2-叠氮基-1,2-双(4-甲氧基苯基)乙酮 | 1221966-62-6

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 二苯乙烯类
• 中文名称: 2-叠氮基-1,2-双(4-甲氧基苯基)乙酮
• 英文名称: 2-azido-1,2-bis(4-methoxyphenyl)ethanone
• 英文别名: 2-Azido-1,2-bis(4-methoxyphenyl)ethanone
• CAS: 1221966-62-6
• 化学式: C₁₆H₁₅N₃O₃
• 分子量: 297.313
• InChiKey: YQJNXWXFQCEULX-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.3
• 重原子数：
  22
• 可旋转键数：
  6
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.19
• 拓扑面积：
  49.9
• 氢给体数：
  0
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  2-叠氮基-1,2-双(4-甲氧基苯基)乙酮 在 氧气 、 copper diacetate 、 potassium carbonate 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 60.0 ℃ 、101.33 kPa 条件下， 以81%的产率得到4-甲氧基苯甲腈
  参考文献：
  名称：

  Generation of Iminyl Copper Species from α-Azido Carbonyl Compounds and Their Catalytic C−C Bond Cleavage under an Oxygen Atmosphere

  摘要：

  A copper-catalyzed reaction of a-azidocarbonyl compounds under an oxygen atmosphere is reported where nitriles are formed via C C bond cleavage of a transient Iminyl copper intermediate. The transformation is carried out by a sequence of denitrogenative formation of iminyl copper species from alpha-azidocarbonyl compounds and their C C bond cleavage, where molecular oxygen (1 atm) is a prerequisite to achieve the catalytic process and one of the oxygen atoms of O-2 was found to be incorporated Into the beta-carbon fragment as a carboxylic acid.

  DOI：

  10.1021/ol100522z
• 作为产物：
  描述：

  脱氧茴香偶姻 在 叠氮基三甲基硅烷 、 copper diacetate 、 2,2′-双[(4S)-4-苄基-2-噁唑啉] 、 N-氟代双苯磺酰胺 作用下， 以 硝基甲烷 为溶剂， 反应 24.0h， 以62%的产率得到2-叠氮基-1,2-双(4-甲氧基苯基)乙酮
  参考文献：
  名称：

  Site-Selective Copper-Catalyzed Azidation of Benzylic C–H Bonds

  摘要：

  Site selectivity represents a key challenge for non-directed C-H functionalization, even when the C-H bond is intrinsically reactive. Here, we report a copper-catalyzed method for benzylic C-H azidation of diverse molecules. Experimental and density functional theory studies suggest the benzyl radical reacts with a Cu-II-azide species via a radical-polar crossover pathway. Comparison of this method with other C-H azidation methods highlights its unique site selectivity, and conversions of the benzyl azide products into amine, triazole, tetrazole, and pyrrole functional groups highlight the broad utility of this method for target molecule synthesis and medicinal chemistry.

  DOI：

  10.1021/jacs.0c05362

文献信息

• Indium(III) bromide catalyzed direct azidation of α-hydroxyketones using TMSN3
  作者：Anil Kumar、Ramesh K. Sharma、Tej V. Singh、Paloth Venugopalan

  DOI：10.1016/j.tet.2013.10.055

  日期：2013.12

  The direct catalytic azidation of 2-hydroxy-1,2,2-triarylethanones occurs at room temperature using 2 mol % of InBr3 as Lewis acid and TMSN3 as soluble azide source. 2-Azido-1,2,2-triarylethanones have been isolated in excellent yields. The role of aryl group and stereoelectronic factors indicate that the mechanism may involve the formation of a stable carbenium ion towards azidation. (C) 2013 Elsevier Ltd. All rights reserved.
• Site-Selective Copper-Catalyzed Azidation of Benzylic C–H Bonds
  作者：Sung-Eun Suh、Si-Jie Chen、Mukunda Mandal、Ilia A. Guzei、Christopher J. Cramer、Shannon S. Stahl

  DOI：10.1021/jacs.0c05362

  日期：2020.7.1

  Site selectivity represents a key challenge for non-directed C-H functionalization, even when the C-H bond is intrinsically reactive. Here, we report a copper-catalyzed method for benzylic C-H azidation of diverse molecules. Experimental and density functional theory studies suggest the benzyl radical reacts with a Cu-II-azide species via a radical-polar crossover pathway. Comparison of this method with other C-H azidation methods highlights its unique site selectivity, and conversions of the benzyl azide products into amine, triazole, tetrazole, and pyrrole functional groups highlight the broad utility of this method for target molecule synthesis and medicinal chemistry.
• Generation of Iminyl Copper Species from α-Azido Carbonyl Compounds and Their Catalytic C−C Bond Cleavage under an Oxygen Atmosphere
  作者：Shunsuke Chiba、Line Zhang、Gim Yean Ang、Benjamin Wei-Qiang Hui

  DOI：10.1021/ol100522z

  日期：2010.5.7

  A copper-catalyzed reaction of a-azidocarbonyl compounds under an oxygen atmosphere is reported where nitriles are formed via C C bond cleavage of a transient Iminyl copper intermediate. The transformation is carried out by a sequence of denitrogenative formation of iminyl copper species from alpha-azidocarbonyl compounds and their C C bond cleavage, where molecular oxygen (1 atm) is a prerequisite to achieve the catalytic process and one of the oxygen atoms of O-2 was found to be incorporated Into the beta-carbon fragment as a carboxylic acid.