Synthesis and Photophysical Properties of a Series of Pyrazine-Based Push-Pull Chromophores
作者:Kellyn Hoffert、Raphaël J. Durand、Sébastien Gauthier、Françoise Robin-le Guen、Sylvain Achelle
DOI:10.1002/ejoc.201601204
日期:2017.1.18
were obtained by Knoevenagel condensation and palladium-catalyzed cross-coupling reactions starting from commercially available 2-methyl- or 2-chloropyrazine. The optical absorption and emission properties of these chromophores were studied in different solvents. Some proved to be highly emissive and exhibit strong emission solvatochromism, which suggests a highly polar emitting state, characteristic