New luminescent extended linear dimer based on meso-tetrafluorenylporphyrins

Abstract : A series of porphyrin monomers bearing four n-butyl substituted fluorenyl donor groups is presented; successively, intermediate compounds 1 (TMS protected), 2 (possessing an acetylene group) and corresponding zinc complex 3 have been synthesized. Starting from these building blocks, new extended Dimer, with in totally 9 fluorenyl groups, has been obtained and fully characterized. For the first time two highly luminescent tetrafluorenylporphyrin units (TFP) are connected to form a linear geometry and in addition, a rigid 2,7-fluorenyl linker was selected to connect these building blocks. The luminescence properties were compared with TFP monomer, dimer and trimer described earlier by our group.
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Journal of Photochemistry and Photobiology A: Chemistry, Elsevier, 2017, 338, pp.96--103. 〈10.1016/j.jphotochem.2017.02.002〉
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D. Yao, X. Zhang, S. Abid, C.O. Paul-Roth. New luminescent extended linear dimer based on meso-tetrafluorenylporphyrins. Journal of Photochemistry and Photobiology A: Chemistry, Elsevier, 2017, 338, pp.96--103. 〈10.1016/j.jphotochem.2017.02.002〉. 〈hal-01515170〉

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