Synthesis and characterization of oxadisilole-fused 1H-benzo[f]indazoles and 1H-naphtho[2,3-f]indazoles
作者： Yajuan Zhang , Xuyan Ma , Yali Chen , Xuanming Chen , Lei Guo
关键词: Photochemistry 、 Chemistry 、 Aromatization 、 Fluorescence 、 Redox 、 Nitrile 、 Cyclic voltammetry 、 Deoxygenation 、 OLED 、 Medicinal chemistry 、 Cycloaddition
摘要: Oxadisilole-fused 1H-benzo[f]- and 1H-naphtho[2,3-f]indazoles have been synthesized by the 1,3-dipolar cycloaddition reactions of benzo- or naphtho-oxabicycloalkenes with nitrile imines generated in situ from N-arylhydrazonoyl chlorides followed deoxygenation aromatization. The photophysical, redox thermal properties these compounds characterized. Some indazoles show potential as deep-blue emitters for OLED applications a result their high fluorescence quantum yields good stabilities.
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