Nitration of benzothioxanthene: towards a new class of dyes with versatile photophysical properties

JMA Castán, LA Galán, S Li, C Dalinot… - New Journal of …, 2020 - pubs.rsc.org
JMA Castán, LA Galán, S Li, C Dalinot, PS Marqués, M Allain, C Risko, C Monnereau
New Journal of Chemistry, 2020pubs.rsc.org
The selective mono-nitration of benzothioxanthane (BTXI) is demonstrated herein. This leap
opens doors to a wide range of chemical reactions since the nitro compound was
successfully reduced to a primary amine that was, in turn, converted into an azide. Beyond
this chemical achievement, this new series of functionalized BTXI was fully characterized,
including from a photophysical point of view, expanding the scope of this promising rylene to
build a new electroactive π-conjugated platform for electronic organic purposes.
The selective mono-nitration of benzothioxanthane (BTXI) is demonstrated herein. This leap opens doors to a wide range of chemical reactions since the nitro compound was successfully reduced to a primary amine that was, in turn, converted into an azide. Beyond this chemical achievement, this new series of functionalized BTXI was fully characterized, including from a photophysical point of view, expanding the scope of this promising rylene to build a new electroactive π-conjugated platform for electronic organic purposes.
The Royal Society of Chemistry
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