Fully Functionalizable β,β'-BODIPY Dimer: Synthesis, Structure, and Photophysical Signatures
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Date
2018-08-16Author
Arroyo-Córdoba, Ismael J.
Sola Llano, Rebeca
Epelde Elezcano, Nerea
López Arbeloa, Iñigo María
Peña Cabrera, Eduardo
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The Journal of Organic Chemistry 83 : 10186-10196 (2018)
Abstract
The versatility in the synthesis of BODIPY derivatives in terms of
functionalization is further demonstrated. Particularly, in this work β−β’-BODIPY dimers
with varied functional groups in the meso-positions were synthetized in a very efficient
yields and short reaction times from a single platform. A photophysical study was carried in
all the compounds. The resultant dimers show absorption bands at around 600 nm as a
consequence of electronically coupled monomers disposed with a dihedral angle of around
30º, which is supported by theoretical simulations. The emission properties of these
molecules are distinguished by the appearance of an ICT state as the polarity of the solvent
increases.