波谱学杂志 ›› 2011, Vol. 28 ›› Issue (3): 383-389.

• 研究论文 • 上一篇    下一篇

Ga(OTf)3催化合成苯并二氮杂卓及其结构解析

王璐1*,潘向强2,蔡晶晶2,邹建平2   

  1. 1. 苏州大学 分析测试中心,江苏 苏州 215123; 
    2. 苏州大学 材料与化学化工学部,江苏省有机合成重点实验室,江苏 苏州 215123
  • 收稿日期:2010-12-07 修回日期:2011-01-19 出版日期:2011-09-05 发布日期:2011-09-05
  • 基金资助:

    国家自然科学基金资助项目(20772088).

Synthesis and Spectroscopic Characterization of a Novel 1, 5-Dibenzodiazepine Derivative

 WANG Lu1*, PAN Xiang-Qiang2, CAI Jing-Jing2, ZU Jian-Ping2   

  1. 1. Testing and Analysis Center, Soochow University, Suzhou 215123, China;
    2. Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
  • Received:2010-12-07 Revised:2011-01-19 Online:2011-09-05 Published:2011-09-05
  • Supported by:

    国家自然科学基金资助项目(20772088).

摘要:

以邻苯二胺和丙炔酸酯为原料,Ga(OTf)3催化一锅法合成了一类新型的1,5-苯并二氮杂卓衍生物,超声波辅助加快了反应的进行,该反应条件温和,反应时间短. 利用1H NMR、13C NMR 确定了该产物的结构,并通过DEPT、1H-1H COSY、HMQC、HMBC等2D NMR谱,对化合物的1H NMR和13C NMR数据进行了详细的归属,讨论了化合物的质谱裂解规律,进一步确证了该化合物的结构.

关键词: 核磁共振(NMR),  归属,  2D NMR, 飞行时间质谱,  , 1, 5-苯并二氮杂卓,  , Ga(OTf)3

Abstract:

Gallium (III) triflate-catalyzed reaction between o-phenylenediamine and ethyl propiolate under solvent-free and ultrasonic irradiation conditions produced a novel 1, 5-benzodiazepine derivative with a yield rate of 88%. Complete assignment of the 1H  and 13C NMR chemical shift of the compound was obtained using 2D NMR techniques, including DEPT, 1H-1H COSY, 1H-13C HMQC and 1H-13C HMBC. Mass fragmentation pathway was proposed based on the high resolution MS spectrum of the compound.

Key words: NMR, assignment, 2D NMR, TOF MS, 1, 5-benzodiazepine derivative, Ga(OTf)3

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