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Synthesis and Reactivity of 5‑Heterotruxenes Containing Sulfur or Nitrogen as the Heteroatom

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posted on 11.09.2019, 19:45 by Krzysztof Górski, Justyna Mech-Piskorz, Barbara Leśniewska, Oksana Pietraszkiewicz, Marek Pietraszkiewicz
This paper presents an alternative path for the synthesis of 5-thiatruxene and the synthetic approach for 5-azatruxene not known so far. A new method for 5-thiatruxene improves the overall reaction yield from 17.5 to 22.6%, diminishes the synthesis time and costs by reducing synthetic steps from 5 to 2, and simplifies the isolation of intermediate and final products. The overall reaction yield for 5-azatruxene is 32.4%. The typical reactivity of both aromatic systems is also demonstrated. Recent research results suggest the use of 5-thiatruxene as the acceptor subunit of soluble blue emitters.