New 8-substituted BODIPY-based chromophores: synthesis, optical and electrochemical properties
作者： Nikolay Vologdin , Sylvain Achelle , Sébastien Gauthier , Bertrand Caro , Françoise Robin-le Guen
DOI: 10.1515/HC-2016-0151
关键词:
摘要: BODIPY-based chromophores, in which an electron withdrawing difluoro-boraindacene fragment is connected via position 8 to different donor fragments, were synthesized. Their electrochemical and photophysical properties studied. All compounds exhibit a quasi-reversible oxidation corresponding the formation of BODIPY p-radical cation at around 0.8 V vs. FeCp2+/FeCp2 that slightly sensitive nature donating group. A reversible reduction observed - 1.6 anion. Cyclic voltammetry analysis gamma-methylenepyran substituted indicates redox bistable system with high bistability. In dichloromethane solution, chromophores intense absorption band 502 nm emission 516-528 range. significant quench case amino substituents.
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