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Regioselective Mono and Homo/hetero Dihalogenation of the Benzothioxanthene Monoimide
preprintsubmitted on 18.02.2020, 14:55 and posted on 20.02.2020, 06:18 by Clement Dalinot, Pablo Simon Marques, Jose Maria Andrés Castán, Pierre Josse, Magali Allain, Laura Abad Galan, Cyrille Monnereau, Olivier MAURY, Philippe Blanchard, Clement Cabanetos
Through the preparation and characterization of five new derivatives, the regioselective mono and di, homo and hetero, halogenation of the benzothioxanthene (BTXI) core is demonstrated herein. All structurally solved by X-ray crystallography, these complementary functionalized building blocks open doors to the design of new symmetrical and asymmetrical π-conjugated systems based on this promising but still under-explored rylene.