(S)-tert-butyl 1-(4-chloroquinazolin-2-yl)ethylcarbamate | 1312716-46-3

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二氮杂萘
• 英文名称: (S)-tert-butyl 1-(4-chloroquinazolin-2-yl)ethylcarbamate
• 英文别名: tert-butyl N-[(1S)-1-(4-chloroquinazolin-2-yl)ethyl]carbamate
• CAS: 1312716-46-3
• 化学式: C₁₅H₁₈ClN₃O₂
• 分子量: 307.78
• InChiKey: GQGXGFJBFMCJOO-VIFPVBQESA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.7
• 重原子数：
  21
• 可旋转键数：
  4
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.4
• 拓扑面积：
  64.1
• 氢给体数：
  1
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  (S)-tert-butyl 1-(4-chloroquinazolin-2-yl)ethylcarbamate 在 nickel(II) chloride hexahydrate 、 四丁基碘化铵 、 三苯基膦 、 三氟乙酸 、 锌 作用下， 以 四氢呋喃 、 二氯甲烷 为溶剂， 反应 36.0h， 生成 (1S,1'S)-1,1'-(4,4'-biquinazoline-2,2'-diyl)diethanamine
  参考文献：
  名称：

  Synthesis and asymmetric catalytic activity of (1S,1′S)-4,4′-biquinazoline-based primary amines

  摘要：

  A series of (1S,1'S)-4,4'-biquinazoline-based primary amines were prepared from natural amino acids via a six-step reaction sequence of protection and condensation followed by key synthetic steps including chlorination, nickel(0)-mediated homocoupling, and deprotection. These novel amines were screened for the asymmetric ethylation of aryl aldehydes to yield alcohols with an (S)-configuration with enantiomeric excesses (ee) varying from 2% to 95%. (C) 2011 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tetasy.2011.01.009
• 作为产物：
  描述：

  (S)-tert-butyl 1-(4-oxo-3,4-dihydroquinazolin-2-yl)-ethylcarbamate 在 N,N-二乙基苯胺 、 三氯氧磷 作用下， 以 苯 为溶剂， 反应 0.5h， 以95%的产率得到(S)-tert-butyl 1-(4-chloroquinazolin-2-yl)ethylcarbamate
  参考文献：
  名称：

  Synthesis and asymmetric catalytic activity of (1S,1′S)-4,4′-biquinazoline-based primary amines

  摘要：

  A series of (1S,1'S)-4,4'-biquinazoline-based primary amines were prepared from natural amino acids via a six-step reaction sequence of protection and condensation followed by key synthetic steps including chlorination, nickel(0)-mediated homocoupling, and deprotection. These novel amines were screened for the asymmetric ethylation of aryl aldehydes to yield alcohols with an (S)-configuration with enantiomeric excesses (ee) varying from 2% to 95%. (C) 2011 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tetasy.2011.01.009

文献信息

• Asymmetric transfer hydrogenation of ketones by N,N-containing quinazoline-based ruthenium(II) complexes
  作者：Cigdem Kucukturkmen、Ahmet Agac、Aysel Eren、Idris Karakaya、Mehmet Aslantas、Omer Celik、Sabri Ulukanli、Semistan Karabuga

  DOI：10.1016/j.catcom.2015.11.013

  日期：2016.1

  Coordination with RuCl2(PPh3)dppb gave ruthenium(II) N-heterocyclic complexes 4b–d. The structure of complex 4b was fully illuminated by X-ray crystallography. The steric environment of these chiral ruthenium complexes 4b–d was evaluated in asymmetric transfer hydrogenation (ATH) of prochiral ketones in the presence of NaOiPr by using 2-propanol as the hydrogen source and solvent. The resultant catalytic

  从光学纯的氨基酸开始合成了一组新的基于喹唑啉的手性配体。与RuCl 2（PPh 3）dppb配位得到钌（II）N-杂环配合物4b–d。配合物4b的结构通过X射线晶体学被完全照亮。通过使用2-丙醇作为氢源和溶剂，在NaO i Pr存在的情况下，在手性酮的不对称转移氢化（ATH）中评估了这些手性钌配合物4b-d的空间环境。所得的催化体系可以实现非常好的对映选择性（高达91％）和高产率（高达99％）。