研究论文

6-甲氧基喹唑啉酮-吡啶二氟硼染料的合成及发光性能研究

  • 周佳 ,
  • 刘璐 ,
  • 钟成 ,
  • 傅杨 ,
  • 宋智彬 ,
  • 彭以元
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  • a 江西师范大学化学化工学院 功能有机小分子教育部重点实验室 南昌 330022;
    b 武汉大学化学与分子科学学院 武汉 430072

收稿日期: 2019-01-03

  修回日期: 2019-02-03

  网络出版日期: 2019-02-22

基金资助

国家自然科学基金(Nos.21606116,51873160)、江西省自然科学基金(No.20161BAB213070)和江西省教育厅科技(No.GJJ170176)资助项目.

Synthesis and Luminescent Properties of 6-Methoxy-quinazolinone-pyridine Difluoroboron Dyes

  • Zhou Jia ,
  • Liu Lu ,
  • Zhong Cheng ,
  • Fu Yang ,
  • Song Zhibin ,
  • Peng Yiyuan
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  • a Key Laboratory of Functional Small Organic Molecules, Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022;
    b College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072

Received date: 2019-01-03

  Revised date: 2019-02-03

  Online published: 2019-02-22

Supported by

Project supported by the National Natural Science Foundation of China (Nos. 21606116, 51873160), the Natural Science Foundations of Jiangxi Province (No. 20161BAB213070) and the Department of Education of Jiangxi Province (No. GJJ170176).

摘要

以5-甲氧基-2-氨基苯甲酰胺与2-甲基吡啶为原料,通过简单的两步反应合成了6-甲氧基喹唑啉酮-吡啶二氟硼化合物(BODIQPy).这种甲氧基取代的BODIQPy具有良好的溶液荧光和固态发光性质.通过甲氧基的引入,增强了BODIQPy的电荷转移特性,得到了超大斯托克斯位移.同时还讨论了5-位吡啶取代的卤素对BODIQPy发光性质的影响.

本文引用格式

周佳 , 刘璐 , 钟成 , 傅杨 , 宋智彬 , 彭以元 . 6-甲氧基喹唑啉酮-吡啶二氟硼染料的合成及发光性能研究[J]. 有机化学, 2019 , 39(5) : 1444 -1449 . DOI: 10.6023/cjoc201901003

Abstract

6-Methoxyquinazolinone-pyridine difluoroboron dyes (BODIQPys) have been synthesized in two simple steps with 2-amino-5-methoxybenzamide and 2-methylpyridines as starting materials. These quinazolinone-based difluoroboron (BF2) complexes exhibited highly efficient green luminescence and remarkable fluorescence in the solid-state with very large Stokes shift (Δλ up to 220 nm in MeCN). The introduction of methoxy group at 6-position of BODIQPy caused the red-shifted emission by the enhancement of charge transfer property. The introduction of halogen atom at pyridine moiety of BODIQPy can tune the LUMO levels in regularity while their HOMO levels remain intact.

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