Driving Triplet State Population in Benzothioxanthene Imide Dyes: Let's twist!

D Puchán Sánchez, P Josse, N Plassais… - … A European Journal, 2024 - Wiley Online Library
Controlling the formation of photoexcited triplet states is critical for many (photo) chemical
and physical applications. Here, we demonstrate that a permanent out‐of‐plane distortion of …

The how and why of naphthalimide/heterocycle-fused hybrid dyes: an overview of the latest developments in the quest for dyes with innovative optical properties

A Chevalier - Organic & Biomolecular Chemistry, 2023 - pubs.rsc.org
In this review, a variety of hybrid structures fusing aromatic heterocycles of different natures
to a naphthalimide backbone are discussed. This strategy constitutes an efficient approach …

Thiochromenocarbazole imide: a new organic dye with first utility in large area flexible electroluminescent devices

JMA Castán, C Amruth, P Josse, LA Galan… - Materials Chemistry …, 2022 - pubs.rsc.org
The N-annulation of a benzothioxanthene imide (BTI) derivative is demonstrated herein
affording the unprecedented thiochromenocarbazole imide (TCI). The impact of this …

Benzothioxanthene dicarboximide as a tuneable electrogenerated chemiluminescence dye

AL Dauphin, JM Andrés Castán, J Yu… - …, 2022 - Wiley Online Library
Overlooked for years, the promising benzothioxanthene dicarboximide (BTXI) structure is
nonetheless known to be an excellent fluorophore. As a further step towards the exploration …

Exploring the concept of dimerization-induced intersystem crossing: At the origins of spin–orbit coupling selection rules

LA Galán, JM Andrés Castán, C Dalinot… - The Journal of …, 2021 - ACS Publications
Singlet–triplet interconversions (intersystem crossing, ISC) in organic molecules are at the
basis of many important processes in cutting-edge photonic applications (organic light …

Revisiting the synthesis of the benzothioxanthene imide five decades later

P Josse, K Morice, DP Sanchez, T Ghanem… - New Journal of …, 2022 - pubs.rsc.org
With amazing optical and electrochemical properties, the benzothioxanthene imide, a sulfur
containing rylene, has only recently been demonstrated as a promising building block for …

Theoretical and experimental investigation on the intersystem crossing kinetics in benzothioxanthene imide luminophores, and their dependence on substituent …

LA Galán, JMA Castán, C Dalinot… - Physical Chemistry …, 2020 - pubs.rsc.org
In spite of their remarkable luminescence properties, benzothioxanthene imide (BTXI, an
imide containing rylene chromophores) derivatives have been largely overlooked compared …

Investigation of the K4[Fe(CN)6]-Mediated Mono- and Bis-Palladium-Catalyzed Cyanation of the Benzothioxanthene Core

P Simón Marqués, JM Andrés Castán… - The Journal of …, 2021 - ACS Publications
The pallado-catalyzed cyanation of benzothioxanthene imide (BTXI) derivatives is explored
herein. Once optimized on the monobromo BTXI, mild reaction conditions were successfully …

Indeno[1,2-b]thiophene End-capped Perylene Diimide: Should the 1,6-Regioisomers be systematically considered as a byproduct?

P Simón Marqués, F Tintori, JM Andrés Castán… - Scientific Reports, 2020 - nature.com
Usually considered as a byproduct, the 1, 6-dibrominated PDI has rarely been functionalized
for the preparation of electro-active conjugated molecules, particularly in the field of organic …

Regioselective Monohalogenation and Homo/Hetero Dihalogenation of Benzothioxanthene Monoimide

C Dalinot, P Simón Marqués… - European Journal of …, 2020 - Wiley Online Library
Through the preparation and characterization of five new derivatives, the regioselective
mono and di, homo and hetero, halogenation of the benzothioxanthene (BTXI) core is …