Synthesis and optical properties of new 2-(5-arylpyridine-2-yl)-6-(het)arylquinoline-based “push-pull” fluorophores

Add time:08/23/2019    Source:sciencedirect.com

2-(5-Arylpyridine-2-yl)-6-(het)arylquinoline-based “push-pull” fluorophores were synthesized by means of the heterocyclization reaction between the corresponding isonitrosoacetophenone hydrazones and 6-bromoquinoline-2-carboxaldehyde followed by an aza-Diels-Alder/Suzuki cross-coupling reaction sequence. The optical properties of the obtained fluorophores were studied and the non-linear optic behavior for the two most representative ones were confirmed based on the solvatochromic experiments.

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