Layer-block dendrimers with alternating thienylenevinylene and phenylenevinylene units |
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Authors: | Hadad Caroline García-Martínez Joaquín C Rodríguez-López Julián |
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Institution: | Facultad de Ciencias y Tecnologías Qu??micas, Universidad de Castilla-La Mancha, 13071 Ciudad Real, Spain. |
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Abstract: | A series of new hybrid, layer-block π-conjugated dendrons and dendrimers with alternating thienylenevinylene and phenylenevinylene units has been prepared by means of an orthogonal and convergent-growth methodology that made use of the Horner-Wadsworth-Emmons (HWE) reaction. The placement of the thiophene and benzene rings can be accurately controlled to afford a large variety of dendritic structures, although access to compounds of high generation proved difficult. The optical properties of the synthesized dendrimers were determined by UV/vis and fluorescence spectroscopy, and the influence of the generation and nature of the core on the behavior of these materials was evaluated. |
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