Pd‐Catalysed Direct Arylation of Distyrylbenzene: Strong Dual‐state Fluorescence and Electrochromism
Atul B. Nipate,
M. Rajeswara Rao
Abstract:Distyrylbenzenes (DSBs) are well‐known for their strong multicolour fluorescence. Fluorescence tuning of DSB via further functionalization/arylation, on the other hand, is uncommon. This paper reports a Pd‐catalysed direct arylation approach for introducing different aryl groups onto fluorobenzene‐containing DSB moiety (7) in high yields (67‐72%). The versatile methodology allows the substitution of neutral, electron‐deficient and electron‐rich aryl groups. The electron‐deficient aryls render mono‐substitution… Show more
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