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
Molina Ontoria, A., Garcia, R., Gouloumis, A., Giacalone, F., Torres, M.T., Martin, N. (2012). A Straightforward Electroactive π-Extended Tetrathiafulvalene (exTTF) Building Block. EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, 2012, 3581-3586 [10.1002/ejoc.201200115].
A Straightforward Electroactive π-Extended Tetrathiafulvalene (exTTF) Building Block
GIACALONE, Francesco;
2012-01-01
Abstract
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
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