Synthesis of novel cross-conjugated dendritic fluorophores containing both phenylenevinylene and phenyleneethynylene moieties |
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Authors: | Díez-Barra Enrique García-Martínez Joaquín C Rodríguez-López Julián |
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Institution: | Facultad de Química, Universidad de Castilla-La Mancha, 13071-Ciudad Real, Spain. enrique.diez@uclm.es |
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Abstract: | New dendrons and dendrimers with dendritic arms composed of alternate phenyleneethynylene and phenylenevinylene moieties have been efficiently synthesized using orthogonal and convergent syntheses that combine Sonogashira and Horner-Wadsworth-Emmons reactions. Two different iterative routes have been developed that allow specific control over the placement of double and triple bonds within the interior of the dendrimers. A preliminary study of the UV and photoluminescence (PL) properties of the resulting compounds is also described. All of the examples prepared are blue-luminescent. |
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