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Título: | Liquid crystal organization of calix[4]arene-appended schiff bases and recognition towards Zn2+ |
Autor: | Marcos, Mercedes CSIC ORCID; Barberá, Joaquín CSIC ORCID; Blesa, María Jesús CSIC ORCID; Concellón, Alberto CSIC ORCID; Romero, Pilar CSIC ORCID ; Serrano, José Luis CSIC ORCID | Fecha de publicación: | 2017 | Citación: | Modern Trends in Dendrimer Chemistry and Applications (2017) | Resumen: | In the early eighties, Lin Lei proposed the concept of liquid crystals formed by bowl-like molecules. Thus, if calixarene cores (bowlic-like molecules) are functionalized with promesogenic units they could self-organize into bowlic liquid crystalline mesophases. Liquid crystal (LC) calixarenes represent an attractive option for the design of functional materials that combine the inherent properties of calixarenes with the anisotropic properties provided by the LC state, thus achieving the preparation of materials with a variety of new applications. Here we described the synthesis and mesomorphic properties of a new family of liquid crystals calix[4]arenes incorporating Schiff bases in the periphery that exhibit Smectic A or Nematic mesophase. XRD studies revealed interesting structural details concerning the packing of these compounds in their mesophases. On the basis of the experimental results, some supramolecular models have been proposed (Figure 1). The three calix[4]arene derivatives were subjected to metal complexation with different alkali, alkaline earth and transition metals, a novel and effective off-on-off type dihydrophosphate derivative chemosensor has been developed based on Zn-complexes. | Descripción: | Resumen del trabajo presentado a la International Conference Modern Trends in Dendrimer Chemistry and Applications, celebrada en Moscu (Rusia) del 1 al 4 de octubre de 2017. | URI: | http://hdl.handle.net/10261/183423 |
Aparece en las colecciones: | (ICMA) Comunicaciones congresos |
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