Emission of amino benzothiadiazoles is controllable and might be used for white solution emission, fluorescent chemosensors, and emitting materials in OLEDs.
A rhodium-catalyzed reaction between 3-diazoindolin-2-imines and 2H-azirines, followed by treatment with a base, furnishes 5H-pyrazino[2,3-b]indoles in excellent yields. A number of functional groups tolerate the reaction conditions, and the resulting 5H-pyrazino[2,3-b]indoles present strong photoluminecence in solutions, powders, and films.
Monocarbaborane was firstly derived to be an emissive compound for the investigation of the fluorescent structure–property relationship, and applied as a fluorescent chemosensor for silver detection as well as an optoelectronic material for white OLEDs.
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