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oai:docta.ucm.es:20.500.14352/1150762025-01-21T00:47:22Zcom_20.500.14352_14col_20.500.14352_15

00925njm 22002777a 4500 dc Molina Ontoria, Agustín author García Cervilla, Raúl author Gouloumis, Andreas author Giacalone, Francesco author Torres, M. Rosario author Martín León, Nazario author 2012-05-22 The synthesis and X-ray structure of a new and readily available exTTF derivative (6) bearing a methyltriphenylphosphonium bromide moiety as a new building block for the construction of electroactive molecules is reported. The phosphonium salt 6, which was prepared in one step from 2-hydroxymethyl-exTTF as a stable yellow solid in 84 % yield, efficiently undergoes Wittig olefination reactions with a variety of aldehydes to predominantly form the E isomer. Electronic spectra and cyclic voltammetry of the novel compounds reveal the electronic communication between the electroactive units. 1434-193X 1099-0690 10.1002/ejoc.201200115 https://hdl.handle.net/20.500.14352/115076 https://doi.org/10.1002/ejoc.201200115 https://chemistry-europe.onlinelibrary.wiley.com/doi/full/10.1002/ejoc.201200115 A straightforward electroactive π‐extended tetrathiafulvalene (exTTF) building block