(S)-2-(3,4-dimethoxyphenyl)-2,3-dihydroquinazolin-4(1H)-one | 1133972-38-9

• 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)-2-(3,4-dimethoxyphenyl)-2,3-dihydroquinazolin-4(1H)-one
• 英文别名: (2S)-2-(3,4-dimethoxyphenyl)-2,3-dihydro-1H-quinazolin-4-one
• CAS: 1133972-38-9
• 化学式: C₁₆H₁₆N₂O₃
• mdl: MFCD00087393
• 分子量: 284.315
• InChiKey: YZIVOOSZLQIMSY-HNNXBMFYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.5
• 重原子数：
  21
• 可旋转键数：
  3
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.19
• 拓扑面积：
  59.6
• 氢给体数：
  2
• 氢受体数：
  4

反应信息

• 作为产物：
  描述：

  3,4-二甲氧基苯甲醛 、 2-氨基苯甲酰胺 在 C₅₀H₅₄N₆O₂⁽²⁺⁾*2Br^(1-) 作用下， 以 甲醇 为溶剂， 以98%的产率得到(S)-2-(3,4-dimethoxyphenyl)-2,3-dihydroquinazolin-4(1H)-one
  参考文献：
  名称：

  通过手性有机催化剂催化的dihydroquinazolinone衍生物的对映选择性合成†

  摘要：

  实现了新型手性有机催化剂催化的2-氨基苯甲酰胺与醛类的不对称缩合/胺加成级联序列。发现有机催化剂对于这种在室温下的级联反应是非常有效的和高度对映选择性的，以优异的产率（高达99％）提供了2，3-二氢喹唑啉酮，对映体过量高达97％。对于具有邻位，对位或间位取代基的芳族/脂肪族醛，可获得最佳的立体控制水平。

  DOI：

  10.1039/c7nj00538e

文献信息

• Asymmetric Brønsted Acid Catalysis: Catalytic Enantioselective Synthesis of Highly Biologically Active Dihydroquinazolinones
  作者：Magnus Rueping、Andrey P. Antonchick、Erli Sugiono、Konstantin Grenader

  DOI：10.1002/anie.200804770

  日期：2009.1.19

  Surprisingly straightforward: A metal‐free, highly enantioselective Brønsted acid catalyzed condensation/addition reaction has been developed for the construction of 2,3‐dihydroquinazolinones starting from 2‐aminobenzamide and aldehydes (see scheme). This efficient approach provides 2,3‐dihydroquinazolinones with a strong preference for the S enantiomers, which have higher biological activities than

  出人意料的简单：已开发出一种无金属，高对映选择性的布朗斯台德酸催化的缩合/加成反应，用于从2-氨基苯甲酰胺和醛类化合物（见方案）开始构建2,3-二氢喹唑啉酮。这种有效的方法为2,3-二氢喹唑啉酮提供了对S对映异构体的强烈偏好，S对映异构体比R对映异构体具有更高的生物活性。
• Highly Enantioselective Synthesis of 2,3-Dihydroquinazolinones through Intramolecular Amidation of Imines
  作者：Muthuraj Prakash、Venkitasamy Kesavan

  DOI：10.1021/ol300518m

  日期：2012.4.6

  Enantioselective synthesis of 2,3-dihydroquinazolinones (DHOZs) was accomplished using readily available Sc(III)-inda-pybox as the catalyst. This is the first report on the metal catalyzed asymmetric intramolecular amidation of imines to synthesize DHQs.
• Investigation of the Enantioselective Synthesis of 2,3-Dihydroquinazolinones Using Sc(III)-inda-pybox
  作者：Venkitasamy Kesavan、Muthuraj Prakash、Samydurai Jayakumar

  DOI：10.1055/s-0033-1339288

  日期：——

  Derivatives of 2,3-dihydroquinazolinones (2,3-DHQZs) are prized for their prevalent pharmaceutical applications. Although there are potential applications, methods available for the enantioselective synthesis of these valuable compounds are scarce, since the chiral aminal center is prone to racemization. We have overcome the difficulties in the catalytic enantioselective synthesis of 2,3-DHQZs using Sc(III)-inda-pybox as a catalyst, in a process with a broad substrate scope.
• Enantioselective synthesis of dihydroquinazolinone derivatives catalyzed by a chiral organocatalyst
  作者：Siva Ayyanar、Ponmuthu Kottala Vijaya、Madhappan Mariyappan、Veeramanoharan Ashokkumar、Velu Sadhasivam、Sankar Balakrishnan、Chithiraikumar Chinnadurai、Sepperumal Murugesan

  DOI：10.1039/c7nj00538e

  日期：——

  2-aminobenzamide and aldehydes, catalyzed by a novel chiral organocatalyst, was realized. The organocatalyst was found to be very effective and highly enantioselective for such cascade reactions at room temperature, affording 2,3-dihydroquinazolinones in excellent yields (up to 99%) with enantiomeric excesses of up to 97%. The best level of stereocontrol was obtained for aromatic/aliphatic aldehydes with ortho

  实现了新型手性有机催化剂催化的2-氨基苯甲酰胺与醛类的不对称缩合/胺加成级联序列。发现有机催化剂对于这种在室温下的级联反应是非常有效的和高度对映选择性的，以优异的产率（高达99％）提供了2，3-二氢喹唑啉酮，对映体过量高达97％。对于具有邻位，对位或间位取代基的芳族/脂肪族醛，可获得最佳的立体控制水平。