Synthesis and luminescent properties of BF2 complexes with N,O-benzazine ligands

Add time:08/10/2019    Source:sciencedirect.com

In this study we present a synthesis of six-membered BF2complexes with N–B–O type linkage based on 2-(2-hydroxyphenyl)-4-phenylquinazolines and 2-(2-hydroxyphenyl)quinoxaline. The photophysical properties of compounds were studied by absorption and fluorescence spectroscopy and compared with parameters of earlier developed 2-(2-hydroxyphenyl)-3H-quinazolin-4-ones analogues. Some difluoroboron complexes were found to be highly emissive in the solid state. The nature of benzazine core as well as intermolecular interactions proved to have a significant influence on photophysical properties.

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