Novel bis-(3-cyano-2-pyridones) derivatives: synthesis and fluorescent properties


Novel substituted bis-(3-cyano-2-pyridone) derivatives were prepared via a powerful method using enaminonitriles push-pull dienes as key building blocks. The synthesis was performed in three steps from easily accessible starting materials in good yields. All target products were structurally elucidated by spectroscopic data. The reaction mechanism for formation of bis (3-cyano-2-pyridone) derivatives was proposed. The structures of enaminonitriles 3a and bis-pyridones 4c were confirmed by single-crystal X-ray diffraction. The florescent study of some bis (3-cyano-2-pyridones) derivatives was reported. [GRAPHICS]



subject category

Chemistry, Multidisciplinary


Mehiaoui, N; Kibou, Z; Gallavardin, T; Leleu, S; Franck, X; Mendes, RF; Paz, FAA; Silva, AMS; Choukchou-Braham, N

our authors


The authors wish to thank Directorate General for Scientific Research and Technological Development (DGRSDT) and the University of Tlemcen for the financial support. A part of this work was developed within the scope of the projects CICECO-Aveiro Institute of Materials (FCT UID/CTM/50011/2019) and QOPNA (FCT UID/QUI/00062/2013) through national funds and, where applicable, co-financed by FEDER, within the PT2020 Partnership Agreement. RFM also gratefully acknowledges FCT for a Junior Research Position (CEECIND/00553/2017)

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