4-di-tert-butyl-6-((2-(hydroxydiphenylmethyl)pyrrolidin-1-yl)methyl)phenol) performed very well, and both the yields and the enantiomeric excess of the chiral epoxides reached up to 99% and 99% ee.

  DOI：

  10.1021/acs.orglett.5b00833

文献信息

• Cascade Trisulfur Radical Anion (S₃^•–) Addition/Electron Detosylation Process for the Synthesis of 1,2,3-Thiadiazoles and Isothiazoles
  作者：Bei-Bei Liu、Hui-Wen Bai、Huan Liu、Shun-Yi Wang、Shun-Jun Ji

  DOI：10.1021/acs.joc.8b01450

  日期：2018.9.7

  Trisulfur radical anion (S3•–) mediated reactions with in situ formed azoalkenes and α,β-usaturated N-sulfonylimines for the construction of 1,2,3-thiadiazoles and isothiazoles has been developed. S3•– is in situ generated from potassium sulfide in DMF. These two approaches provide a new, safe, and simple way to construct 4-subsituted 1,2,3-thiadiazoles, 5-subsituted 1,2,3-thiadiazoles, and isothiazole

  已经开发了三硫自由基阴离子（S 3 •–）与原位形成的偶氮烯烃和α，β-过饱和的N-磺酰亚胺类化合物介导的反应，用于构建1,2,3-噻二唑和异噻唑。S 3 •–是由DMF中的硫化钾原位生成的。这两种方法提供了一种新的，安全的和简单的方法来以高收率构建4-取代的1,2,3-噻二唑，5-取代的1,2,3-噻二唑和异噻唑。反应包括在温和条件下通过S 3 •加成形成新的C–S和N–S键和电子脱甲苯基化反应。
• Highly Enantioselective Epoxidation of α,β-Unsaturated Ketones Catalyzed by Rare-Earth Amides [(Me₃Si)₂N]₃RE(μ-Cl)Li(THF)₃ with Phenoxy-Functionalized Chiral Prolinols
  作者：Chao Zeng、Dan Yuan、Bei Zhao、Yingming Yao

  DOI：10.1021/acs.orglett.5b00833

  日期：2015.5.1

  A simple and efficient catalytic enantioselective epoxidation of alpha,beta-unsaturated ketones has been successfully developed, which was catalyzed by rare-earth metal amides [(Me3Si)(2)N](3)RE(mu-Cl)Li(THF)(3) (RE = Yb (1), La (2), Sm (3), Y (4), Lu (5)) in the presence of phenoxy-functionalized chiral prolinols at room temperature using tert-butylhydroperoxide (TBHP) as the oxidant. The combination of an Yb-based amide 1 and a chiral proligand (S)-2,4-di-tert-butyl-6-((2-(hydroxydiphenylmethyl)pyrrolidin-1-yl)methyl)phenol) performed very well, and both the yields and the enantiomeric excess of the chiral epoxides reached up to 99% and 99% ee.